2.4.10 oops through usb-uhci

Jeff DeFouw (defouwj@purdue.edu)
Fri, 28 Sep 2001 14:42:46 -0500 (EST)


Guaranteed oops in 2.4.10 every time I try to access my ov511 usb
webcam. I copied down the Oops message with paper and pen, hopefully
there aren't any errors.

ksymoops 2.4.3 on i686 2.4.10.

Unable to handle kernel paging request at virtual address ffffffdc
d08c6bf2
*pde = 00003063
Oops: 0000
CPU: 1
EIP: 0010:[<d08c6bf2>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: cf61a120 ebx: cff36ca0 ecx: 00000040 edx: 00000000
esi: 00000000 edi: ffffffd8 edp: 00000000 esp: c140beb8
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c140b000)
Stack: cff368a8 cff369a0 00000000 cff36ca0 00000010 cff369fc c01e970e 00000000
cf61a120 00000000 00000001 008c6f69 cff36ca0 cff369a0 00000000 cff368a8
cff36ea0 00000000 00000000 cff67a40 0138e040 c01e9b1d 00000000 a08c72ca
Call Trace: [<c01e970e>] [<d08c6f69>] [<c01e9b1d>] [<d08c72ca>] [<c0108a65>]
[<c01059ec>] [<c01059ec>] [<c010aef8>] [<c01059ec>] [<c01059ec>] [<c0105a18>]
[<c0105912>] [<c0117954>]
Code: 8b 42 dc a9 00 00 80 00 0f 84 e0 00 00 00 25 ff ff 7f ff 89

>>EIP; d08c6bf2 <[usb-uhci]process_iso+7e/38c> <=====
Trace; c01e970e <start_request+272/3e4>
Trace; d08c6f68 <[usb-uhci]process_urb+68/2ec>
Trace; c01e9b1c <ide_do_request+29c/2f4>
Trace; d08c72ca <[usb-uhci]uhci_interrupt+de/1a4>
Trace; c0108a64 <do_IRQ+f0/16c>
Trace; c01059ec <default_idle+0/38>
Trace; c01059ec <default_idle+0/38>
Trace; c010aef8 <call_do_IRQ+6/e>
Trace; c01059ec <default_idle+0/38>
Trace; c01059ec <default_idle+0/38>
Trace; c0105a18 <default_idle+2c/38>
Trace; c0105912 <cpu_idle+42/58>
Trace; c0117954 <printk+270/28c>
Code; d08c6bf2 <[usb-uhci]process_iso+7e/38c>
00000000 <_EIP>:
Code; d08c6bf2 <[usb-uhci]process_iso+7e/38c> <=====
0: 8b 42 dc mov 0xffffffdc(%edx),%eax <=====
Code; d08c6bf4 <[usb-uhci]process_iso+80/38c>
3: a9 00 00 80 00 test $0x800000,%eax
Code; d08c6bfa <[usb-uhci]process_iso+86/38c>
8: 0f 84 e0 00 00 00 je ee <_EIP+0xee> d08c6ce0 <[usb-uhci]process_iso+16c/38c>
Code; d08c6c00 <[usb-uhci]process_iso+8c/38c>
e: 25 ff ff 7f ff and $0xff7fffff,%eax
Code; d08c6c04 <[usb-uhci]process_iso+90/38c>
13: 89 00 mov %eax,(%eax)

--
Jeff DeFouw <defouwj@purdue.edu>

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