------------[ cut here ]------------ WARNING: CPU: 1 PID: 2904 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:226 zd_mac_clear.cold+0x11/0x20 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:226 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 2904 Comm: kworker/1:7 Not tainted 5.3.0-rc7+ #0 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+0x2a3/0x6da kernel/panic.c:219 __warn.cold+0x20/0x4a kernel/panic.c:576 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+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:zd_mac_clear.cold+0x11/0x20 drivers/net/wireless/zydas/zd1211rw/zd_mac.c:226 Code: 86 45 89 ec 48 8d 78 30 e8 b7 db 34 ff e9 aa c2 ff ff e8 a2 f7 2d fe eb d3 e8 0b 4f 07 fe 48 c7 c7 80 c7 13 86 e8 88 f0 f1 fd <0f> 0b e9 12 d1 ff ff 90 90 90 90 90 90 90 90 53 48 89 fb e8 e7 4e RSP: 0018:ffff8881c7c0f318 EFLAGS: 00010282 RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed1038f81e55 RBP: 0000000000000001 R08: 0000000000000024 R09: ffffed103b663ee7 R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: 00000000ffffffb9 R13: ffff8881cef90ba0 R14: ffff8881cf9119f0 R15: ffffffff86140a78 probe+0x254/0x590 drivers/net/wireless/zydas/zd1211rw/zd_usb.c:1409 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2165 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+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2165 usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1b5c/0x3640 drivers/usb/core/hub.c:5441 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x318/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..