[Cbe-oss-dev] Oops: Exception in kernel mode, sig: 5 [#1]

[Stefan Wald]

Hi,
sorry to bother again :-)
I'm experimenting with a dvb-s2 usb card. When I power it off I get the
following Oops.
Is this a kernel or a device driver problem?
Thanks,
Stefan,

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kernel BUG at kernel/module.c:878!
Oops: Exception in kernel mode, sig: 5 [#1]?
SMP NR_CPUS=2 NUMA PS3
Modules linked in: stb6100 lnbp22 stb0899 dvb_usb_pctv452e dvb_usb dvb_core
ttpci_eeprom i2c_core bnep rfcomm l2cap snd_ps3 snd_pcm gspca_ov534 evdev
gspca_main btusb videodev bluetooth v4l1_compat v4l2_compat_ioctl32 usbhid
snd_page_alloc usb_storage snd_timer sg ps3vram snd soundcore ps3_lpm
dm_mod ps3disk ext3 jbd ohci_hcd ehci_hcd usbcore
NIP: c0000000000a2e40 LR: c0000000000a2e38 CTR: c0000000000a2df8
REGS: c0000000044772d0 TRAP: 0700   Not tainted
(2.6.29-rc6-01506-g624b1ab)
MSR: 8000000000028032 <EE,CE,IR,DR>  CR: 22000042  XER: 00000000
TASK = c000000004324bc0[343] 'khubd' THREAD: c000000004474000 CPU: 0
GPR00: c00000000059a9f8 c000000004477550 c000000000631708 0000000000000000
GPR04: 0000000000000000 c0000000003dafbc 0000000000000224 c000000004324bc0
GPR08: c000000004324bc0 c00000000059a9f8 d000000002058010 c00000000059a9f8
GPR12: d000000001eb2738 c000000000661300 c0000000043b8010 00000000000003e8
GPR16: c0000000043fa800 0000000000000002 c00000000449e430 0000000000000000
GPR20: 0000000000000003 c0000000043b8000 c0000000043b8000 0000000000000003
GPR24: c0000000043b8470 0000000000000000 c000000006c76800 c000000006c76000
GPR28: c000000006704810 d000000002058010 d000000001edf188 c000000004477550
NIP [c0000000000a2e40] .symbol_put_addr+0x48/0x6c
LR [c0000000000a2e38] .symbol_put_addr+0x40/0x6c
Call Trace:
[c000000004477550] [d000000002057388] .lnbp22_release+0x64/0x1dc [lnbp22]
(unreliable)
[c0000000044775e0] [d000000001eaad4c] .dvb_frontend_detach+0x5c/0x124
[dvb_core]
[c000000004477670] [d000000001ed14ac] .dvb_usb_adapter_frontend_exit
+0x40/0x60 [dvb_usb]
[c000000004477700] [d000000001ed05e8] .dvb_usb_exit+0x74/0x150 [dvb_usb]
[c0000000044777a0] [d000000001ed0720] .dvb_usb_device_exit+0x5c/0x88
[dvb_usb]
[c000000004477830] [d000000001ee5708] .pctv452e_usb_disconnect+0x84/0xa4
[dvb_usb_pctv452e]
[c0000000044778c0] [d0000000000629d4] .usb_unbind_interface+0x9c/0x178
[usbcore]
[c000000004477970] [c0000000002935c8] .__device_release_driver+0xc8/0x110
[c000000004477a10] [c000000000293760] .device_release_driver+0x40/0x68
[c000000004477aa0] [c000000000292664] .bus_remove_device+0xec/0x130
[c000000004477b40] [c00000000028fa5c] .device_del+0x184/0x20c
[c000000004477be0] [d00000000005ea64] .usb_disable_device+0xc0/0x17c
[usbcore]
[c000000004477c80] [d0000000000588dc] .usb_disconnect+0xd0/0x174 [usbcore]
[c000000004477d30] [d0000000000599f8] .hub_thread+0x5fc/0x1018 [usbcore]
[c000000004477ef0] [c0000000000810bc] .kthread+0x90/0xe4
[c000000004477f90] [c0000000000258e4] .kernel_thread+0x54/0x70
Instruction dump:]
7c7d1b78 60000000 60000000 7fa3eb78 4bfdaa79 60000000 2fa30000 409e0020]
7fa3eb78 4bffbd19 2fa30000 409e000c <0fe00000> 48000000 4bffe2ad e8210000]
---[ end trace 179d73ad8f656b70 ]---