| TITLE: WARNING in em28xx_usb_disconnect |
| |
| [ 31.912260][ T21] ------------[ cut here ]------------ |
| [ 31.917870][ T21] WARNING: CPU: 1 PID: 21 at kernel/workqueue.c:3031 __flush_work.cold+0x2c/0x36 |
| [ 31.927362][ T21] Kernel panic - not syncing: panic_on_warn set ... |
| [ 31.934264][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.3.0-rc2+ #25 |
| [ 31.942018][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 31.952079][ T21] Workqueue: usb_hub_wq hub_event |
| [ 31.957276][ T21] Call Trace: |
| [ 31.960620][ T21] dump_stack+0xca/0x13e |
| [ 31.965111][ T21] ? alloc_unbound_pwq.cold+0x40/0x6a |
| [ 31.971638][ T21] panic+0x2a3/0x6da |
| [ 31.975732][ T21] ? add_taint.cold+0x16/0x16 |
| [ 31.980486][ T21] ? __probe_kernel_read+0x188/0x1d0 |
| [ 31.985780][ T21] ? __warn.cold+0x5/0x4a |
| [ 31.990110][ T21] ? __warn+0xe3/0x1e0 |
| [ 31.994260][ T21] ? __flush_work.cold+0x2c/0x36 |
| [ 31.999595][ T21] __warn.cold+0x20/0x4a |
| [ 32.003835][ T21] ? __flush_work.cold+0x2c/0x36 |
| [ 32.008987][ T21] report_bug+0x262/0x2a0 |
| [ 32.013304][ T21] do_error_trap+0x12b/0x1e0 |
| [ 32.017879][ T21] ? __flush_work.cold+0x2c/0x36 |
| [ 32.022948][ T21] do_invalid_op+0x32/0x40 |
| [ 32.027646][ T21] ? __flush_work.cold+0x2c/0x36 |
| [ 32.032661][ T21] invalid_op+0x23/0x30 |
| [ 32.037069][ T21] RIP: 0010:__flush_work.cold+0x2c/0x36 |
| [ 32.042687][ T21] Code: 9a 22 00 48 c7 c7 20 e4 c5 85 e8 d9 3a 0d 00 0f 0b 45 31 e4 e9 98 86 ff ff e8 51 9a 22 00 48 c7 c7 20 e4 c5 85 e8 be 3a 0d 00 <0f> 0b 45 31 e4 e9 7d 86 ff ff e8 36 9a 22 00 48 c7 c7 20 e4 c5 85 |
| [ 32.066233][ T21] RSP: 0018:ffff8881da2f7720 EFLAGS: 00010286 |
| [ 32.072615][ T21] RAX: 0000000000000024 RBX: dffffc0000000000 RCX: 0000000000000000 |
| [ 32.081158][ T21] RDX: 0000000000000000 RSI: ffffffff8128a0fd RDI: ffffed103b45eed6 |
| [ 32.090281][ T21] RBP: ffff8881da2f7888 R08: 0000000000000024 R09: fffffbfff11acd9a |
| [ 32.100441][ T21] R10: fffffbfff11acd99 R11: ffffffff88d66ccf R12: 0000000000000000 |
| [ 32.109253][ T21] R13: 0000000000000001 R14: ffff8881d2e99df8 R15: ffff8881d2d61b78 |
| [ 32.117896][ T21] ? vprintk_func+0x7d/0x113 |
| [ 32.122925][ T21] ? wq_update_unbound_numa+0x710/0x710 |
| [ 32.128901][ T21] ? __dev_printk+0x1db/0x203 |
| [ 32.133677][ T21] ? _dev_info+0xd7/0x109 |
| [ 32.138711][ T21] ? _dev_notice+0x109/0x109 |
| [ 32.143931][ T21] ? lockdep_hardirqs_on+0x379/0x580 |
| [ 32.149820][ T21] ? usb_hcd_flush_endpoint+0x14c/0x2d0 |
| [ 32.155978][ T21] ? usb_disable_endpoint+0x1ba/0x1f0 |
| [ 32.161459][ T21] em28xx_usb_disconnect.cold+0x280/0x2a6 |
| [ 32.170214][ T21] usb_unbind_interface+0x1bd/0x8a0 |
| [ 32.177191][ T21] ? usb_autoresume_device+0x60/0x60 |
| [ 32.182587][ T21] device_release_driver_internal+0x404/0x4c0 |
| [ 32.188714][ T21] bus_remove_device+0x2dc/0x4a0 |
| [ 32.195974][ T21] device_del+0x420/0xb10 |
| [ 32.200916][ T21] ? __device_links_no_driver+0x240/0x240 |
| [ 32.207857][ T21] ? usb_remove_ep_devs+0x3e/0x80 |
| [ 32.213675][ T21] ? remove_intf_ep_devs+0x13f/0x1d0 |
| [ 32.220341][ T21] usb_disable_device+0x211/0x690 |
| [ 32.225687][ T21] usb_disconnect+0x284/0x8d0 |
| [ 32.230774][ T21] hub_event+0x1454/0x3640 |
| [ 32.235406][ T21] ? find_held_lock+0x2d/0x110 |
| [ 32.240229][ T21] ? mark_held_locks+0xe0/0xe0 |
| [ 32.245957][ T21] ? hub_port_debounce+0x260/0x260 |
| [ 32.252587][ T21] process_one_work+0x92b/0x1530 |
| [ 32.257632][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 |
| [ 32.263522][ T21] ? do_raw_spin_lock+0x11a/0x280 |
| [ 32.269121][ T21] worker_thread+0x7ab/0xe20 |
| [ 32.276466][ T21] ? process_one_work+0x1530/0x1530 |
| [ 32.282107][ T21] kthread+0x318/0x420 |
| [ 32.286548][ T21] ? kthread_create_on_node+0xf0/0xf0 |
| [ 32.292243][ T21] ret_from_fork+0x24/0x30 |
| [ 32.297457][ T21] Kernel Offset: disabled |
| [ 32.302033][ T21] Rebooting in 86400 seconds.. |
