2.6.1-mm2 oops when plugging out USB scanner

hi,

when I plug out my USB AGFA SnapScan 1212U scanner I get this oops.

Jan 14 23:38:50 neon kernel: Unable to handle kernel NULL pointer
Jan 14 23:38:50 neon kernel: c029234f
Jan 14 23:38:50 neon kernel: *pde = 00000000
Jan 14 23:38:50 neon kernel: Oops: 0000 [#1]
Jan 14 23:38:50 neon kernel: CPU:    0
Jan 14 23:38:50 neon kernel: EIP:    0060:[<c029234f>]    Tainted: P   VLI
Using defaults from ksymoops -t elf32-i386 -a i386
Jan 14 23:38:50 neon kernel: EFLAGS: 00010282
Jan 14 23:38:50 neon kernel: eax: dfd32380   ebx: dfd32394   ecx: c0292323
Jan 14 23:38:50 neon kernel: esi: 00000000   edi: dfd0b3a8   ebp: c037747c
Jan 14 23:38:50 neon kernel: ds: 007b   es: 007b   ss: 0068
Jan 14 23:38:50 neon kernel: Stack: dfd32380 c03774f8 dfd32380 c0377560
c027e14b dfd32380 dfd32380 dfd323c0
Jan 14 23:38:50 neon kernel:        dfd32394 c0377580 c0251bf6 dfd32394
dfd323c0 dfd0b3bc dfd0b380 c0291cd6
Jan 14 23:38:50 neon kernel:        dfd32394 dfd32380 dfd0b3bc c037748c
00000000 00000000 c01f368a dfd0b3bc
Jan 14 23:38:50 neon kernel: Call Trace:
Jan 14 23:38:50 neon kernel:  [<c027e14b>] usb_unbind_interface+0x7b/0x7d
Jan 14 23:38:50 neon kernel:  [<c0251bf6>] device_release_driver+0x64/0x66
Jan 14 23:38:50 neon kernel:  [<c0291cd6>] destroy_scanner+0x4f/0xa4
Jan 14 23:38:50 neon kernel:  [<c01f368a>] kobject_cleanup+0x98/0x9a
Jan 14 23:38:50 neon kernel:  [<c027e14b>] usb_unbind_interface+0x7b/0x7d
Jan 14 23:38:50 neon kernel:  [<c0251bf6>] device_release_driver+0x64/0x66
Jan 14 23:38:50 neon kernel:  [<c0251d1a>] bus_remove_device+0x55/0x96
Jan 14 23:38:50 neon kernel:  [<c0250ddc>] device_del+0x5d/0x9b
Jan 14 23:38:50 neon kernel:  [<c0284068>] usb_disable_device+0x71/0xac
Jan 14 23:38:50 neon kernel:  [<c027e8d7>] usb_disconnect+0x9b/0xe8
Jan 14 23:38:50 neon kernel:  [<c0280ef3>]
Jan 14 23:38:50 neon kernel:  [<c0280844>] hub_port_status+0x45/0xb0
Jan 14 23:38:50 neon kernel:  [<c02811cb>] hub_events+0x2d3/0x346
Jan 14 23:38:50 neon kernel:  [<c028126b>] hub_thread+0x2d/0xe4
Jan 14 23:38:50 neon kernel:  [<c02fe832>] ret_from_fork+0x6/0x14
Jan 14 23:38:50 neon kernel:  [<c011cdde>] default_wake_function+0x0/0x12
Jan 14 23:38:50 neon kernel:  [<c028123e>] hub_thread+0x0/0xe4
Jan 14 23:38:50 neon kernel:  [<c0109255>] kernel_thread_helper+0x5/0xb
Jan 14 23:38:50 neon kernel: Code: ec 10 8b 44 24 14 89 5c 24 08 89 74 24 0c

Trace; c027e14b <fbcon_scroll+2cb/c39>
Trace; c0251bf6 <device_release_driver+64/66>
Trace; c0291cd6 <default_file_lseek+6f/c2>
Trace; c01f368a <kobject_cleanup+98/9a>
Trace; c027e14b <fbcon_scroll+2cb/c39>
Trace; c0251bf6 <device_release_driver+64/66>
Trace; c0251d1a <bus_remove_device+55/96>
Trace; c0250ddc <device_del+5d/9b>
Trace; c0284068 <fb_validate_mode+85/125>
Trace; c027e8d7 <fbcon_scroll+a57/c39>
Trace; c0280ef3 <fb_pan_display+57/8b>
Trace; c0280844 <fb_show_logo+105/1fa>
Trace; c02811cb <fb_ioctl+ea/543>
Trace; c028126b <fb_ioctl+18a/543>
Trace; c02fe832 <xprt_socket_autoclose+2e/5b>
Trace; c011cdde <default_wake_function+0/12>
Trace; c028123e <fb_ioctl+15d/543>
Trace; c0109255 <kernel_thread_helper+5/b>

Code; c029234f <usbfs_add_bus+65/118>
00000000 <_EIP>:
Code; c029234f <usbfs_add_bus+65/118> <=====
0: ec in (%dx),%al <=====
Code; c0292350 <usbfs_add_bus+66/118>
1: 10 8b 44 24 14 89 adc %cl,0x89142444(%ebx)
Code; c0292356 <usbfs_add_bus+6c/118>
7: 5c pop %esp
Code; c0292357 <usbfs_add_bus+6d/118>
8: 24 08 and $0x8,%al
Code; c0292359 <usbfs_add_bus+6f/118>
a: 89 74 24 0c mov %esi,0xc(%esp,1)

Linux neon 2.6.1-mm2 #3 Tue Jan 13 18:52:15 CET 2004 i686 unknown unknown GNU/Linux

Gnu C                  3.3.2
Gnu make               3.80
util-linux             2.12
mount                  2.12
module-init-tools      0.9.14
e2fsprogs              1.34
quota-tools            3.09.
PPP                    2.4.1
nfs-utils              1.0.6
Linux C Library        2.3.2
Dynamic linker (ldd)   2.3.2
Linux C++ Library      5.0.5
Procps                 2.0.18
Net-tools              1.60
Kbd                    1.08
Sh-utils               5.0
Modules Loaded         ide_cd cdrom nvidia

.config.gz attached.

Best regards,
Axel Siebenwirth

____________________________________________________________________________
Axel Siebenwirth phone +49 3641 776807 |
Am Birnstiel 3 axel at pearbough dot net |
07745 Jena |
Germany________________________________________________http://pearbough.net |

Peeping Tom:
A window fan.
____________________________________________________________________________

Please search the archives before posting this bug as it has been addressed multiple times...

thanks,

greg k-h