cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (9606 ticks this GP) idle=63f4/1/0x4000000000000000 softirq=128147/128147 fqs=22 rcu: (t=10500 jiffies g=195701 q=574 ncpus=2) rcu: rcu_preempt kthread starved for 10438 jiffies! g195701 f0x0 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:29136 pid:16 tgid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5376 [inline] __schedule+0xc71/0x3050 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xe7/0x270 kernel/sched/core.c:6778 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1830 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 25178 Comm: syz-executor.0 Not tainted 6.7.0-rc2-syzkaller-00024-g6acba0345b68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:kvm_wait+0x146/0x180 arch/x86/kernel/kvm.c:1062 Code: 5b 5d 41 5c 41 5d e9 69 f5 3a 00 e8 64 f5 3a 00 e8 7f ab 41 00 66 90 e8 58 f5 3a 00 0f 00 2d a1 9b 72 05 e8 4c f5 3a 00 fb f4 <5b> 5d 41 5c 41 5d e9 3f f5 3a 00 e8 3a f5 3a 00 e8 c5 ab 41 00 e9 RSP: 0018:ffffc9000a837888 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 1ffffffff16e2bea RDX: ffff888103eb9d00 RSI: ffffffff8112fd64 RDI: ffffffff86a68980 RBP: ffffffff88087220 R08: 0000000000000001 R09: fffffbfff16e1f45 R10: ffffffff8b70fa2f R11: 0000000000000000 R12: 0000000000000003 R13: 0000000000000003 R14: 0000000000000000 R15: fffffbfff1010e44 FS: 00007f5e3ba516c0(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5e3c913000 CR3: 00000001302a1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:598 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x959/0xc70 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:586 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x20e/0x2b0 kernel/locking/spinlock_debug.c:115 spin_lock include/linux/spinlock.h:351 [inline] __kernfs_new_node+0xfa/0x890 fs/kernfs/dir.c:620 kernfs_new_node fs/kernfs/dir.c:679 [inline] kernfs_create_dir_ns+0x9a/0x210 fs/kernfs/dir.c:1040 sysfs_create_dir_ns+0x13b/0x2a0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x2c8/0x960 lib/kobject.c:238 kobject_add_varg lib/kobject.c:372 [inline] kobject_init_and_add+0x11c/0x190 lib/kobject.c:455 bus_add_driver+0x186/0x630 drivers/base/bus.c:666 driver_register+0x15c/0x4a0 drivers/base/driver.c:246 usb_gadget_register_driver_owner+0xfd/0x2d0 drivers/usb/gadget/udc/core.c:1685 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] raw_ioctl+0x172f/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1306 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f5e3c6ce84b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007f5e3ba4efa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5e3c6ce84b RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 RBP: 00007f5e3ba50070 R08: 0000000000000010 R09: 00302e6364755f79 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5e3ba4f040 R14: 00000000200002c0 R15: 00007f5e3c912b88 CPU: 1 PID: 2394 Comm: udevd Not tainted 6.7.0-rc2-syzkaller-00024-g6acba0345b68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 76 79 de fa 48 89 df e8 6e f8 de fa f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 25 6b d3 fa 65 8b 05 c6 9d b3 79 85 c0 74 12 5b RSP: 0018:ffffc90000198a90 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff888105724000 RCX: 1ffffffff16ea3f6 RDX: 0000000000000000 RSI: ffffffff8687cf60 RDI: ffffffff86a68980 RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff16e1f58 R10: ffffffff8b70fac7 R11: ffffffff814df380 R12: ffff888105775438 R13: ffff88813a70fd00 R14: dffffc0000000000 R15: 1ffff92000033182 FS: 00007ff0328d3c80(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f398ffdfd58 CR3: 000000010e362000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_timer+0x1f55/0x35f0 drivers/usb/gadget/udc/dummy_hcd.c:2001 call_timer_fn+0x193/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x20a/0x94b kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5721 Code: c1 05 5d f0 d3 7e 83 f8 01 0f 85 b0 02 00 00 9c 58 f6 c4 02 0f 85 9b 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc9000145f3d0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff9200028be7c RCX: 0000000000000001 RDX: 1ffff11022ab388e RSI: ffffffff8687d260 RDI: ffffffff86a68980 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff16e1f44 R10: ffffffff8b70fa27 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: ffffffff8824dee0 R15: 0000000000000000 debug_objects_fill_pool lib/debugobjects.c:614 [inline] debug_object_activate+0x144/0x490 lib/debugobjects.c:713 debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline] __call_rcu_common.constprop.0+0x2c/0x790 kernel/rcu/tree.c:2666 radix_tree_node_free lib/radix-tree.c:310 [inline] delete_node+0x13e/0x8e0 lib/radix-tree.c:573 __radix_tree_delete+0x193/0x3d0 lib/radix-tree.c:1379 radix_tree_delete_item+0xeb/0x230 lib/radix-tree.c:1430 kernfs_put.part.0+0x1f9/0x490 fs/kernfs/dir.c:567 kernfs_put+0x47/0x50 fs/kernfs/dir.c:543 evict+0x2ed/0x6b0 fs/inode.c:664 iput_final fs/inode.c:1775 [inline] iput.part.0+0x55e/0x7a0 fs/inode.c:1801 iput+0x5c/0x80 fs/inode.c:1791 dentry_unlink_inode+0x292/0x430 fs/dcache.c:401 __dentry_kill+0x3b8/0x640 fs/dcache.c:607 dentry_kill fs/dcache.c:745 [inline] dput+0x6de/0xf80 fs/dcache.c:913 lookup_fast+0x275/0x520 fs/namei.c:1660 walk_component+0x5b/0x5a0 fs/namei.c:1998 link_path_walk.part.0.constprop.0+0x71f/0xce0 fs/namei.c:2329 link_path_walk fs/namei.c:2254 [inline] path_openat+0x240/0x2c40 fs/namei.c:3775 do_filp_open+0x1de/0x430 fs/namei.c:3809 do_sys_openat2+0x176/0x1e0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7ff0329fe9a4 Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffd68d6d520 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff0329fe9a4 RDX: 0000000000080000 RSI: 00007ffd68d6d658 RDI: 00000000ffffff9c RBP: 00007ffd68d6d658 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 000056401f5fab42 R14: 0000000000000001 R15: 0000000000000000 imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cdc_wdm 2-1:1.0: nonzero urb status received: -71 cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19 imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored imon 6-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored cm109 3-1:0.8: cm109_urb_ctl_callback: urb status -71 cm109 3-1:0.8: cm109_urb_ctl_callback: urb status -71 cm109 3-1:0.8: cm109_urb_ctl_callback: urb status -2