Hi !

I've got this kernel oops with 2.6.3-rc1 when I remove an usb 
peripheral. The result is the same if USB UHCI is compiled statically or 
in module.
Please find in attachment the output of lspci and .config

Best regards,

Mathieu LESNIAK


Feb  8 11:54:35 athlon kernel: Linux version 2.6.3-rc1 (root@athlon) 
(version gcc 3.3.3 20040125 (prerelease) (Debian)) #3 Sun Feb 8 11:11:53 
CET 2004


Feb  8 11:55:39 athlon kernel: usb 2-2: USB disconnect, address 2
Feb  8 11:55:39 athlon kernel: Unable to handle kernel NULL pointer 
dereference at virtual address 0000001e
Feb  8 11:55:39 athlon kernel:  printing eip:
Feb  8 11:55:39 athlon kernel: c030631c
Feb  8 11:55:39 athlon kernel: *pde = 00000000
Feb  8 11:55:39 athlon kernel: Oops: 0000 [#1]
Feb  8 11:55:39 athlon kernel: CPU:    0
Feb  8 11:55:39 athlon kernel: EIP:    0060:[disconnect_scanner+44/105] 
    Tainted: PF
Feb  8 11:55:39 athlon kernel: EFLAGS: 00010282
Feb  8 11:55:39 athlon kernel: EIP is at disconnect_scanner+0x2c/0x69
Feb  8 11:55:39 athlon kernel: eax: c166ac80   ebx: c166ac94   ecx: 
c03062f0   edx: dfd35c00
Feb  8 11:55:39 athlon kernel: esi: 00000000   edi: dfd7cf28   ebp: 
c04a723c   esp: dfddde50
Feb  8 11:55:39 athlon kernel: ds: 007b   es: 007b   ss: 0068
Feb  8 11:55:39 athlon kernel: Process khubd (pid: 5, 
threadinfo=dfddc000 task=dff90080)
Feb  8 11:55:39 athlon kernel: Stack: c166ac80 c04a72b8 c166ac80 
c04a7320 c02dd7db c166ac80 c166ac80 c166acc0
Feb  8 11:55:39 athlon kernel:        c166ac94 c04a7340 c027ce54 
c166ac94 c166acc0 dfd7cf3c dfd7cf00 c0305c9f
Feb  8 11:55:39 athlon kernel:        c166ac94 c166ac80 dfd7cf3c 
c04a724c 00000000 00000000 c0229c78 dfd7cf3c
Feb  8 11:55:39 athlon kernel: Call Trace:
Feb  8 11:55:39 athlon kernel:  [usb_unbind_interface+123/128] 
usb_unbind_interface+0x7b/0x80
Feb  8 11:55:39 athlon kernel:  [device_release_driver+100/112] 
device_release_driver+0x64/0x70
Feb  8 11:55:39 athlon kernel:  [destroy_scanner+79/176] 
destroy_scanner+0x4f/0xb0
Feb  8 11:55:39 athlon kernel:  [kobject_cleanup+152/160] 
kobject_cleanup+0x98/0xa0
Feb  8 11:55:39 athlon kernel:  [usb_unbind_interface+123/128] 
usb_unbind_interface+0x7b/0x80
Feb  8 11:55:39 athlon kernel:  [device_release_driver+100/112] 
device_release_driver+0x64/0x70
Feb  8 11:55:39 athlon kernel:  [bus_remove_device+85/160] 
bus_remove_device+0x55/0xa0
Feb  8 11:55:39 athlon kernel:  [device_del+93/160] device_del+0x5d/0xa0
Feb  8 11:55:39 athlon kernel:  [usb_disable_device+112/176] 
usb_disable_device+0x70/0xb0
Feb  8 11:55:39 athlon kernel:  [usb_disconnect+150/240] 
usb_disconnect+0x96/0xf0
Feb  8 11:55:39 athlon kernel:  [hub_port_connect_change+783/800] 
hub_port_connect_change+0x30f/0x320
Feb  8 11:55:39 athlon kernel:  [hub_port_status+67/176] 
hub_port_status+0x43/0xb0
Feb  8 11:55:39 athlon kernel:  [hub_events+714/832] hub_events+0x2ca/0x340
Feb  8 11:55:39 athlon kernel:  [hub_thread+45/240] hub_thread+0x2d/0xf0
Feb  8 11:55:39 athlon kernel:  [ret_from_fork+6/20] ret_from_fork+0x6/0x14
Feb  8 11:55:39 athlon kernel:  [default_wake_function+0/32] 
default_wake_function+0x0/0x20
Feb  8 11:55:39 athlon kernel:  [hub_thread+0/240] hub_thread+0x0/0xf0
Feb  8 11:55:39 athlon kernel:  [kernel_thread_helper+5/12] 
kernel_thread_helper+0x5/0xc
Feb  8 11:55:39 athlon kernel:
Feb  8 11:55:39 athlon kernel: Code: 80 7e 1e 00 75 2a 85 f6 74 1a 8d 46 
3c 8b 5c 24 08 8b 74 24