binder: 9561:9562 ioctl c018620b 0 returned -14 binder: 9562 RLIMIT_NICE not set ------------[ cut here ]------------ URB 000000009d764389 submitted while active binder: 9561:9571 transaction failed 29189/-22, size 24-8 line 2834 WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:363 usb_submit_urb+0x11cf/0x14e0 drivers/usb/core/urb.c:363 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 4.20.0-rc5+ #367 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_power_efficient hub_init_func2 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 kobject: 'loop3' (00000000406afc2e): kobject_uevent_env __warn.cold.8+0x20/0x45 kernel/panic.c:540 kobject: 'loop3' (00000000406afc2e): fill_kobj_path: path = '/devices/virtual/block/loop3' report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:usb_submit_urb+0x11cf/0x14e0 drivers/usb/core/urb.c:363 Code: ee e8 b5 04 70 fc 45 84 ed 0f 85 e2 f6 ff ff e8 d7 03 70 fc 48 89 de 48 c7 c7 a0 05 94 88 c6 05 b7 43 03 05 01 e8 d1 63 39 fc <0f> 0b e9 c0 f6 ff ff c7 45 a0 01 00 00 00 e9 65 f7 ff ff 41 bc ed binder: 9561:9571 BC_ACQUIRE_DONE u0000000000000000 no match RSP: 0018:ffff8881d9b1f4f0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8881ca846700 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165e495 RDI: 0000000000000005 RBP: ffff8881d9b1f560 R08: ffff8881d9b12300 R09: ffffed103b5c3ef8 R10: ffffed103b5c3ef8 R11: ffff8881dae1f7c7 R12: 00000000fffffff0 R13: 0000000000000000 R14: 0000000000000009 R15: ffff8881d9b1f6f8 hub_activate+0xcab/0x1940 drivers/usb/core/hub.c:1215 hub_init_func2+0x1e/0x30 drivers/usb/core/hub.c:1240 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 kobject: 'kvm' (00000000fdaa2e81): kobject_uevent_env kobject: 'kvm' (00000000fdaa2e81): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000fdaa2e81): kobject_uevent_env kobject: 'kvm' (00000000fdaa2e81): fill_kobj_path: path = '/devices/virtual/misc/kvm' worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kobject: 'loop4' (0000000059cfc6f0): kobject_uevent_env kobject: 'loop4' (0000000059cfc6f0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000fdaa2e81): kobject_uevent_env kobject: 'kvm' (00000000fdaa2e81): fill_kobj_path: path = '/devices/virtual/misc/kvm' kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..