r8712u: register rtl8712_netdev_ops to netdev_ops usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints usb 1-1: r8712u: Boot from EFUSE: Autoload Failed usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" usb 1-1: USB disconnect, device number 2 WARNING: CPU: 0 PID: 12 at net/core/dev.c:8182 rollback_registered_many+0x1df/0xe00 net/core/dev.c:8182 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc1+ #10 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 panic+0x292/0x6c9 kernel/panic.c:218 __warn.cold+0x20/0x4b kernel/panic.c:575 report_bug+0x262/0x2a0 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+0x12b/0x1e0 arch/x86/kernel/traps.c:272 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:rollback_registered_many+0x1df/0xe00 net/core/dev.c:8182 Code: 84 c0 74 06 0f 8e 39 0a 00 00 44 0f b6 bb 28 05 00 00 31 ff 44 89 fe e8 3f 5c 8b fc 45 84 ff 0f 85 49 ff ff ff e8 01 5b 8b fc <0f> 0b 4c 89 e7 e8 47 46 2d fd 31 ff 41 89 c4 89 c6 e8 1b 5c 8b fc RSP: 0018:ffff8881d9e0f6a8 EFLAGS: 00010293 RAX: ffff8881d9df9800 RBX: ffff8881d0308000 RCX: ffffffff84b170e1 RDX: 0000000000000000 RSI: ffffffff84b170ef RDI: 0000000000000001 RBP: ffff8881d9e0f7d8 R08: ffff8881d9df9800 R09: fffffbfff0f2effd R10: fffffbfff0f2effc R11: ffffffff87977fe7 R12: ffff8881d0308070 R13: ffff8881d9e0f768 R14: dffffc0000000000 R15: 0000000000000000 rollback_registered+0xf2/0x1c0 net/core/dev.c:8258 unregister_netdevice_queue net/core/dev.c:9305 [inline] unregister_netdevice_queue+0x1d7/0x2b0 net/core/dev.c:9298 unregister_netdevice include/linux/netdevice.h:2635 [inline] unregister_netdev+0x18/0x20 net/core/dev.c:9346 r871xu_dev_remove+0xe2/0x215 drivers/staging/rtl8712/usb_intf.c:604 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:423 __device_release_driver drivers/base/dd.c:1081 [inline] device_release_driver_internal+0x404/0x4c0 drivers/base/dd.c:1112 bus_remove_device+0x2dc/0x4a0 drivers/base/bus.c:556 device_del+0x460/0xb80 drivers/base/core.c:2274 usb_disable_device+0x211/0x690 drivers/usb/core/message.c:1237 usb_disconnect+0x284/0x830 drivers/usb/core/hub.c:2197 hub_port_connect drivers/usb/core/hub.c:4940 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x1409/0x3590 drivers/usb/core/hub.c:5432 process_one_work+0x905/0x1570 kernel/workqueue.c:2268 process_scheduled_works kernel/workqueue.c:2330 [inline] worker_thread+0x7ab/0xe20 kernel/workqueue.c:2416 kthread+0x30b/0x410 kernel/kthread.c:254 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..