I recently noticed that I was getting oopsen when writing
the trident OSS driver. Different applications make it fail
in different ways. I've attached an oops from an mpg123 run.
I'm not sure when this started happening, but pre7 does it
as well.
cheers,
aaron
Unable to handle kernel NULL pointer dereference at virtual address 00000000
d084cb05
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<d084cb05>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010292
eax: 00000016 ebx: c1540a48 ecx: c025f874 edx: c025f874
esi: c1540a64 edi: c1540a48 ebp: cfd6e520 esp: ceda3f38
ds: 0018 es: 0018 ss: 0018
Process esd (pid: 550, stackpage=ceda3000)
Stack: d084d7a0 cfd6e520 c15332c0 cf0f4e40 cf1e4760 c1540a84 c0134dff cf0f4e40
cfd6e520 ceda2000 cfd6e520 cfd6e520 fffffff7 c0134e8c cfd6e520 cfd6e520
cfd6e520 00000000 c0133c27 cfd6e520 ceda2000 00000004 c0133cd8 cfd6e520
Call Trace: [<d084d7a0>] [<c0134dff>] [<c0134e8c>] [<c0133c27>] [<c0133cd8>] [<c
Code: c7 05 00 00 00 00 00 00 00 00 83 c4 04 89 d9 f0 ff 01 0f 8e
>>EIP; d084cb05 <[trident]trident_release+161/190> <=====
Trace; d084d7a0 <[trident].rodata.start+0/20c>
Trace; c0134dff <__fput+23/7c>
Trace; c0134e8c <_fput+34/ac>
Trace; c0133c27 <filp_close+57/60>
Trace; c0133cd8 <do_close+a8/f8>
Trace; c0133d34 <sys_close+c/10>
Trace; c010b33c <system_call+34/38>
Code; d084cb05 <[trident]trident_release+161/190>
00000000 <_EIP>:
Code; d084cb05 <[trident]trident_release+161/190> <=====
0: c7 05 00 00 00 00 00 movl $0x0,0x0 <=====
Code; d084cb0c <[trident]trident_release+168/190>
7: 00 00 00
Code; d084cb0f <[trident]trident_release+16b/190>
a: 83 c4 04 add $0x4,%esp
Code; d084cb12 <[trident]trident_release+16e/190>
d: 89 d9 mov %ebx,%ecx
Code; d084cb14 <[trident]trident_release+170/190>
f: f0 ff 01 lock incl (%ecx)
Code; d084cb17 <[trident]trident_release+173/190>
12: 0f 8e 00 00 00 00 jle 18 <_EIP+0x18> d084cb1d <[trident]tride
Preceding the oops was this:
"bad magic 5a5a5a5a (should be c1540a64), wq bug, forcing oops."
Which is odd because I can't seem to find the string c154 anywhere
in there source
Sytem Details:
Abit BP6 w/ 2x Celeron 366
2x 128MB dimm
Trident 4dwave
Matrox g400
SB vibra 16
Adaptec 2940 SCSI w/ Tosh DVD
Quantum LM15 on BX IDE interface
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This archive was generated by hypermail 2b29 : Mon May 15 2000 - 22:17:04 EDT