USB kernel oops 2.6.7
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HI everybody,
When I unplugged my Kodak DC4800 USB camera, I noticed this kernel problem in /var/log/messages. I'm running a stock 2.6.7 kernel compiled for SMP. The problem is reproduceable. Please cc me on any replies, and let me know if I can perform experiments, etc. to help isolate this problem.
Thanks!
Andy
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Aug 13 19:22:28 tux kernel: ------------[ cut here ]------------ Aug 13 19:22:28 tux kernel: kernel BUG at drivers/usb/storage/usb.c:846! Aug 13 19:22:28 tux kernel: invalid operand: 0000 [#1] Aug 13 19:22:28 tux kernel: PREEMPT SMP Aug 13 19:22:28 tux kernel: Modules linked in: nls_utf8 nls_cp437 usb_storage
vfat fat mga usbserial lp edd joydev s
g st sr_mod ide_cd cdrom nvram snd_seq_oss snd_pcm_oss snd_mixer_oss snd_seq_midi snd_seq_midi_event snd_seq snd_ens
1371 snd_rawmidi snd_seq_device snd_pcm snd_page_alloc snd_timer snd_ac97_codec snd soundcore gameport ipv6 ohci_hcd
8139too mii parport_pc via_agp agpgart parport evdev usbcore dm_mod sym53c8xxscsi_transport_spi sd_mod reiserfs ai
c7xxx scsi_mod
Aug 13 19:22:28 tux kernel: CPU: 0 Aug 13 19:22:28 tux kernel: EIP: 0060: [__crc_xfrm_user_policy+483640/835764] Not tainted Aug 13 19:22:28 tux kernel: EIP: 0060:[<e1abf881>] Not tainted Aug 13 19:22:28 tux kernel: EFLAGS: 00010202 (2.6.7) Aug 13 19:22:28 tux kernel: EIP is at usb_stor_release_resources+0xb1/0xc0 [usb_storage] Aug 13 19:22:28 tux kernel: eax: dfc99200 ebx: c17dce00 ecx: 00001ade edx: dfc9928c Aug 13 19:22:28 tux kernel: esi: e1acbc40 edi: d27e9800 ebp: d27e9824 esp: dd399f14 Aug 13 19:22:28 tux kernel: ds: 007b es: 007b ss: 0068 Aug 13 19:22:28 tux kernel: Process khubd (pid: 1322, threadinfo=dd398000 task=dd5682b0) Aug 13 19:22:28 tux /sbin/hotplug-stopped[0]: hotplugging not enabled. Run rchotplug start Aug 13 19:22:28 tux /sbin/hotplug-stopped[0]: hotplugging not enabled. Run rchotplug start Aug 13 19:22:28 tux kernel: Stack: dfc99258 e0fdb0b5 dfc99268 e1acbc60 c022b0c6 dfc99268 d27e98d0 c022b1bb Aug 13 19:22:28 tux kernel: dfc99268 d27e98d0 c022a3e4 00000001 d27e9800 e0fe1205 d27e9840 ffffffff Aug 13 19:22:28 tux kernel: e0fdbb0a dfe232b8 dd893c00 dfe231b8 00000002 e0fdda7c 00000003 00000003 Aug 13 19:22:28 tux kernel: Call Trace: Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1541996/7082694] usb_unbind_interface+0x55/0x60 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fdb0b5>] usb_unbind_interface+0x55/0x60 [usbcore] Aug 13 19:22:28 tux kernel: [device_release_driver+70/80] device_release_driver+0x46/0x50 Aug 13 19:22:28 tux kernel: [<c022b0c6>] device_release_driver+0x46/0x50 Aug 13 19:22:28 tux kernel: [bus_remove_device+59/112] bus_remove_device+0x3b/0x70 Aug 13 19:22:28 tux kernel: [<c022b1bb>] bus_remove_device+0x3b/0x70 Aug 13 19:22:28 tux kernel: [device_del+84/160] device_del+0x54/0xa0 Aug 13 19:22:28 tux kernel: [<c022a3e4>] device_del+0x54/0xa0 Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1566908/7082694] usb_disable_device+0xc5/0xe0 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fe1205>] usb_disable_device+0xc5/0xe0 [usbcore] Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1544641/7082694] usb_disconnect+0x9a/0xd0 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fdbb0a>] usb_disconnect+0x9a/0xd0 [usbcore] Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1552691/7082694] hub_port_connect_change+0xac/0x2e0 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fdda7c>] hub_port_connect_change+0xac/0x2e0 [usbcore] Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1553633/7082694] hub_events+0x17a/0x360 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fdde2a>] hub_events+0x17a/0x360 [usbcore] Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1554193/7082694] hub_thread+0x4a/0xf0 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fde05a>] hub_thread+0x4a/0xf0 [usbcore] Aug 13 19:22:28 tux kernel: [default_wake_function+0/16] default_wake_function+0x0/0x10 Aug 13 19:22:28 tux kernel: [<c011e1c0>] default_wake_function+0x0/0x10 Aug 13 19:22:28 tux kernel: [__crc_gss_mech_register+1554119/7082694] hub_thread+0x0/0xf0 [usbcore] Aug 13 19:22:28 tux kernel: [<e0fde010>] hub_thread+0x0/0xf0 [usbcore] Aug 13 19:22:28 tux kernel: [kernel_thread_helper+5/16] kernel_thread_helper+0x5/0x10 Aug 13 19:22:28 tux kernel: [<c0104275>] kernel_thread_helper+0x5/0x10 Aug 13 19:22:28 tux kernel: Aug 13 19:22:28 tux kernel: Code: 0f 0b 4e 03 3d 68 ac e1 e9 66 ff ff ff 89 f6 81 ea 00 a9 ac Aug 13 19:22:29 tux kernel: <1>Unable to handle kernel paging request at virtual address 64003a65 Aug 13 19:22:29 tux kernel: printing eip: Aug 13 19:22:29 tux kernel: e1abed6a Aug 13 19:22:29 tux kernel: *pde = 00000000 Aug 13 19:22:29 tux kernel: Oops: 0002 [#2] Aug 13 19:22:29 tux kernel: PREEMPT SMP Aug 13 19:22:29 tux kernel: Modules linked in: nls_utf8 nls_cp437 usb_storage
vfat fat mga usbserial lp edd joydev s
g st sr_mod ide_cd cdrom nvram snd_seq_oss snd_pcm_oss snd_mixer_oss snd_seq_midi snd_seq_midi_event snd_seq snd_ens
1371 snd_rawmidi snd_seq_device snd_pcm snd_page_alloc snd_timer snd_ac97_codec snd soundcore gameport ipv6 ohci_hcd
8139too mii parport_pc via_agp agpgart parport evdev usbcore dm_mod sym53c8xxscsi_transport_spi sd_mod reiserfs ai
c7xxx scsi_mod
Aug 13 19:22:29 tux kernel: CPU: 0 Aug 13 19:22:29 tux kernel: EIP: 0060: [__crc_xfrm_user_policy+480801/835764] Not tainted Aug 13 19:22:29 tux kernel: EIP: 0060:[<e1abed6a>] Not tainted Aug 13 19:22:29 tux kernel: EFLAGS: 00010002 (2.6.7) Aug 13 19:22:29 tux kernel: EIP is at usb_stor_control_thread+0xca/0x2e0 [usb_storage] Aug 13 19:22:29 tux kernel: eax: 64003a65 ebx: c17dce00 ecx: c17dce00 edx: 00000001 Aug 13 19:22:29 tux kernel: esi: dfe75c00 edi: 00000000 ebp: d916c000 esp: d916dfa8 Aug 13 19:22:29 tux kernel: ds: 007b es: 007b ss: 0068 Aug 13 19:22:29 tux kernel: Process usb-storage (pid: 6878, threadinfo=d916c000 task=ddb1a1d0) Aug 13 19:22:29 tux kernel: Stack: c17dcf10 c17dcf24 dfe2f0e0 ddb1a1d0 dfe2bf80 c0105e36 dfe2f0e0 e1abeca0 Aug 13 19:22:29 tux kernel: 00000000 c17dce00 00000000 00000000 00000000 00000000 e1abeca0 00000000 Aug 13 19:22:29 tux kernel: 00000000 00000000 c0104275 c17dce00 00000000 00000000 Aug 13 19:22:29 tux kernel: Call Trace: Aug 13 19:22:29 tux kernel: [ret_from_fork+6/32] ret_from_fork+0x6/0x20 Aug 13 19:22:29 tux kernel: [<c0105e36>] ret_from_fork+0x6/0x20 Aug 13 19:22:29 tux kernel: [__crc_xfrm_user_policy+480599/835764] usb_stor_control_thread+0x0/0x2e0 [usb_storage] Aug 13 19:22:29 tux kernel: [<e1abeca0>] usb_stor_control_thread+0x0/0x2e0 [usb_storage] Aug 13 19:22:29 tux kernel: [__crc_xfrm_user_policy+480599/835764] usb_stor_control_thread+0x0/0x2e0 [usb_storage] Aug 13 19:22:29 tux kernel: [<e1abeca0>] usb_stor_control_thread+0x0/0x2e0 [usb_storage] Aug 13 19:22:29 tux kernel: [kernel_thread_helper+5/16] kernel_thread_helper+0x5/0x10 Aug 13 19:22:29 tux kernel: [<c0104275>] kernel_thread_helper+0x5/0x10 Aug 13 19:22:29 tux kernel: Aug 13 19:22:29 tux kernel: Code: f0 fe 08 0f 88 19 0d 00 00 8b 93 b8 00 00 00 81 ba 50 01 00 Aug 13 19:22:29 tux kernel: <6>note: usb-storage[6878] exited with preempt_count 1 Aug 13 19:22:32 tux kernel: usbcore: deregistering driver usb-storage
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- --
Andy Stewart, Founder
Worcester Linux Users' Group
Worcester, MA USA
http://www.wlug.org
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Quoted 4 lines · Andy Stewart
Aug 13 19:22:28 tux /sbin/hotplug-stopped[0]: hotplugging not enabled. Run rchotplug start Aug 13 19:22:28 tux /sbin/hotplug-stopped[0]: hotplugging not enabled. Runrchotplug start
Was hotplugging enabled at the time, or is this message wrong? If the message is accurate, I would expect an Oops, the same way you often get an Oops if you unplug any piece of hardware that's not hot pluggable (assuming the hardware survives).
Lee
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Quoted 6 lines · Lee Revell
Quoted 4 lines · Andy Stewart
Aug 13 19:22:28 tux /sbin/hotplug-stopped[0]: hotplugging not enabled. Run rchotplug start Aug 13 19:22:28 tux /sbin/hotplug-stopped[0]: hotplugging not enabled.Run rchotplug start
Quoted 6 lines
Was hotplugging enabled at the time, or is this message wrong? If the message is accurate, I would expect an Oops, the same way you often get an Oops if you unplug any piece of hardware that's not hot pluggable (assuming the hardware survives).
Lee
Confirmed: hotplugging was not enabled at the time.
- --
Andy Stewart, Founder
Worcester Linux Users' Group
Worcester, MA USA
http://www.wlug.org
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Quoted 5 lines · Andy Stewart
HI everybody,
When I unplugged my Kodak DC4800 USB camera, I noticed this kernel problem in
/var/log/messages. I'm running a stock 2.6.7 kernel compiled for SMP.
Can you try 2.6.8-rc4 to see if this is fixed there or not?
And did you unmount the camera after mounting it, before removing the device?
thanks,
greg k-h
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Quoted 7 lines · Greg KH
Quoted 5 lines · Andy Stewart
HI everybody,
When I unplugged my Kodak DC4800 USB camera, I noticed this kernel problem in
/var/log/messages. I'm running a stock 2.6.7 kernel compiled for SMP.
Quoted 8 lines
Can you try 2.6.8-rc4 to see if this is fixed there or not?
And did you unmount the camera after mounting it, before removing the device?
thanks,
greg k-h
HI Greg,
I tried the 2.6.8 kernel and my USB camera is working much better - perfectly, in fact!
Thank you very much!
Andy
- --
Andy Stewart, Founder
Worcester Linux Users' Group
Worcester, MA USA
http://www.wlug.org
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