yurex 5-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 4-1:0.101: yurex_interrupt - unknown status received: -71 yurex 5-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=3aa/1/0x4000000000000004 softirq=30072/30074 fqs=5213 (t=10500 jiffies g=50641 q=1739) NMI backtrace for cpu 0 CPU: 0 PID: 1746 Comm: kworker/0:2 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: 0000:ffff8881db209b08 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000206 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881d4beb84c RBP: ffff8881da16c200 R08: ffff8881d4beb000 R09: fffffbfff11b25b8 R10: fffffbfff11b25b7 R11: ffffffff88d92dbf R12: 0000000000000080 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8881cd606500 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:on_stack arch/x86/include/asm/stacktrace.h:47 [inline] RIP: 0010:unwind_next_frame+0x1134/0x19e0 arch/x86/kernel/unwind_orc.c:562 Code: 00 0f 85 aa 06 00 00 48 8d 7b 10 4c 8b 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 7d 06 00 00 <4d> 39 e5 48 8b 43 10 0f 87 2a f3 ff ff 4c 39 e0 0f 86 21 f3 ff ff RSP: 0000:ffff8881d3b36ac0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8881d3b36b98 RCX: 0000000000000000 RDX: 1ffff1103a766d75 RSI: ffff8881d3b36a58 RDI: ffff8881d3b36ba8 RBP: 1ffff1103a766d60 R08: 0000000000000001 R09: 0000000000000001 R10: 00000000000848aa R11: 0000000000000001 R12: ffff8881d3b37d58 R13: ffff8881d3b30000 R14: ffff8881d3b36be0 R15: 0000000000000001 arch_stack_walk+0x74/0xd0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9f/0xe0 kernel/stacktrace.c:123 save_stack+0x1b/0x80 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_kmalloc mm/kasan/common.c:510 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:483 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc_node mm/slub.c:2772 [inline] slab_alloc mm/slub.c:2780 [inline] kmem_cache_alloc_trace+0xe6/0x2f0 mm/slub.c:2797 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:686 [inline] device_private_init drivers/base/core.c:2061 [inline] device_add+0xf17/0x16f0 drivers/base/core.c:2111 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 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 5-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - unknown status received: -71 yurex 1-1:0.101: yurex_interrupt - usb_submit_urb failed: -19 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - unknown status received: -71 yurex 2-1:0.101: yurex_interrupt - usb_submit_urb failed: -19