usb 1-1: reset high-speed USB device number 2 using dummy_hcd
usb 1-1: device descriptor read/64, error -71
usb 1-1: Using ep0 maxpacket: 8
usb 1-1: read over firmware interface failed: -71
usb 1-1: reset high-speed USB device number 2 using dummy_hcd
usb 1-1: Using ep0 maxpacket: 8
WARNING: CPU: 0 PID: 12 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238 zd_mac_clear+0xbd/0xe0 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238
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:zd_mac_clear+0xbd/0xe0 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:238
Code: e8 98 a2 03 fe 48 8d bd f8 2b 00 00 be ff ff ff ff e8 d7 ed ea fd 31 ff 89 c3 89 c6 e8 ec a3 03 fe 85 db 75 c2 e8 73 a2 03 fe <0f> 0b eb b9 48 c7 c7 74 0b ad 87 e8 a3 86 29 fe eb 98 48 c7 c7 40
RSP: 0018:ffff8881d9e0f1b8 EFLAGS: 00010293
RAX: ffff8881d9df9800 RBX: 0000000000000000 RCX: ffffffff83392974
RDX: 0000000000000000 RSI: ffffffff8339297d RDI: 0000000000000005
RBP: ffff8881cfdea560 R08: ffff8881d9df9800 R09: ffff8881cfdea560
R10: ffffed1039fbda27 R11: ffff8881cfded13f R12: ffff8881cfde8b20
R13: 1ffff1103b3c1e3c R14: 00000000ffffffb9 R15: ffffffff86153b98
 probe.cold+0x3ef/0x4a8 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1421
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
 really_probe+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 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+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_new_device.cold+0x8c1/0x1016 drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1ada/0x3590 drivers/usb/core/hub.c:5432
 process_one_work+0x905/0x1570 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 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..