dvb-usb: bulk message failed: -71 (9/0) dvb-usb: bulk message failed: -71 (6/0) dvb-usb: bulk message failed: -71 (9/0) dvb-usb: bulk message failed: -71 (9/0) ------------[ cut here ]------------ WARNING: drivers/media/i2c/cx25840/cx25840-core.c:2313 at cx25840_init+0xb4/0x120 drivers/media/i2c/cx25840/cx25840-core.c:2313, CPU#0: kworker/0:2/877 Modules linked in: CPU: 0 UID: 0 PID: 877 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: usb_hub_wq hub_event pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : cx25840_init+0xb4/0x120 drivers/media/i2c/cx25840/cx25840-core.c:2313 lr : cx25840_init+0xb4/0x120 drivers/media/i2c/cx25840/cx25840-core.c:2313 sp : ffff800094476d00 x29: ffff800094476d10 x28: dfff800000000000 x27: ffff0000da9da000 x26: ffff800083900c44 x25: ffff800094476d80 x24: ffff8000873db990 x23: ffff0000d57b4088 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000d57b4088 x19: 00000000000ac8aa x18: 00000000ffffffff x17: 00000000ffff0000 x16: ffff000000000000 x15: ffff80008b4c2000 x14: ffff80008bcfa2b0 x13: 0000000000000001 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000000001 x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80008b6a7098 x4 : 0000000000000008 x3 : ffff800083900cb8 x2 : 0000000000000000 x1 : ffff0000c67d8000 x0 : 0000000000000000 Call trace: cx25840_init+0xb4/0x120 drivers/media/i2c/cx25840/cx25840-core.c:2313 (P) cxusb_medion_register_analog_subdevs drivers/media/usb/dvb-usb/cxusb-analog.c:1730 [inline] cxusb_medion_register_analog+0x29c/0xf08 drivers/media/usb/dvb-usb/cxusb-analog.c:1793 cxusb_probe+0x5c8/0x660 drivers/media/usb/dvb-usb/cxusb.c:1615 usb_probe_interface+0x374/0x834 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x29c/0x800 drivers/base/dd.c:706 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500 __device_attach+0x248/0x390 drivers/base/dd.c:1098 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153 bus_probe_device+0x58/0x120 drivers/base/bus.c:620 device_add+0x6cc/0x9e0 drivers/base/core.c:3776 usb_set_configuration+0x1184/0x158c drivers/usb/core/message.c:2274 usb_generic_driver_probe+0x8c/0x148 drivers/usb/core/generic.c:250 usb_probe_device+0x114/0x2b0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x29c/0x800 drivers/base/dd.c:706 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500 __device_attach+0x248/0x390 drivers/base/dd.c:1098 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153 bus_probe_device+0x58/0x120 drivers/base/bus.c:620 device_add+0x6cc/0x9e0 drivers/base/core.c:3776 usb_new_device+0x9c4/0x11f8 drivers/usb/core/hub.c:2713 hub_port_connect drivers/usb/core/hub.c:5585 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x1ef0/0x39fc drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 irq event stamp: 19322 hardirqs last enabled at (19321): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (19321): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (19322): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (19274): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (19272): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (19272): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 ---[ end trace 0000000000000000 ]--- tuner: 1-0061: Tuner -1 found with type(s) Radio TV. dvb-usb: bulk message failed: -71 (7/0) dvb-usb: bulk message failed: -71 (7/0) dvb-usb: bulk message failed: -71 (4/0) cxusb: i2c read failed tuner-simple 1-0061: unable to probe Philips FMD1216ME MK3 Hybrid Tuner, proceeding anyway. tuner-simple 1-0061: creating new instance tuner-simple 1-0061: type set to 63 (Philips FMD1216ME MK3 Hybrid Tuner) dvb-usb: bulk message failed: -71 (7/0) tuner-simple 1-0061: i2c i/o error: rc == -121 (should be 4) dvb-usb: bulk message failed: -71 (5/0) tda9887 1-0043: creating new instance tda9887 1-0043: tda988[5/6/7] found dvb-usb: bulk message failed: -71 (7/0) tda9887 1-0043: i2c i/o error: rc == -121 (should be 4) tuner: 1-0043: Tuner 74 found with type(s) Radio TV. usb 1-1: digital interface selection failed (-71) usb 1-1: setting power OFF dvb-usb: bulk message failed: -2 (2/0) usb 1-1: USB disconnect, device number 2 dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (6/0) dvb-usb: bulk message failed: -19 (9/0) dvb-usb: bulk message failed: -19 (9/0) tuner-simple 1-0061: destroying instance tda9887 1-0043: destroying instance dvb-usb: Medion MD95700 (MDUSBTV-HYBRID) successfully deinitialized and disconnected.