[pvrusb2] Did pvrusb2 cause a kernel oops?

[Roger]

>From looks from my entire log since booting, video1 (hvr-1950) wasn't
loaded (as noted on irc).  video0 is the older pvrusb2 2900 device.

Command executed is "sudo hibernate" using gentoo-sources (without
TuxOnIce patches).

Jun  2 06:32:56 localhost2 device: '1-0018': device_unregister
Jun  2 06:32:56 localhost2 PM: Removing info for i2c:1-0018
Jun  2 06:32:56 localhost2 bus: 'i2c': remove device 1-0018
Jun  2 06:32:56 localhost2 bus: 'i2c': remove driver i2c ir driver
Jun  2 06:32:56 localhost2 driver: 'i2c ir driver': driver_release
Jun  2 06:32:56 localhost2 usbcore: deregistering interface driver
pvrusb2
Jun  2 06:32:56 localhost2 bus: 'usb': remove driver pvrusb2
Jun  2 06:32:56 localhost2 driver: 'pvrusb2': driver_release
Jun  2 06:32:56 localhost2 device class 'pvrusb2': unregistering
Jun  2 06:32:56 localhost2 class 'pvrusb2': release.
Jun  2 06:32:56 localhost2 device: 'video0': device_unregister
Jun  2 06:32:56 localhost2 PM: Removing info for No Bus:video0
Jun  2 06:32:56 localhost2 pvrusb2: unregistered device video0 [mpeg]
Jun  2 06:32:56 localhost2 device: 'radio0': device_unregister
Jun  2 06:32:56 localhost2 PM: Removing info for No Bus:radio0
Jun  2 06:32:56 localhost2 pvrusb2: unregistered device radio0 [mpeg]
Jun  2 06:32:56 localhost2 device: 'sn-7435104': device_unregister
Jun  2 06:32:56 localhost2 PM: Removing info for No Bus:sn-7435104
Jun  2 06:32:56 localhost2 BUG: unable to handle kernel NULL pointer
dereference at 00000024
Jun  2 06:32:56 localhost2 IP: [<c01c5089>] sysfs_remove_link+0x9/0x20
Jun  2 06:32:56 localhost2 *pde = 00000000 
Jun  2 06:32:56 localhost2 Oops: 0000 [#1] PREEMPT SMP 
Jun  2 06:32:56 localhost2 last sysfs
file: /sys/devices/pci0000:00/0000:00:11.0/host3/target3:0:0/3:0:0:0/type
Jun  2 06:32:56 localhost2 
Jun  2 06:32:56 localhost2 Pid: 1319, comm: pvrusb2-context Tainted: P
(2.6.29-gentoo-r4Y #9) To be Filled
Jun  2 06:32:56 localhost2 EIP: 0060:[<c01c5089>] EFLAGS: 00010206 CPU:
1
Jun  2 06:32:56 localhost2 EIP is at sysfs_remove_link+0x9/0x20
Jun  2 06:32:56 localhost2 EAX: 0000000c EBX: f652f400 ECX: c061de80
EDX: f652f46c
Jun  2 06:32:56 localhost2 ESI: f652f448 EDI: f65263e0 EBP: f692745c
ESP: f6bfff60
Jun  2 06:32:56 localhost2 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Jun  2 06:32:56 localhost2 Process pvrusb2-context (pid: 1319,
ti=f6bfe000 task=f6a76030 task.ti=f6bfe000)
Jun  2 06:32:56 localhost2 Stack:
Jun  2 06:32:56 localhost2 c0371030 f6522fa0 f652f400 c0371583 f652f400
00000001 f65263e0 00000000
Jun  2 06:32:56 localhost2 c0371699 c05bac51 f652f46c c051abfb 00000001
f821ea64 00000000 00000286
Jun  2 06:32:56 localhost2 00000000 f6957160 f821b550 f821b5f6 f6a97ed4
00000286 00000000 f6a76030
Jun  2 06:32:56 localhost2 Call Trace:
Jun  2 06:32:56 localhost2 [<c0371030>] device_remove_class_symlinks
+0x40/0x70
Jun  2 06:32:56 localhost2 [<c0371583>] device_del+0x63/0x150
Jun  2 06:32:56 localhost2 [<c0371699>] device_unregister+0x29/0x40
Jun  2 06:32:56 localhost2 [<f821ea64>] pvr2_sysfs_internal_check
+0xe4/0x250 [pvrusb2]
Jun  2 06:32:56 localhost2 [<f821b550>] pvr2_context_thread_func
+0x0/0x2d0 [pvrusb2]
Jun  2 06:32:56 localhost2 [<f821b5f6>] pvr2_context_thread_func
+0xa6/0x2d0 [pvrusb2]
Jun  2 06:32:56 localhost2 [<c013d7f0>] autoremove_wake_function
+0x0/0x50
Jun  2 06:32:56 localhost2 [<c013d4d2>] kthread+0x42/0x70
Jun  2 06:32:56 localhost2 [<c013d490>] kthread+0x0/0x70
Jun  2 06:32:56 localhost2 [<c0103a5b>] kernel_thread_helper+0x7/0x1c
Jun  2 06:32:56 localhost2 Code: ff 89 44 24 08 e9 79 fe ff ff b8 24 de
61 c0 e8 3e ac 31 00 8b 4c 24 04 89 4c 24 08 e9 62 fe ff ff 90 85 c0 b9
80 de 61 c0 74 03 <8b> 48 18 89 c8 e9 fd de ff ff 8d b6 00 00 00 00 8d
bc 27 00 00 
Jun  2 06:32:56 localhost2 EIP: [<c01c5089>] sysfs_remove_link+0x9/0x20
SS:ESP 0068:f6bfff60


-- 
Roger
http://rogerx.freeshell.org