rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P13/1:b..l.. P4948/1:b..l..
rcu: (detected by 0, t=10502 jiffies, g=24013, q=1298 ncpus=1)
task:jbd2/sda1-8 state:R running task stack:25656 pid:4948 tgid:4948 ppid:2 task_flags:0x240040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5583 [inline]
__schedule+0x125e/0x6990 kernel/sched/core.c:7382
preempt_schedule_notrace+0x57/0xd0 kernel/sched/core.c:7633
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x90/0xc0 kernel/rcu/tree.c:754
trace_lock_release include/trace/events/lock.h:68 [inline]
lock_release+0x24d/0x310 kernel/locking/lockdep.c:5954
rcu_lock_release include/linux/rcupdate.h:319 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0x3c3/0x2090 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x162/0x1e0 mm/page_owner.c:183
__reset_page_owner+0x85/0x230 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1403 [inline]
__free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2954
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:361
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4720 [inline]
slab_alloc_node mm/slub.c:5033 [inline]
kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5047
alloc_buffer_head+0x21/0x140 fs/buffer.c:2873
jbd2_journal_write_metadata_buffer+0xc0/0xda0 fs/jbd2/journal.c:345
jbd2_journal_commit_transaction+0x12db/0x6880 fs/jbd2/commit.c:689
kjournald2+0x200/0x750 fs/jbd2/journal.c:200
kthread+0x373/0x450 kernel/kthread.c:436
ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/u8:1 state:R running task stack:24456 pid:13 tgid:13 ppid:2 task_flags:0x4208160 flags:0x00080000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5583 [inline]
__schedule+0x125e/0x6990 kernel/sched/core.c:7382
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7662
irqentry_exit_cond_resched arch/x86/include/asm/fred.h:105 [inline]
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:453 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
irqentry_exit+0x33f/0xab0 kernel/entry/common.c:154
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:850 [inline]
RIP: 0010:class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
RIP: 0010:unwind_next_frame+0xd1/0x2090 arch/x86/kernel/unwind_orc.c:495
Code: 24 10 e8 22 8d 36 00 31 d2 45 31 c9 45 31 c0 48 8d 05 00 00 00 00 50 b9 02 00 00 00 31 f6 48 c7 c7 60 af fe 8f e8 5f f3 2d 00 3a d7 32 0a 5a 85 c0 0f 85 16 06 00 00 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc900001277e8 EFLAGS: 00000292
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000200
RDX: 0000000000000000 RSI: ffffffff8e60120c RDI: ffffffff8c835380
RBP: ffffc900001278f8 R08: 00000000b6d40db6 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000001 R12: fffff52000024f18
R13: ffffc900001278b0 R14: ffffc900001278b0 R15: ffffc900001278b8
__unwind_start+0x3cd/0x7e0 arch/x86/kernel/unwind_orc.c:787
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x73/0xf0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x162/0x1e0 mm/page_owner.c:183
__reset_page_owner+0x85/0x230 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1403 [inline]
__free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2954
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:417
kasan_kmalloc include/linux/kasan.h:263 [inline]
__kmalloc_cache_node_noprof+0x30c/0x710 mm/slub.c:5699
_kmalloc_node_noprof include/linux/slab.h:1196 [inline]
alloc_worker kernel/workqueue.c:2853 [inline]
create_worker+0x110/0x750 kernel/workqueue.c:2996
maybe_create_worker kernel/workqueue.c:3276 [inline]
manage_workers kernel/workqueue.c:3362 [inline]
worker_thread+0x8e2/0xe50 kernel/workqueue.c:3634
kthread+0x373/0x450 kernel/kthread.c:436
ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245