pvrusb2: Device being rendered inoperable
pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules.
pvrusb2: You need to resolve the failing condition before this driver can function.  There should be some earlier messages giving more information about the problem.
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sysfs group 'power' not found for kobject 'i2c-0'
WARNING: CPU: 1 PID: 585 at fs/sysfs/group.c:254 sysfs_remove_group fs/sysfs/group.c:254 [inline]
WARNING: CPU: 1 PID: 585 at fs/sysfs/group.c:254 sysfs_remove_group+0x15a/0x1b0 fs/sysfs/group.c:245
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 585 Comm: pvrusb2-context Not tainted 5.1.0-rc4-319354-g9a33b36 #3
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+0xe8/0x16e lib/dump_stack.c:113
 panic+0x29d/0x5f2 kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 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+0x130/0x1f0 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:sysfs_remove_group fs/sysfs/group.c:254 [inline]
RIP: 0010:sysfs_remove_group+0x15a/0x1b0 fs/sysfs/group.c:245
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 60 31 7a 8e e8 66 8f 6e ff <0f> 0b eb 95 e8 8d a3 d3 ff e9 d2 fe ff ff 48 89 df e8 80 a3 d3 ff
RSP: 0018:ffff88809cc8f9f0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff8f037f80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815b1e42 RDI: ffffed1013991f30
RBP: 0000000000000000 R08: ffff88809cc81880 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880981b8890
R13: ffffffff8f038620 R14: 0000000000000000 R15: ffff8880981b8888
 dpm_sysfs_remove+0xa2/0xc0 drivers/base/power/sysfs.c:737
 device_del+0x175/0xb90 drivers/base/core.c:2246
 device_unregister+0x27/0xd0 drivers/base/core.c:2301
 device_destroy+0x96/0xd0 drivers/base/core.c:2859
 i2cdev_detach_adapter+0xd1/0x140 drivers/i2c/i2c-dev.c:692
 i2cdev_notifier_call+0x41/0xa0 drivers/i2c/i2c-dev.c:707
 notifier_call_chain+0xca/0x240 kernel/notifier.c:93
 __blocking_notifier_call_chain kernel/notifier.c:317 [inline]
 __blocking_notifier_call_chain kernel/notifier.c:304 [inline]
 blocking_notifier_call_chain kernel/notifier.c:328 [inline]
 blocking_notifier_call_chain+0x8a/0xb0 kernel/notifier.c:325
 device_del+0x168/0xb90 drivers/base/core.c:2243
 device_unregister+0x27/0xd0 drivers/base/core.c:2301
 i2c_del_adapter drivers/i2c/i2c-core-base.c:1508 [inline]
 i2c_del_adapter+0x4a7/0x640 drivers/i2c/i2c-core-base.c:1447
 pvr2_i2c_core_done+0x6e/0xbb drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:662
 pvr2_hdw_destroy+0x17e/0x380 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2669
 pvr2_context_destroy+0x89/0x240 drivers/media/usb/pvrusb2/pvrusb2-context.c:79
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:146 [inline]
 pvr2_context_thread_func+0x65e/0x870 drivers/media/usb/pvrusb2/pvrusb2-context.c:167
 kthread+0x313/0x420 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..