pvrusb2: Attached sub-driver cx25840 pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. ------------[ cut here ]------------ sysfs group 'power' not found for kobject 'i2c-0' WARNING: CPU: 1 PID: 103 at fs/sysfs/group.c:278 sysfs_remove_group fs/sysfs/group.c:278 [inline] WARNING: CPU: 1 PID: 103 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 fs/sysfs/group.c:269 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 103 Comm: pvrusb2-context Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 panic+0x2aa/0x6e1 kernel/panic.c:221 __warn.cold+0x2f/0x33 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 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_remove_group fs/sysfs/group.c:278 [inline] RIP: 0010:sysfs_remove_group+0x155/0x1b0 fs/sysfs/group.c:269 Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 e0 9d d0 85 e8 60 06 8a ff <0f> 0b eb 95 e8 92 9f db ff e9 d2 fe ff ff 48 89 df e8 85 9f db ff RSP: 0018:ffff8881d4e07c40 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff85f2c9c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8128bcbd RDI: ffffed103a9c0f7a RBP: 0000000000000000 R08: ffff8881d7986000 R09: ffffed103b665d58 R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffff8881cfd9c338 R13: ffffffff85f2cf60 R14: ffff8881cfd9c900 R15: ffff8881d7986000 dpm_sysfs_remove+0x97/0xb0 drivers/base/power/sysfs.c:741 device_del+0x12a/0xb20 drivers/base/core.c:2352 device_unregister+0x11/0x30 drivers/base/core.c:2407 i2c_del_adapter drivers/i2c/i2c-core-base.c:1594 [inline] i2c_del_adapter+0x42b/0x590 drivers/i2c/i2c-core-base.c:1533 pvr2_i2c_core_done+0x69/0xb6 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:652 pvr2_hdw_destroy+0x179/0x370 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2680 pvr2_context_destroy+0x84/0x230 drivers/media/usb/pvrusb2/pvrusb2-context.c:70 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline] pvr2_context_thread_func+0x657/0x860 drivers/media/usb/pvrusb2/pvrusb2-context.c:158 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..