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SubjectRe: 2.5.7: acct.c oops
Date
Bob Miller wrote:
> On Thu, Mar 21, 2002 at 09:50:10AM -0600, Bob_Tracy wrote:
> > Running "accton" (with or without arguments) consistently generates
> > an oops at linux/kernel/acct.c:169
> > BUG_ON(!spin_is_locked(&acct_globals.lock));
>
> Do you have the rest of the of oops message passed through ksymoops?
> I'll also try to reproduce here. TIA.

Synopsis: after a fresh boot, ran "accton" with no arguments. It died
with a segmentation violation, and generated an "oops".

Here's the ksymoops output. Since this involves the libc acct() function,
you'll probably be interested in the C library version as well: 2.2.3.
Compiler is "gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)".

====--CUT HERE--====
ksymoops 2.4.5 on i586 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /usr/src/linux/System.map (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
kernel BUG at acct.c:169!
invalid operand: 0000
CPU: 0
EIP: 0010:[acct_file_reopen+8/224] Not tainted
EFLAGS: 00010246
eax: d644d200 ebx: 00000000 ecx: 00000001 edx: 00000000
esi: 00000000 edi: d2d1e000 ebp: bffffa2c esp: d2d1ffa4
ds: 0018 es: 0018 ss: 0018
Stack: d2d1e000 00000000 c011cd89 00000000 d2d1e000 00000001 00000000 c0107007
00000000 00000001 bffffa94 00000001 00000000 bffffa2c 00000033 0000002b
0000002b 00000033 400e4e6d 00000023 00000246 bffffa14 0000002b
Call Trace: [sys_acct+197/232] [syscall_call+7/11]
Code: 0f 0b a9 00 ff dd 22 c0 a1 2c cb 2c c0 85 c0 74 2f 89 c6 68
Using defaults from ksymoops -t elf32-i386 -a i386


>>eax; d644d200 <END_OF_CODE+16150ed4/????>
>>edi; d2d1e000 <END_OF_CODE+12a21cd4/????>
>>ebp; bffffa2c Before first symbol
>>esp; d2d1ffa4 <END_OF_CODE+12a23c78/????>

Code; 00000000 Before first symbol
0000000000000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: a9 00 ff dd 22 test $0x22ddff00,%eax
Code; 00000007 Before first symbol
7: c0 a1 2c cb 2c c0 85 shlb $0x85,0xc02ccb2c(%ecx)
Code; 0000000e Before first symbol
e: c0 (bad)
Code; 0000000f Before first symbol
f: 74 2f je 40 <_EIP+0x40> 00000040 Before first symbol
Code; 00000011 Before first symbol
11: 89 c6 mov %eax,%esi
Code; 00000013 Before first symbol
13: 68 00 00 00 00 push $0x0


2 warnings issued. Results may not be reliable.
====--TUC EREH--====

--
-----------------------------------------------------------------------
Bob Tracy WTO + WIPO = DMCA? http://www.anti-dmca.org
rct@frus.com
-----------------------------------------------------------------------
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