sounds oops in 2.1.70 with xmixer

Simon's Mailing List Account (slk@scan.shodor.org)
Thu, 4 Dec 1997 14:27:39 -0500 (EST)


this happened in 2.1.70 while trying to use xmixer.
this happens in .69, .68, and .67 also (dunno about earlier)
ohter mixers (aumix, xmix) work fie

Unable to handle kernel NULL pointer dereference at virtual address 00000030
current->tss.cr3 = 008a7000, %cr3 = 008a7000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01c4700>]
EFLAGS: 00010282
eax: 00000000 ebx: c782b000 ecx: 00000000 edx: 00000020
esi: 00000001 edi: c022c41c ebp: 00000030 esp: c148df44
ds: 0018 es: 0018 ss: 0018
Process xmixer (pid: 31057, process nr: 64, stackpage=c148d000)
Stack: 00000000 c782b000 c782b000 c01c480c 00000000 80304d65 c782b000 00000000
00000000 00000000 c01c2487 00000000 c022c41c 80304d65 c782b000 80304d65
c6586f60 bffffc58 00000004 c782b000 00000001 00000000 c012a44a c4e820f4
Call Trace: [<c782b000>] [<c782b000>] [<c01c480c>] [<c782b000>] [<c01c2487>] [<c
782b000>] [<c782b000>]
[<c012a44a>] [<c010994a>]
Code: 8a 44 02 10 88 44 14 1c 42 83 fa 1f 7e e6 c6 44 14 1c 00 8d

Using `/System.map' to map addresses to symbols.

>>EIP: c01c4700 <get_old_mixer_info+48/78>

Code: c01c4700 <get_old_mixer_info+48/78>
Code: c01c4700 <get_old_mixer_info+48/78> 8a 44 02 10 movb 0x10(%edx
,%eax,1),%al
Code: c01c4704 <get_old_mixer_info+4c/78> 88 44 14 1c movb %al,0x1c(
%esp,%edx,1)
Code: c01c4708 <get_old_mixer_info+50/78> 42 incl %edx
Code: c01c4709 <get_old_mixer_info+51/78> 83 fa 1f cmpl $0x1f,%ed
x
Code: c01c4712 <get_old_mixer_info+5a/78> 7e e6 jle fffffff4
<_EIP+fffffff4>
Code: c01c4714 <get_old_mixer_info+5c/78> c6 44 14 1c 00 movb $0x0,0x1c
(%esp,%edx,1)
Code: c01c4719 <get_old_mixer_info+61/78> 8d 00 leal (%eax),%e
ax
Code: c01c4721 <get_old_mixer_info+69/78> 90 nop
Code: c01c4722 <get_old_mixer_info+6a/78> 90 nop
Code: c01c4723 <get_old_mixer_info+6b/78> 90 nop

K6/166 (not buggy), HX board, 112MB RAM, MV Pro Sonic 16 soundcard
(MV jazz via the sb driver)

Simon Karpen slk@shodor.org
Sysadmin, Shodor Education Foundation

"On two occasions I have been asked [by members of Parliament!], `Pray,
Mr. Babbage, if you put into the machine wrong figures, will the right
answers come out?' I am not able rightly to apprehend the kind of
confusion of ideas that could provoke such a question."
-- Charles Babbage