ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor3041084994 <...> Warning: Permanently added '10.128.0.40' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor3041084994", ["ci2-upstream-fs/syz-executor3041084994"], 0x7ffe1b56b750 /* 10 vars */) = 0 brk(NULL) = 0x55557c8ee000 brk(0x55557c8eed80) = 0x55557c8eed80 arch_prctl(ARCH_SET_FS, 0x55557c8ee400) = 0 set_tid_address(0x55557c8ee6d0) = 5606 set_robust_list(0x55557c8ee6e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor3041084994", 4096) = 44 getrandom("\x4d\xe6\x5b\x5b\xf7\x10\x51\xea", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557c8eed80 brk(0x55557c90fd80) = 0x55557c90fd80 brk(0x55557c910000) = 0x55557c910000 mprotect(0x7f8b1f144000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5607 attached , child_tidptr=0x55557c8ee6d0) = 5607 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5607] set_robust_list(0x55557c8ee6e0, 24) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5607] setpgid(0, 0) = 0 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5607] write(3, "1000", 4) = 4 [pid 5607] close(3) = 0 [pid 5607] write(1, "executing program\n", 18) = 18 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 executing program [pid 5607] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5607] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5608 attached => {parent_tid=[5608]}, 88) = 5608 [pid 5608] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [] [pid 5608] set_robust_list(0x7f8b1f0729a0, 24 [pid 5607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5608] <... set_robust_list resumed>) = 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [] [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5608] mkdirat(AT_FDCWD, "./sys", 0777 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... mkdirat resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5608] mount(NULL, "./sys", "sysfs", 0, NULL [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... mount resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = 0 [pid 5608] <... futex resumed>) = 1 [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] openat(AT_FDCWD, "./sys/module/md_mod/parameters/new_array", O_WRONLY [pid 5607] <... futex resumed>) = 0 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... openat resumed>) = 3 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] <... futex resumed>) = 0 [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5608] write(3, "md0\n", 4 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... write resumed>) = 4 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] <... futex resumed>) = 0 [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5608] openat(AT_FDCWD, "./sys/block/md0/md/level", O_WRONLY [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... openat resumed>) = 4 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5608] write(4, "raid1\n", 6 [ 99.944667][ T5608] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... write resumed>) = 6 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] openat(AT_FDCWD, "./sys/block/md0/md/raid_disks", O_WRONLY [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... openat resumed>) = 5 [pid 5607] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] write(5, "2\n", 2 [pid 5607] <... futex resumed>) = 0 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... write resumed>) = 2 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5608] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5608] openat(AT_FDCWD, "./sys/block/md0/md/new_dev", O_WRONLY [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... openat resumed>) = 6 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5608] write(6, "1:0\n", 4 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5607] futex(0x7f8b1f14ab9c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f031000 [pid 5608] <... write resumed>) = 4 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5607] mprotect(0x7f8b1f032000, 131072, PROT_READ|PROT_WRITE [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] <... mprotect resumed>) = 0 [pid 5607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f051990, parent_tid=0x7f8b1f051990, exit_signal=0, stack=0x7f8b1f031000, stack_size=0x202c0, tls=0x7f8b1f0516c0}ci2-upstream-fs/strace-static-x86_64: Process 5610 attached => {parent_tid=[5610]}, 88) = 5610 [pid 5607] rt_sigprocmask(SIG_SETMASK, [] [pid 5610] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5610] set_robust_list(0x7f8b1f0519a0, 24 [pid 5607] futex(0x7f8b1f14ab98, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5607] <... futex resumed>) = 0 [pid 5610] rt_sigprocmask(SIG_SETMASK, [] [pid 5607] futex(0x7f8b1f14ab9c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5610] openat(AT_FDCWD, "./sys/block/md0/md/dev-ram0/slot", O_WRONLY) = 7 [pid 5610] futex(0x7f8b1f14ab9c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5610] futex(0x7f8b1f14ab98, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5608] write(7, "0\n", 2 [pid 5607] <... futex resumed>) = 1 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... write resumed>) = 2 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5608] openat(AT_FDCWD, "./sys/block/md0/md/array_state", O_WRONLY [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... openat resumed>) = 8 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5607] <... futex resumed>) = 0 [pid 5608] write(8, "readonly\n", 9 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5607] futex(0x7f8b1f14ab98, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5610] write(8, "inactive\n", 9 [pid 5607] futex(0x7f8b1f14ab9c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... write resumed>) = 9 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5608] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5608] openat(AT_FDCWD, "./sys/block/md0/md/bitmap/location", O_WRONLY [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... openat resumed>) = 9 [pid 5608] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] <... futex resumed>) = 0 [pid 5608] write(9, "1\n", 2 [pid 5607] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 100.257537][ T5608] md/raid1:md0: active with 1 out of 2 mirrors [ 100.271938][ T5612] md_update_sb: can't update sb for read-only array md0 [ 100.354319][ T5608] [ 100.356710][ T5608] ====================================================== [ 100.363742][ T5608] WARNING: possible circular locking dependency detected [ 100.370862][ T5608] syzkaller #0 Not tainted [ 100.375284][ T5608] ------------------------------------------------------ [ 100.382299][ T5608] syz-executor304/5608 is trying to acquire lock: [ 100.388707][ T5608] ffff88803408c340 (&mddev->reconfig_mutex){+.+.}-{4:4}, at: location_store+0xc6/0xc80 [ 100.398399][ T5608] [ 100.398399][ T5608] but task is already holding lock: [ 100.405768][ T5608] ffff88803422f008 (kn->active#54){++++}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540 [ 100.415372][ T5608] [ 100.415372][ T5608] which lock already depends on the new lock. [ 100.415372][ T5608] [ 100.425812][ T5608] [ 100.425812][ T5608] the existing dependency chain (in reverse order) is: [ 100.434854][ T5608] [ 100.434854][ T5608] -> #1 (kn->active#54){++++}-{0:0}: [ 100.442365][ T5608] kernfs_drain+0x293/0x640 [ 100.447416][ T5608] __kernfs_remove+0x493/0x8e0 [ 100.452728][ T5608] kernfs_remove_by_name_ns+0xc0/0x140 [ 100.458737][ T5608] sysfs_remove_group+0x101/0x2e0 [ 100.464306][ T5608] __md_stop+0x22a/0x3a0 [ 100.469097][ T5608] do_md_stop+0x2e2/0x1150 [ 100.474052][ T5608] array_state_store+0x802/0xe90 [ 100.479543][ T5608] md_attr_store+0x3b7/0x640 [ 100.484762][ T5608] kernfs_fop_write_iter+0x3a5/0x540 [ 100.490593][ T5608] vfs_write+0x61e/0xbb0 [ 100.495371][ T5608] ksys_write+0x156/0x270 [ 100.500248][ T5608] do_syscall_64+0x166/0x520 [ 100.505397][ T5608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.511829][ T5608] [ 100.511829][ T5608] -> #0 (&mddev->reconfig_mutex){+.+.}-{4:4}: [ 100.520106][ T5608] __lock_acquire+0x164c/0x2de0 [ 100.525502][ T5608] lock_acquire+0x115/0x350 [ 100.530549][ T5608] mutex_lock_interruptible_nested+0x5a/0x1d0 [ 100.537153][ T5608] location_store+0xc6/0xc80 [ 100.542305][ T5608] md_attr_store+0x3b7/0x640 [ 100.547439][ T5608] kernfs_fop_write_iter+0x3a5/0x540 [ 100.553272][ T5608] vfs_write+0x61e/0xbb0 [ 100.558054][ T5608] ksys_write+0x156/0x270 [ 100.562924][ T5608] do_syscall_64+0x166/0x520 [ 100.568055][ T5608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.574482][ T5608] [ 100.574482][ T5608] other info that might help us debug this: [ 100.574482][ T5608] [ 100.584740][ T5608] Possible unsafe locking scenario: [ 100.584740][ T5608] [ 100.592204][ T5608] CPU0 CPU1 [ 100.597580][ T5608] ---- ---- [ 100.602962][ T5608] rlock(kn->active#54); [ 100.607318][ T5608] lock(&mddev->reconfig_mutex); [ 100.614878][ T5608] lock(kn->active#54); [ 100.621662][ T5608] lock(&mddev->reconfig_mutex); [ 100.626700][ T5608] [ 100.626700][ T5608] *** DEADLOCK *** [ 100.626700][ T5608] [ 100.634859][ T5608] locks held by syz-executor304/5608: 4, last CPU#1: [ 100.641545][ T5608] #0: ffff888011699d28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 100.650625][ T5608] #1: ffff8880369ec510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 100.659533][ T5608] #2: ffff8880341f2478 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540 [ 100.669317][ T5608] #3: ffff88803422f008 (kn->active#54){++++}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540 [ 100.679385][ T5608] [ 100.679385][ T5608] stack backtrace: [ 100.685302][ T5608] CPU: 1 UID: 0 PID: 5608 Comm: syz-executor304 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 100.695563][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 100.705670][ T5608] Call Trace: [ 100.708971][ T5608] [ 100.711915][ T5608] dump_stack_lvl+0xe8/0x150 [ 100.716562][ T5608] print_circular_bug+0x2e2/0x300 [ 100.721878][ T5608] check_noncircular+0x12f/0x150 [ 100.726853][ T5608] __lock_acquire+0x164c/0x2de0 [ 100.731738][ T5608] ? mddev_suspend+0x5f4/0x6f0 [ 100.736544][ T5608] lock_acquire+0x115/0x350 [ 100.741074][ T5608] ? location_store+0xc6/0xc80 [ 100.745876][ T5608] ? location_store+0xc6/0xc80 [ 100.750664][ T5608] ? location_store+0xc6/0xc80 [ 100.755465][ T5608] mutex_lock_interruptible_nested+0x5a/0x1d0 [ 100.761562][ T5608] ? location_store+0xc6/0xc80 [ 100.766540][ T5608] location_store+0xc6/0xc80 [ 100.771152][ T5608] ? __pfx_location_store+0x10/0x10 [ 100.776375][ T5608] ? rt_spin_unlock+0x159/0x200 [ 100.781246][ T5608] ? rt_spin_unlock+0x165/0x200 [ 100.786112][ T5608] md_attr_store+0x3b7/0x640 [ 100.790725][ T5608] ? __pfx_sysfs_kf_write+0x10/0x10 [ 100.795954][ T5608] kernfs_fop_write_iter+0x3a5/0x540 [ 100.801266][ T5608] vfs_write+0x61e/0xbb0 [ 100.805529][ T5608] ? __pfx_vfs_write+0x10/0x10 [ 100.810314][ T5608] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 100.816176][ T5608] ? mutex_lock_nested+0x152/0x1d0 [ 100.821306][ T5608] ? fdget_pos+0x252/0x320 [ 100.825741][ T5608] ksys_write+0x156/0x270 [ 100.830091][ T5608] ? __pfx_ksys_write+0x10/0x10 [ 100.834967][ T5608] do_syscall_64+0x166/0x520 [ 100.839590][ T5608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.845674][ T5608] ? clear_bhb_loop+0x70/0xc0 [ 100.850385][ T5608] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.856298][ T5608] RIP: 0033:0x7f8b1f09a369 [ 100.860756][ T5608] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 100.880690][ T5608] RSP: 002b:00007f8b1f0721d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.889144][ T5608] RAX: ffffffffffffffda RBX: 00007f8b1f14ab88 RCX: 00007f8b1f09a369 [ 100.897137][ T5608] RDX: 0000000000000002 RSI: 0000200000000600 RDI: 0000000000000009 [pid 5607] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 100.905161][ T5608] RBP: 00007f8b1f14ab80 R08: 35203a6b63617473 R09: 35203a6b63617473 [ 100.913154][ T5608] R10: 35203a6b63617473 R11: 0000000000000246 R12: 00007f8b1f11c378 [ 100.921172][ T5608] R13: 00002000000005c0 R14: 0000200000000580 R15: 0000200000000600 [ 100.929182][ T5608] [pid 5607] exit_group(0 [pid 5608] <... write resumed>) = ? [pid 5607] <... exit_group resumed>) = ? [pid 5608] +++ exited with 0 +++ [pid 5610] <... write resumed>) = ? [pid 5610] +++ exited with 0 +++ [pid 5607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5613 attached [pid 5613] set_robust_list(0x55557c8ee6e0, 24 [pid 5606] <... clone resumed>, child_tidptr=0x55557c8ee6d0) = 5613 [pid 5613] <... set_robust_list resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [] [pid 5613] rt_sigprocmask(SIG_SETMASK, [] [pid 5606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5613] setpgid(0, 0) = 0 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5613] write(3, "1000", 4) = 4 [pid 5613] close(3) = 0 [pid 5613] write(1, "executing program\n", 18) = 18 executing program [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5613] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5614 attached [pid 5614] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5613] <... clone3 resumed> => {parent_tid=[5614]}, 88) = 5614 [pid 5614] <... rseq resumed>) = 0 [pid 5613] rt_sigprocmask(SIG_SETMASK, [] [pid 5614] set_robust_list(0x7f8b1f0729a0, 24 [pid 5613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5614] <... set_robust_list resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5614] mkdirat(AT_FDCWD, "./sys", 0777 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = 0 [pid 5614] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] openat(AT_FDCWD, "./sys/module/md_mod/parameters/new_array", O_WRONLY [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... openat resumed>) = 3 [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = 0 [pid 5614] write(3, "md0\n", 4 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... write resumed>) = -1 EEXIST (File exists) [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] openat(AT_FDCWD, "./sys/block/md0/md/level", O_WRONLY [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... openat resumed>) = 4 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... futex resumed>) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] write(4, "raid1\n", 6 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 5614] <... write resumed>) = 6 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5614] openat(AT_FDCWD, "./sys/block/md0/md/raid_disks", O_WRONLY [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... openat resumed>) = 5 [ 101.157952][ T5614] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] write(5, "2\n", 2 [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... write resumed>) = 2 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] openat(AT_FDCWD, "./sys/block/md0/md/new_dev", O_WRONLY [pid 5613] <... futex resumed>) = 0 [pid 5614] <... openat resumed>) = 6 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] write(6, "1:0\n", 4 [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... write resumed>) = -1 EBUSY (Device or resource busy) [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = 0 [pid 5614] openat(AT_FDCWD, "./sys/block/md0/md/dev-ram0/slot", O_WRONLY [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... openat resumed>) = 7 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] write(7, "0\n", 2) = 2 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] openat(AT_FDCWD, "./sys/block/md0/md/array_state", O_WRONLY [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... openat resumed>) = 8 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... futex resumed>) = 0 [pid 5614] write(8, "readonly\n", 9 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... write resumed>) = 9 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 101.313170][ T5614] md: could not open device unknown-block(1,0). [pid 5614] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] write(8, "inactive\n", 9) = 9 [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] <... futex resumed>) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] openat(AT_FDCWD, "./sys/block/md0/md/bitmap/location", O_WRONLY [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5613] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] write(-1, "1\n", 2) = -1 EBADF (Bad file descriptor) [pid 5614] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5614] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] exit_group(0 [pid 5614] <... futex resumed>) = ? [pid 5613] <... exit_group resumed>) = ? [pid 5614] +++ exited with 0 +++ [pid 5613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5617 attached , child_tidptr=0x55557c8ee6d0) = 5617 [ 101.380143][ T5614] md/raid1:md0: active with 1 out of 2 mirrors [ 101.380478][ T5614] md_update_sb: can't update sb for read-only array md0 [ 101.381291][ T5616] md_update_sb: can't update sb for read-only array md0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5617] set_robust_list(0x55557c8ee6e0, 24) = 0 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5617] setpgid(0, 0) = 0 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5617] write(3, "1000", 4) = 4 [pid 5617] close(3) = 0 [pid 5617] write(1, "executing program\n", 18) = 18 executing program [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5617] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5618 attached => {parent_tid=[5618]}, 88) = 5618 [pid 5618] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5617] rt_sigprocmask(SIG_SETMASK, [] [pid 5618] <... rseq resumed>) = 0 [pid 5617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5618] set_robust_list(0x7f8b1f0729a0, 24 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... set_robust_list resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [] [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5618] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists) [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5618] mount(NULL, "./sys", "sysfs", 0, NULL [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] openat(AT_FDCWD, "./sys/module/md_mod/parameters/new_array", O_WRONLY [pid 5617] <... futex resumed>) = 0 [pid 5618] <... openat resumed>) = 3 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] write(3, "md0\n", 4 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... write resumed>) = -1 EEXIST (File exists) [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5618] openat(AT_FDCWD, "./sys/block/md0/md/level", O_WRONLY [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... openat resumed>) = 4 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] write(4, "raid1\n", 6 [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... write resumed>) = 6 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5618] openat(AT_FDCWD, "./sys/block/md0/md/raid_disks", O_WRONLY [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... openat resumed>) = 5 [ 101.481683][ T5618] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5618] write(5, "2\n", 2 [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... write resumed>) = 2 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5618] openat(AT_FDCWD, "./sys/block/md0/md/new_dev", O_WRONLY [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... openat resumed>) = 6 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5618] write(6, "1:0\n", 4 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... write resumed>) = -1 EBUSY (Device or resource busy) [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5618] openat(AT_FDCWD, "./sys/block/md0/md/dev-ram0/slot", O_WRONLY [pid 5617] <... futex resumed>) = 1 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... openat resumed>) = 7 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] write(7, "0\n", 2 [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... write resumed>) = 2 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] openat(AT_FDCWD, "./sys/block/md0/md/array_state", O_WRONLY) = 8 [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] write(8, "readonly\n", 9 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... write resumed>) = 9 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5618] write(8, "inactive\n", 9 [ 101.643034][ T5618] md: could not open device unknown-block(1,0). [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... write resumed>) = 9 [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5618] openat(AT_FDCWD, "./sys/block/md0/md/bitmap/location", O_WRONLY [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 1 [pid 5618] write(-1, "1\n", 2) = -1 EBADF (Bad file descriptor) [pid 5617] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] exit_group(0 [pid 5618] <... futex resumed>) = ? [pid 5617] <... exit_group resumed>) = ? [pid 5618] +++ exited with 0 +++ [pid 5617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5621 attached [pid 5621] set_robust_list(0x55557c8ee6e0, 24 [pid 5606] <... clone resumed>, child_tidptr=0x55557c8ee6d0) = 5621 [pid 5621] <... set_robust_list resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5621] setpgid(0, 0) = 0 [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5621] write(3, "1000", 4) = 4 [pid 5621] close(3) = 0 executing program [pid 5621] write(1, "executing program\n", 18) = 18 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5621] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5622 attached [ 101.699204][ T5618] md/raid1:md0: active with 1 out of 2 mirrors [ 101.699540][ T5618] md_update_sb: can't update sb for read-only array md0 [ 101.701785][ T5620] md_update_sb: can't update sb for read-only array md0 [pid 5622] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5621] <... clone3 resumed> => {parent_tid=[5622]}, 88) = 5622 [pid 5622] <... rseq resumed>) = 0 [pid 5622] set_robust_list(0x7f8b1f0729a0, 24 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... set_robust_list resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] mkdirat(AT_FDCWD, "./sys", 0777 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] openat(AT_FDCWD, "./sys/module/md_mod/parameters/new_array", O_WRONLY) = 3 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] write(3, "md0\n", 4 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... write resumed>) = -1 EEXIST (File exists) [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./sys/block/md0/md/level", O_WRONLY [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... openat resumed>) = 4 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] write(4, "raid1\n", 6 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... write resumed>) = 6 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] openat(AT_FDCWD, "./sys/block/md0/md/raid_disks", O_WRONLY [pid 5621] <... futex resumed>) = 0 [pid 5622] <... openat resumed>) = 5 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] write(5, "2\n", 2 [ 101.796415][ T5622] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... write resumed>) = 2 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./sys/block/md0/md/new_dev", O_WRONLY [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... openat resumed>) = 6 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5622] write(6, "1:0\n", 4 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... write resumed>) = -1 EBUSY (Device or resource busy) [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./sys/block/md0/md/dev-ram0/slot", O_WRONLY [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... openat resumed>) = 7 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] write(7, "0\n", 2) = 2 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./sys/block/md0/md/array_state", O_WRONLY [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... openat resumed>) = 8 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = 1 [pid 5622] write(8, "readonly\n", 9 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... write resumed>) = 9 [ 101.923024][ T5622] md: could not open device unknown-block(1,0). [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5622] write(8, "inactive\n", 9 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... write resumed>) = 9 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./sys/block/md0/md/bitmap/location", O_WRONLY [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] <... futex resumed>) = 0 [pid 5621] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] write(-1, "1\n", 2 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] exit_group(0) = ? [pid 5622] <... futex resumed>) = ? [pid 5622] +++ exited with 0 +++ [pid 5621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c8ee6d0) = 5625 rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 5625 attached , NULL, 8) = 0 [pid 5625] set_robust_list(0x55557c8ee6e0, 24) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5625] setpgid(0, 0) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5625] write(3, "1000", 4) = 4 [pid 5625] close(3) = 0 [ 101.979144][ T5622] md/raid1:md0: active with 1 out of 2 mirrors [ 101.979484][ T5622] md_update_sb: can't update sb for read-only array md0 [ 101.980288][ T5624] md_update_sb: can't update sb for read-only array md0 [pid 5625] write(1, "executing program\n", 18) = 18 executing program [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5625] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5626 attached [pid 5626] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5626] set_robust_list(0x7f8b1f0729a0, 24) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... clone3 resumed> => {parent_tid=[5626]}, 88) = 5626 [pid 5626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 1 [pid 5626] mkdirat(AT_FDCWD, "./sys", 0777 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 1 [pid 5626] mount(NULL, "./sys", "sysfs", 0, NULL [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] openat(AT_FDCWD, "./sys/module/md_mod/parameters/new_array", O_WRONLY [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 3 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... futex resumed>) = 0 [pid 5626] write(3, "md0\n", 4) = -1 EEXIST (File exists) [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./sys/block/md0/md/level", O_WRONLY [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 4 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] write(4, "raid1\n", 6 [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... write resumed>) = 6 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./sys/block/md0/md/raid_disks", O_WRONLY [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 5 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5626] write(5, "2\n", 2 [ 102.088720][ T5626] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... write resumed>) = 2 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./sys/block/md0/md/new_dev", O_WRONLY [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 6 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] write(6, "1:0\n", 4 [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... write resumed>) = -1 EBUSY (Device or resource busy) [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./sys/block/md0/md/dev-ram0/slot", O_WRONLY [pid 5625] <... futex resumed>) = 1 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 7 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5626] write(7, "0\n", 2 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... write resumed>) = 2 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] openat(AT_FDCWD, "./sys/block/md0/md/array_state", O_WRONLY [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... openat resumed>) = 8 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] write(8, "readonly\n", 9) = 9 [ 102.233064][ T5626] md: could not open device unknown-block(1,0). [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] write(8, "inactive\n", 9 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... write resumed>) = 9 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] openat(AT_FDCWD, "./sys/block/md0/md/bitmap/location", O_WRONLY [pid 5625] <... futex resumed>) = 0 [pid 5626] <... openat resumed>) = -1 ENOENT (No such file or directory) [ 102.291277][ T5626] md/raid1:md0: active with 1 out of 2 mirrors [ 102.291618][ T5626] md_update_sb: can't update sb for read-only array md0 [ 102.293329][ T5628] md_update_sb: can't update sb for read-only array md0 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5626] write(-1, "1\n", 2 [pid 5625] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... futex resumed>) = 0 [pid 5626] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] exit_group(0 [pid 5626] <... futex resumed>) = ? [pid 5625] <... exit_group resumed>) = ? [pid 5626] +++ exited with 0 +++ [pid 5625] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5629 attached , child_tidptr=0x55557c8ee6d0) = 5629 [pid 5606] rt_sigprocmask(SIG_SETMASK, [] [pid 5629] set_robust_list(0x55557c8ee6e0, 24 [pid 5606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5629] <... set_robust_list resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5629] setpgid(0, 0) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5629] write(3, "1000", 4) = 4 [pid 5629] close(3) = 0 [pid 5629] write(1, "executing program\n", 18) = 18 executing program [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5629] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5630 attached [pid 5630] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5629] <... clone3 resumed> => {parent_tid=[5630]}, 88) = 5630 [pid 5630] <... rseq resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] set_robust_list(0x7f8b1f0729a0, 24 [pid 5629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] rt_sigprocmask(SIG_SETMASK, [] [pid 5629] <... futex resumed>) = 0 [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists) [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] mount(NULL, "./sys", "sysfs", 0, NULL [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] openat(AT_FDCWD, "./sys/module/md_mod/parameters/new_array", O_WRONLY [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... openat resumed>) = 3 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] <... futex resumed>) = 0 [pid 5630] write(3, "md0\n", 4 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... write resumed>) = -1 EEXIST (File exists) [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] openat(AT_FDCWD, "./sys/block/md0/md/level", O_WRONLY) = 4 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] <... futex resumed>) = 0 [pid 5630] write(4, "raid1\n", 6 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... write resumed>) = 6 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = 0 [pid 5629] <... futex resumed>) = 1 [pid 5630] openat(AT_FDCWD, "./sys/block/md0/md/raid_disks", O_WRONLY [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... openat resumed>) = 5 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] write(5, "2\n", 2 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 102.419262][ T5630] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... write resumed>) = 2 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] <... futex resumed>) = 0 [pid 5630] openat(AT_FDCWD, "./sys/block/md0/md/new_dev", O_WRONLY [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... openat resumed>) = 6 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] write(6, "1:0\n", 4 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... write resumed>) = -1 EBUSY (Device or resource busy) [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] <... futex resumed>) = 0 [pid 5630] openat(AT_FDCWD, "./sys/block/md0/md/dev-ram0/slot", O_WRONLY) = 7 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] write(7, "0\n", 2 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] <... write resumed>) = 2 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] openat(AT_FDCWD, "./sys/block/md0/md/array_state", O_WRONLY [pid 5629] <... futex resumed>) = 0 [pid 5630] <... openat resumed>) = 8 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] write(8, "readonly\n", 9 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... write resumed>) = 9 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 102.563017][ T5630] md: could not open device unknown-block(1,0). [pid 5630] write(8, "inactive\n", 9) = 9 [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... futex resumed>) = 1 [pid 5630] openat(AT_FDCWD, "./sys/block/md0/md/bitmap/location", O_WRONLY) = -1 ENOENT (No such file or directory) [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7f8b1f14ab88, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5629] futex(0x7f8b1f14ab8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] write(-1, "1\n", 2) = -1 EBADF (Bad file descriptor) [pid 5630] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5630] futex(0x7f8b1f14ab88, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5629] exit_group(0 [pid 5630] <... futex resumed>) = ? [pid 5629] <... exit_group resumed>) = ? [pid 5630] +++ exited with 0 +++ [pid 5629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5633 attached , child_tidptr=0x55557c8ee6d0) = 5633 [pid 5633] set_robust_list(0x55557c8ee6e0, 24 [pid 5606] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] <... set_robust_list resumed>) = 0 [pid 5606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 102.616952][ T5630] md/raid1:md0: active with 1 out of 2 mirrors [ 102.617284][ T5630] md_update_sb: can't update sb for read-only array md0 [pid 5633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5633] setpgid(0, 0) = 0 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5633] write(3, "1000", 4) = 4 [pid 5633] close(3) = 0 [pid 5633] write(1, "executing program\n", 18) = 18 executing program [pid 5633] futex(0x7f8b1f14ab8c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] rt_sigaction(SIGRT_1, {sa_handler=0x7f8b1f0ad250, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8b1f09f520}, NULL, 8) = 0 [pid 5633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8b1f052000 [pid 5633] mprotect(0x7f8b1f053000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8b1f072990, parent_tid=0x7f8b1f072990, exit_signal=0, stack=0x7f8b1f052000, stack_size=0x202c0, tls=0x7f8b1f0726c0}ci2-upstream-fs/strace-static-x86_64: Process 5634 attached [pid 5634] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053