usb 1-1: usbvision_write_reg: failed: error -71 usb 1-1: usbvision_write_reg: failed: error -71 usb 1-1: usbvision_write_reg: failed: error -71 usb 1-1: usbvision_write_reg: failed: error -71 usb 1-1: usbvision_write_reg: failed: error -71 usbvision_i2c_register: can't write reg videodev: could not get a free device node number usb 1-1: USBVision[256]: video_register_device() failed ------------[ cut here ]------------ WARNING: CPU: 1 PID: 83 at fs/sysfs/file.c:327 sysfs_create_file_ns.cold+0x11/0x1e fs/sysfs/file.c:327 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #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:sysfs_create_file_ns.cold+0x11/0x1e fs/sysfs/file.c:327 Code: 6b 08 41 bc ff 0f 00 00 e9 79 f1 ff ff 48 8b 7c 24 08 e8 c7 f1 db ff eb e5 e8 f0 3a b5 ff 48 c7 c7 60 c3 d0 85 e8 bd c4 9f ff <0f> 0b 41 bd ea ff ff ff e9 48 f9 ff ff e8 d2 3a b5 ff 48 c7 c7 60 RSP: 0018:ffff8881d93df1e0 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff8881d2cac590 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8128d9ad RDI: ffffed103b27be2e RBP: ffffffff87559540 R08: 0000000000000024 R09: ffffed103b665d58 R10: ffffed103b665d57 R11: ffff8881db32eabf R12: 1ffff1103b27be3d R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8881d2cac5c0 sysfs_create_file include/linux/sysfs.h:530 [inline] device_create_file+0xe6/0x1d0 drivers/base/core.c:1595 usbvision_create_sysfs drivers/media/usb/usbvision/usbvision-video.c:252 [inline] usbvision_probe.cold+0x1c0f/0x1f1f drivers/media/usb/usbvision/usbvision-video.c:1518 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:430 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490 device_add+0xae6/0x16f0 drivers/base/core.c:2201 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:430 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490 device_add+0xae6/0x16f0 drivers/base/core.c:2201 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..