INFO: task udevd:5368 blocked for more than 142 seconds.
Not tainted 6.9.0-rc7-next-20240510-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:24240 pid:5368 tgid:5368 ppid:4545 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
btrfs_control_ioctl+0x150/0x3e0 fs/btrfs/super.c:2225
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa02191ad49
RSP: 002b:00007ffe9119e018 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa02191ad49
RDX: 00007ffe9119e028 RSI: 0000000090009427 RDI: 0000000000000009
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9119f068 R14: 00005595daee1d00 R15: 00007ffe9119fd88
INFO: task syz-executor.4:7613 blocked for more than 143 seconds.
Not tainted 6.9.0-rc7-next-20240510-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D
stack:24560 pid:7613 tgid:7612 ppid:7086 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xaa9/0xd00 kernel/workqueue.c:4211
__lru_add_drain_all+0x504/0x570 mm/swap.c:902
invalidate_bdev+0x76/0xa0 block/bdev.c:100
btrfs_get_bdev_and_sb+0x11a/0x1c0 fs/btrfs/volumes.c:492
btrfs_open_one_device fs/btrfs/volumes.c:657 [inline]
open_fs_devices+0x2b4/0x1290 fs/btrfs/volumes.c:1196
btrfs_get_tree_super fs/btrfs/super.c:1818 [inline]
btrfs_get_tree+0x504/0x1920 fs/btrfs/super.c:2081
vfs_get_tree+0x90/0x2a0 fs/super.c:1780
fc_mount+0x1b/0xb0 fs/namespace.c:1125
btrfs_get_tree_subvol fs/btrfs/super.c:2044 [inline]
btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2082
vfs_get_tree+0x90/0x2a0 fs/super.c:1780
do_new_mount+0x2be/0xb40 fs/namespace.c:3352
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f92cd87f46a
RSP: 002b:00007f92ce558ef8 EFLAGS: 00000202
ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f92ce558f80 RCX: 00007f92cd87f46a
RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007f92ce558f40
RBP: 0000000020000080 R08: 00007f92ce558f80 R09: 0000000000000016
R10: 0000000000000016 R11: 0000000000000202 R12: 0000000020000000
R13: 00007f92ce558f40 R14: 0000000000005104 R15: 0000000020000180
Showing all locks held in the system:
2 locks held by kworker/u8:0/11:
5 locks held by ksoftirqd/1/24:
6 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0:
ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/u8:5/1098:
2 locks held by dhcpcd/4758:
#0: ffffffff8f5cbc28 (vlan_ioctl_mutex){+.+.}-{3:3}
, at: sock_ioctl+0x664/0x8e0 net/socket.c:1303
#1: ffffffff8f5e6b08 (rtnl_mutex){+.+.}-{3:3}, at: vlan_ioctl_handler+0x112/0x9d0 net/8021q/vlan.c:553
2 locks held by getty/4847:
#0:
ffff88802a1b00a0
(&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by udevd/5093:
#0:
ffff88801d54a048
(mapping.invalidate_lock
#2
){.+.+}-{3:3}
, at: filemap_invalidate_lock_shared include/linux/fs.h:846 [inline]
, at: page_cache_ra_unbounded+0xf7/0x7f0 mm/readahead.c:225
4 locks held by udevd/5095:
#0: ffff8880660ac0a0 (&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
#1:
ffff8880183a2488
(&of->mutex
#2
){+.+.}-{3:3}
, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
#2:
ffff8880217be008
(kn->active
#26){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
#3:
ffff88802defd190 (&dev->mutex){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
2 locks held by kworker/1:3/5149:
2 locks held by kworker/1:6/5159:
3 locks held by kworker/0:6/5161:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc900043b7d00
((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2:
ffffffff8f5e6b08
(
rtnl_mutex
){+.+.}-{3:3}
, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
3 locks held by kworker/0:7/5200:
#0: ffff888015080948
(
(wq_completion)events
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3206 [inline]
, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc90004477d00
(deferred_process_work
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5e6b08
(rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by udevd/5368:
#0: ffffffff8e8a4a68
(uuid_mutex){+.+.}-{3:3}, at: btrfs_control_ioctl+0x150/0x3e0 fs/btrfs/super.c:2225
4 locks held by kworker/u8:9/6136:
#0:
ffff888015ed5948
(
(wq_completion)netns
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3206 [inline]
, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90009497d00 (net_cleanup_work){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2:
ffffffff8f5da2d0
(
pernet_ops_rwsem
){++++}-{3:3}
, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3:
ffff888062cd5408
(
&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x110/0x2e0 drivers/net/wireguard/device.c:249
2 locks held by syz-executor.4/7613:
#0:
ffffffff8e8a4a68
(
uuid_mutex
){+.+.}-{3:3}
, at: btrfs_get_tree_super fs/btrfs/super.c:1802 [inline]
, at: btrfs_get_tree+0x2dc/0x1920 fs/btrfs/super.c:2081
#1:
ffffffff8e3ec228 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x570 mm/swap.c:857
2 locks held by syz-executor.3/7616:
#0:
ffff888020b634c8
(&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xe5/0xc70 block/bdev.c:897
#1: ffffffff8e3ec228 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x570 mm/swap.c:857
1 lock held by syz-executor.0/7618:
#0:
ffffffff8e3ec228
(
lock#3
){+.+.}-{3:3}
, at: __lru_add_drain_all+0x66/0x570 mm/swap.c:857
1 lock held by syz-executor.2/7681:
#0:
ffffffff8e339238
(rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.4/7686:
#0: ffffffff8f5e6b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5e6b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
#1: ffffffff8e339238
(
rcu_state.exp_mutex
){+.+.}-{3:3}
, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
1 lock held by syz-executor.3/7688:
#0:
ffffffff8f5e6b08
(
rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
1 lock held by syz-executor.0/7705:
#0:
ffffffff8f5e6b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
ffffffff8f5e6b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
1 lock held by syz-executor.1/7708:
#0:
ffffffff8f5e6b08
(
rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc7-next-20240510-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
yealink 3-1:36.0: urb_irq_callback - urb status -71
NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: ksoftirqd/1 Not tainted 6.9.0-rc7-next-20240510-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406
Code: 00 5f 57 fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 81 17 bd fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c
RSP: 0018:ffffc90000a17238 EFLAGS: 00000002
RAX: 1ffffffff295b000 RBX: ffffffff94ad81a0 RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
RBP: 0000000000000000 R08: ffffffff853ebd76 R09: 1ffff11003ec6046
R10: dffffc0000000000 R11: ffffffff853ebd30 R12: dffffc0000000000
R13: 00000000000026c1 R14: 00000000000003fd R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f13fb3ff000 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_in drivers/tty/serial/8250/8250.h:117 [inline]
serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline]
wait_for_lsr drivers/tty/serial/8250/8250_port.c:2068 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_write+0x1099/0x1770 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:2928 [inline]
console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962
_dev_err+0x122/0x170 drivers/base/core.c:5017
urb_irq_callback+0x37e/0x5b0 drivers/input/misc/yealink.c:416
__usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648
dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:cfg80211_inform_bss_data+0x27e/0x5a70 net/wireless/scan.c:3084
Code: 00 48 8d 84 24 e0 03 00 00 48 8d 58 38 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 8c 24 e0 01 00 00 80 3c 01 00 <74> 08 48 89 df e8 a8 23 22 f7 48 89 9c 24 d0 01 00 00 4c 89 bc 24
RSP: 0018:ffffc90000a18260 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90000a18678 RCX: 1ffff920001430cf
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000a18668
RBP: ffffc90000a18718 R08: ffffc90000a18697 R09: 0000000000000000
R10: ffffc90000a18648 R11: fffff520001430d3 R12: ffffc90000a18640
R13: ffff888076b8bc74 R14: ffffc90000a18840 R15: 0000000000000028
cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3191
ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226
ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340
__ieee80211_rx_handle_packet net/mac80211/rx.c:5222 [inline]
ieee80211_rx_list+0x2b00/0x3780 net/mac80211/rx.c:5459
ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5482
ieee80211_rx include/net/mac80211.h:5093 [inline]
ieee80211_tasklet_handler+0xeb/0x1f0 net/mac80211/main.c:438
tasklet_action_common+0x321/0x4d0 kernel/softirq.c:785
handle_softirqs+0x2d6/0x990 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1419
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 66 90 48 89 df e8 ee 21 2d 0a e8 b9 29 35 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffffc900001e7b08 EFLAGS: 00000286
RAX: 80fcd48229bda600 RBX: ffff8880b953e7c0 RCX: ffffffff947aa603
RDX: dffffc0000000000 RSI: ffffffff8bcab500 RDI: ffffffff8c1fdcc0
RBP: ffffc900001e7d30 R08: ffffffff8fad33ef R09: 1ffffffff1f5a67d
R10: dffffc0000000000 R11: fffffbfff1f5a67e R12: ffffc900001e7cb0
R13: 0000000000000000 R14: ffff888017af0770 R15: ffff888017af0000
__schedule+0x1a22/0x4a50 kernel/sched/core.c:6749
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
smpboot_thread_fn+0x65b/0xa30 kernel/smpboot.c:163
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71
yealink 3-1:36.0: unexpected response 0
yealink 3-1:36.0: urb_ctl_callback - urb status -71
yealink 3-1:36.0: urb_irq_callback - urb status -71