On Tuesday 11 June 2002 1:00 am, Greg KH wrote:
> On Mon, Jun 10, 2002 at 11:54:33PM +0200, Duncan Sands wrote:
> > If you like I will try to find exactly out when the bug appeared.
>
> I would appreciate it.
Hi Greg, the bug seems to have come in between pre7 and pre8.
(This is not completely certain because I can't produce the oops
reliably). The oops from pre8 is below (same oops in pre9 and
pre10). I will try to track it down further.
Duncan.
PS: The process pppoa2 is the userspace driver for the Alcatel speedtouch
modem.
ksymoops 2.4.5 on i586 2.4.19-pre9. Options used
-V (default)
-k /var/log/ksymoops/20020611221002.ksyms (specified)
-l /var/log/ksymoops/20020611221002.modules (specified)
-o /lib/modules/2.4.19-pre8/ (specified)
-m /boot/System.map-2.4.19-pre8 (specified)
Jun 11 22:10:02 baldrick kernel: Unable to handle kernel paging request at virtual
address 01b80000
c01b3663
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01b3663>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 01b80000 ebx: 00000000 ecx: 0807010e edx: 20000100
esi: 00000000 edi: 01b80000 ebp: ca5e94c0 esp: c8fc1eac
ds: 0018 es: 0018 ss: 0018
Process pppoa2 (pid: 1849, stackpage=c8fc1000)
Stack: 00000000 00000000 c01bcaf4 ca5e94c0 c8000018 c01b36a0 c01b36e6 01b80000
20000100 00000000 ca5e94c0 c8fc1fb0 c013ab00 00000000 00000001 cbb52800
ca5e94c0 30303136 35373434 c01b0035 c01bcaf4 20000100 00000000 ca5e94c0
Call Trace: [<c01bcaf4>] [<c01b36a0>] [<c01b36e6>] [<c013ab00>] [<c01b0035>]
[<c01bcaf4>] [<c013ab00>] [<c013ab00>] [<c01b0034>] [<c013ab00>] [<c013a779>]
[<c013ab00>] [<c013ac63>] [<c013ab00>] [<c013a16b>] [<c01085c3>]
Code: ff 37 68 79 16 21 c0 8d 74 24 18 56 e8 cc d4 03 00 83 c4 0c
>>EIP; c01b3663 <bus_readdir+1b/bc> <=====
>>eax; 01b80000 Before first symbol
>>ecx; 0807010e Before first symbol
>>edx; 20000100 Before first symbol
>>edi; 01b80000 Before first symbol
>>ebp; ca5e94c0 <_end+a35528c/c594dcc>
>>esp; c8fc1eac <_end+8d2dc78/c594dcc>
Trace; c01bcaf4 <default_rebuild_header+0/44>
Trace; c01b36a0 <bus_readdir+58/bc>
Trace; c01b36e6 <bus_readdir+9e/bc>
Trace; c013ab00 <filldir64+0/114>
Trace; c01b0035 <usb_hub_port_reset+8d/94>
Trace; c01bcaf4 <default_rebuild_header+0/44>
Trace; c013ab00 <filldir64+0/114>
Trace; c013ab00 <filldir64+0/114>
Trace; c01b0034 <usb_hub_port_reset+8c/94>
Trace; c013ab00 <filldir64+0/114>
Trace; c013a779 <vfs_readdir+59/7c>
Trace; c013ab00 <filldir64+0/114>
Trace; c013ac63 <sys_getdents64+4f/b3>
Trace; c013ab00 <filldir64+0/114>
Trace; c013a16b <sys_fcntl64+7f/88>
Trace; c01085c3 <system_call+33/40>
Code; c01b3663 <bus_readdir+1b/bc>
00000000 <_EIP>:
Code; c01b3663 <bus_readdir+1b/bc> <=====
0: ff 37 pushl (%edi) <=====
Code; c01b3665 <bus_readdir+1d/bc>
2: 68 79 16 21 c0 push $0xc0211679
Code; c01b366a <bus_readdir+22/bc>
7: 8d 74 24 18 lea 0x18(%esp,1),%esi
Code; c01b366e <bus_readdir+26/bc>
b: 56 push %esi
Code; c01b366f <bus_readdir+27/bc>
c: e8 cc d4 03 00 call 3d4dd <_EIP+0x3d4dd> c01f0b40 <sprintf+0/18>
Code; c01b3674 <bus_readdir+2c/bc>
11: 83 c4 0c add $0xc,%esp
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