yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 6-1:0.101: yurex_interrupt - unknown status received: -71 yurex 4-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 6-1:0.101: yurex_interrupt - unknown status received: -71 rcu: INFO: rcu_sched self-detected stall on CPU rcu: 1-....: (1 GPs behind) idle=d6e/1/0x4000000000000004 softirq=40396/40397 fqs=3509 (t=10500 jiffies g=66265 q=424) NMI backtrace for cpu 1 CPU: 1 PID: 2834 Comm: kworker/1:5 Not tainted 5.4.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x55/0x96 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b0/0x1c7 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x169/0x1b3 kernel/rcu/tree_stall.h:254 print_cpu_stall kernel/rcu/tree_stall.h:455 [inline] check_cpu_stall kernel/rcu/tree_stall.h:529 [inline] rcu_pending kernel/rcu/tree.c:2795 [inline] rcu_sched_clock_irq.cold+0x4da/0x936 kernel/rcu/tree.c:2244 update_process_times+0x25/0x60 kernel/time/timer.c:1726 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:167 tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1299 __run_hrtimer kernel/time/hrtimer.c:1514 [inline] __hrtimer_run_queues+0x303/0xc60 kernel/time/hrtimer.c:1576 hrtimer_interrupt+0x2e8/0x730 kernel/time/hrtimer.c:1638 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0xf5/0x500 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x40/0x50 kernel/locking/spinlock.c:191 Code: e8 c5 30 b3 fb 48 89 ef e8 9d 0f b4 fb f6 c7 02 75 11 53 9d e8 d1 d5 d0 fb 65 ff 0d f2 80 8f 7a 5b 5d c3 e8 72 d9 d0 fb 53 9d ed 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 fd 65 ff RSP: 0018:ffff8881db309b08 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000206 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881d974e84c RBP: ffff8881d5eea100 R08: ffff8881d974e000 R09: fffffbfff11b25b6 R10: fffffbfff11b25b5 R11: ffffffff88d92daf R12: 0000000000000080 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8881c8e17c00 spin_unlock_irqrestore include/linux/spinlock.h:393 [inline] dummy_timer+0x131b/0x2fa2 drivers/usb/gadget/udc/dummy_hcd.c:1979 call_timer_fn+0x179/0x650 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x5e3/0x1490 kernel/time/timer.c:1786 __do_softirq+0x221/0x912 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x178/0x1a0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x12f/0x500 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 RIP: 0010:kernfs_add_one+0x356/0x4d0 fs/kernfs/dir.c:814 Code: 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 <31> ff 83 e3 01 89 de e8 ae 27 b5 ff 85 db 0f 85 c2 fd ff ff e8 31 RSP: 0018:ffff8881d6bbece0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffc9000d78a000 RDX: 1ffff1103b41ae01 RSI: ffffffff8188f59b RDI: ffff8881da0d7008 RBP: ffff8881d6bbed20 R08: ffff8881d974e000 R09: fffffbfff0db8375 R10: fffffbfff0db8374 R11: ffffffff86dc1ba7 R12: ffff8881c8cd77e0 R13: ffff8881c8cd7700 R14: 0000000000000000 R15: 0000000000000000 kernfs_create_dir_ns+0xf6/0x150 fs/kernfs/dir.c:1033 sysfs_create_dir_ns+0x127/0x290 fs/sysfs/dir.c:59 create_dir lib/kobject.c:89 [inline] kobject_add_internal+0x2ca/0x990 lib/kobject.c:255 kobject_add_varg lib/kobject.c:390 [inline] kobject_add+0x150/0x1c0 lib/kobject.c:442 device_add+0x393/0x16f0 drivers/base/core.c:2152 device_create_groups_vargs+0x203/0x280 drivers/base/core.c:2845 device_create_vargs drivers/base/core.c:2885 [inline] device_create+0xdf/0x120 drivers/base/core.c:2921 usb_register_dev drivers/usb/core/file.c:203 [inline] usb_register_dev+0x312/0x670 drivers/usb/core/file.c:156 yurex_probe+0xaf5/0xf1e drivers/usb/misc/yurex.c:284 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x104/0x210 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490 device_add+0xae6/0x16f0 drivers/base/core.c:2201 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x104/0x210 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490 device_add+0xae6/0x16f0 drivers/base/core.c:2201 usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1b5c/0x3640 drivers/usb/core/hub.c:5441 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x318/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 yurex 4-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 6-1:0.101: yurex_interrupt - unknown status received: -71 yurex 6-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 4-1:0.101: yurex_interrupt - unknown status received: -71 yurex 4-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 6-1:0.101: yurex_interrupt - unknown status received: -71 yurex 4-1:0.101: yurex_interrupt - unknown status received: -71