hub 3-0:1.0: 8 ports detected hub 3-0:1.0: USB hub found hub 3-0:1.0: 8 ports detected ------------[ cut here ]------------ URB 000000001f4e2e8e submitted while active WARNING: CPU: 1 PID: 17 at drivers/usb/core/urb.c:362 usb_submit_urb+0x1110/0x1400 drivers/usb/core/urb.c:362 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.1.0-rc4+ #1 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:usb_submit_urb+0x1110/0x1400 drivers/usb/core/urb.c:362 Code: 89 de e8 33 89 f5 fc 84 db 0f 85 fe f5 ff ff e8 e6 87 f5 fc 4c 89 fe 48 c7 c7 c0 ea b1 87 c6 05 a8 cc ba 04 01 e8 8e 36 c8 fc <0f> 0b e9 dc f5 ff ff c7 45 c8 01 00 00 00 e9 94 f6 ff ff 41 be ed RSP: 0018:ffff8881d9b47b90 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815afd86 RDI: ffffed103b368f64 RBP: ffff8881d9b47bf0 R08: ffff8881d9b32480 R09: ffffed103b5e5011 R10: ffffed103b5e5010 R11: ffff8881daf28087 R12: ffff8881ccd7edd0 R13: ffff8881d9b47cf0 R14: 00000000fffffff0 R15: ffff8881cd77e800 hub_activate+0xc77/0x16d0 drivers/usb/core/hub.c:1257 hub_init_func2+0x1e/0x30 drivers/usb/core/hub.c:1282 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..