Just got the following oops by plugging in my Philips Toucam Pro
webcam, and unplugging it a few seconds later (before everything
finished getting set up).
Duncan.
PS: The taintedness and the "System.map says 2.5.24, pwcx-i386 says 2.4.18"
is coming from the pwcx-i386 binary module that enables high resolution transfers
from the camera. If anyone cares I will try reproducing the oops without it.
ksymoops 2.4.5 on i586 2.4.19-rc1. Options used
-V (default)
-k /var/log/ksymoops/20020630190320.ksyms (specified)
-l /var/log/ksymoops/20020630190320.modules (specified)
-o /lib/modules/2.5.24-dj2/ (specified)
-m /boot/System.map-2.5.24-dj2 (specified)
Warning (compare_Version): Version mismatch. System.map says 2.5.24, pwcx-i386 says
2.4.18. Expect lots of address mismatches.
Unable to handle kernel NULL pointer dereference at virtual address 0000000c
cc8a490b
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<cc8a490b>] Tainted: PF
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000000 ebx: cdd00368 ecx: 00000001 edx: c796fc00
esi: cdd003a0 edi: 000000dc ebp: c349bec0 esp: c349be9c
ds: 0018 es: 0018 ss: 0018
Stack: 00000001 c796fc00 c796fdd0 000000dc c796fc24 cdd003c4 00000001 00000000
cc8b16c0 c349bedc cc8a45c7 c796fc00 00000001 00000000 ca08b400 ca08b5d0
c349bef4 cc8a459d c796fc00 cc8b18a0 cc8b18a8 00000001 c349bf08 cc8a422d
Call Trace: [<cdd003c4>] [<cc8b16c0>] [<cc8a45c7>] [<cc8a459d>] [<cc8b18a0>]
[<cc8b18a8>] [<cc8a422d>] [<cdd003a0>] [<cc8a41e3>] [<cdcfe33d>] [<cdd003a0>]
[<c0114b5b>] [<c012c0f7>] [<cdcf7060>] [<c0106c97>]
Code: 03 78 0c 83 7d f8 00 0f 85 8c fe ff ff 81 7d fc c0 16 8b cc
>>EIP; cc8a490b <[usbcore]usb_find_interface_driver+197/1d0> <=====
>>ebx; cdd00368 <END_OF_CODE+af29/????>
>>edx; c796fc00 <_end+76cefa8/c5b33a8>
>>esi; cdd003a0 <END_OF_CODE+af61/????>
>>ebp; c349bec0 <_end+31fb268/c5b33a8>
>>esp; c349be9c <_end+31fb244/c5b33a8>
Trace; cdd003c4 <END_OF_CODE+af85/????>
Trace; cc8b16c0 <[usbcore]usb_driver_list+0/0>
Trace; cc8a45c7 <[usbcore]usb_check_support+5f/7c>
Trace; cc8a459d <[usbcore]usb_check_support+35/7c>
Trace; cc8b18a0 <[usbcore]usb_bus_list+0/8>
Trace; cc8b18a8 <[usbcore]usb_bus_list_lock+0/14>
Trace; cc8a422d <[usbcore]__kstrtab_usb_register_root_hub+a/16>
Trace; cdd003a0 <END_OF_CODE+af61/????>
Trace; cc8a41e3 <[usbcore]__kstrtab_usb_bus_init+c/d>
Trace; cdcfe33d <END_OF_CODE+8efe/????>
Trace; cdd003a0 <END_OF_CODE+af61/????>
Trace; c0114b5b <sys_init_module+51f/5ec>
Trace; c012c0f7 <get_page_cache_size+f/14>
Trace; cdcf7060 <.bss.end+1c21/????>
Trace; c0106c97 <syscall_call+7/b>
Code; cc8a490b <[usbcore]usb_find_interface_driver+197/1d0>
00000000 <_EIP>:
Code; cc8a490b <[usbcore]usb_find_interface_driver+197/1d0> <=====
0: 03 78 0c add 0xc(%eax),%edi <=====
Code; cc8a490e <[usbcore]usb_find_interface_driver+19a/1d0>
3: 83 7d f8 00 cmpl $0x0,0xfffffff8(%ebp)
Code; cc8a4912 <[usbcore]usb_find_interface_driver+19e/1d0>
7: 0f 85 8c fe ff ff jne fffffe99 <_EIP+0xfffffe99> cc8a47a4
<[usbcore]usb_find_interface_driver+30/1d0>
Code; cc8a4918 <[usbcore]usb_find_interface_driver+1a4/1d0>
d: 81 7d fc c0 16 8b cc cmpl $0xcc8b16c0,0xfffffffc(%ebp)
1 warning issued. Results may not be reliable.
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