rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=66573, q=426 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10069 (4295029654-4295019585), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10069 jiffies! g66573 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27928 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xb00 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x270/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: yealink 2-1:36.0: unexpected response 0 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 14934 Comm: syz.3.1854 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:number+0x924/0xc70 lib/vsprintf.c:573 Code: dc 02 00 00 41 88 14 24 e8 29 9a 2b f6 83 ed 01 31 ff 49 83 c4 01 89 ee 49 83 ed 01 e8 55 95 2b f6 83 fd ff 0f 85 6b ff ff ff <4a> 8d 5c 3b 01 e8 02 9a 2b f6 8b 04 24 31 ff 44 8d 60 ff 44 89 e6 RSP: 0018:ffffc90000006ff0 EFLAGS: 00000046 RAX: 0000000000000002 RBX: ffffc900000073f7 RCX: ffffffff8b8ff1eb RDX: ffff88802d5d8000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 000000000015d610 R12: ffffc900000073fd R13: ffffc90000007087 R14: ffffc900800073ef R15: 0000000000000005 FS: 0000000000000000(0000) GS:ffff8881246b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2bb89b CR3: 000000000e380000 CR4: 00000000003526f0 Call Trace: vsnprintf+0x5e6/0x1160 lib/vsprintf.c:2890 sprintf+0xcc/0x100 lib/vsprintf.c:3089 print_time kernel/printk/printk.c:1381 [inline] info_print_prefix+0x25a/0x350 kernel/printk/printk.c:1407 record_print_text+0x140/0x400 kernel/printk/printk.c:1456 printk_get_next_message+0x2d1/0x6d0 kernel/printk/printk.c:3024 console_emit_next_record kernel/printk/printk.c:3092 [inline] console_flush_all+0x6ea/0xc60 kernel/printk/printk.c:3226 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xd8/0x210 kernel/printk/printk.c:3325 vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450 dev_vprintk_emit drivers/base/core.c:4914 [inline] dev_printk_emit+0xfa/0x140 drivers/base/core.c:4925 __dev_printk+0xf5/0x270 drivers/base/core.c:4937 _dev_err+0xe4/0x120 drivers/base/core.c:4980 urb_irq_callback+0x12c/0x700 drivers/input/misc/yealink.c:435 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1814/0x3a30 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline] RIP: 0010:__orc_find+0x7e/0xf0 arch/x86/kernel/unwind_orc.c:102 Code: ea 3f 48 c1 fe 02 48 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a 48 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 <40> 84 f6 75 4b 48 63 13 48 01 da 49 39 d5 73 af 4c 8d 63 fc 49 39 RSP: 0018:ffffc9000465f170 EFLAGS: 00000202 RAX: ffffffff914cc0ae RBX: ffffffff90c446ac RCX: dffffc0000000000 RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff90c446ac RBP: ffffffff90c446ac R08: ffffffff914cc0b4 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000fe2a R12: ffffffff90c446ac R13: ffffffff81fe2a50 R14: ffffffff90c446ac R15: ffffffff90c446ac orc_find arch/x86/kernel/unwind_orc.c:227 [inline] unwind_next_frame+0x2ec/0x20a0 arch/x86/kernel/unwind_orc.c:494 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] free_unref_folios+0xa61/0x16b0 mm/page_alloc.c:2952 folios_put_refs+0x56f/0x740 mm/swap.c:997 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x58f/0x1150 mm/shmem.c:1157 shmem_truncate_range mm/shmem.c:1269 [inline] shmem_evict_inode+0x3a1/0xbe0 mm/shmem.c:1397 evict+0x3e6/0x920 fs/inode.c:810 iput_final fs/inode.c:1897 [inline] iput fs/inode.c:1923 [inline] iput+0x521/0x880 fs/inode.c:1909 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:466 __dentry_kill+0x1d0/0x600 fs/dcache.c:669 dput.part.0+0x4b1/0x9b0 fs/dcache.c:911 dput+0x1f/0x30 fs/dcache.c:901 __fput+0x51c/0xb70 fs/file_table.c:476 task_work_run+0x14d/0x240 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x86f/0x2bf0 kernel/exit.c:961 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102 __do_sys_exit_group kernel/exit.c:1113 [inline] __se_sys_exit_group kernel/exit.c:1111 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1111 x64_sys_call+0x14fa/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbb8f98ebe9 Code: Unable to access opcode bytes at 0x7fbb8f98ebbf. RSP: 002b:00007ffe08162b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb8f98ebe9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe08162bfc R08: 0000001d08162c8f R09: 00000000000927c0 R10: 00000000000008e8 R11: 0000000000000246 R12: 00000000000000c0 R13: 00000000000927c0 R14: 00000000000c7e35 R15: 00007ffe08162c50 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_ctl_callback - urb status -71 yealink 2-1:36.0: urb_irq_callback - urb status -71 yealink 2-1:36.0: unexpected response 0 yealink 2-1:36.0: urb_irq_callback - usb_submit_urb failed -19