usb 1-1: Direct firmware load for mrvl/usbusb8997_combo_v4.bin failed with error -2 usb 1-1: Failed to get firmware mrvl/usbusb8997_combo_v4.bin usb 1-1: info: _mwifiex_fw_dpc: unregister device INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 107 Comm: kworker/1:2 Not tainted 5.2.0-rc6+ #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:775 [inline] register_lock_class+0x11ae/0x1240 kernel/locking/lockdep.c:1084 __lock_acquire+0x11d/0x5340 kernel/locking/lockdep.c:3674 lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4303 del_timer_sync+0x3a/0x130 kernel/time/timer.c:1277 mwifiex_usb_cleanup_tx_aggr drivers/net/wireless/marvell/mwifiex/usb.c:1358 [inline] mwifiex_unregister_dev+0x416/0x690 drivers/net/wireless/marvell/mwifiex/usb.c:1370 _mwifiex_fw_dpc+0x577/0xda0 drivers/net/wireless/marvell/mwifiex/main.c:651 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:785 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 ------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 107 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 107 Comm: kworker/1:2 Not tainted 5.2.0-rc6+ #13 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func 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:219 __warn.cold+0x20/0x4b 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+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325 Code: dd e0 16 da 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 16 da 85 48 c7 c7 c0 0c da 85 e8 db c7 33 ff <0f> 0b 83 05 43 3c ce 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff8881d42278d8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103a844f0d RBP: 0000000000000001 R08: ffff8881d4663000 R09: fffffbfff0dddcd9 R10: fffffbfff0dddcd8 R11: ffffffff86eee6c3 R12: ffffffff86f04760 R13: ffffffff812db3c0 R14: 1ffff1103a844f28 R15: ffff8881d067d7f8 debug_object_assert_init lib/debugobjects.c:694 [inline] debug_object_assert_init+0x23a/0x2f0 lib/debugobjects.c:665 debug_timer_assert_init kernel/time/timer.c:725 [inline] debug_assert_init kernel/time/timer.c:770 [inline] try_to_del_timer_sync+0x6d/0x110 kernel/time/timer.c:1217 del_timer_sync+0xf9/0x130 kernel/time/timer.c:1287 mwifiex_usb_cleanup_tx_aggr drivers/net/wireless/marvell/mwifiex/usb.c:1358 [inline] mwifiex_unregister_dev+0x416/0x690 drivers/net/wireless/marvell/mwifiex/usb.c:1370 _mwifiex_fw_dpc+0x577/0xda0 drivers/net/wireless/marvell/mwifiex/main.c:651 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:785 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..