This is a followup message to my previous report with more detailed
information this time.
summary:
Kernel reports BUG in filemap.c
full description:
The bug message shows up "from time to time" but can also be
reproduced on my system (see below).
After such a message gets displayed the system keeps running
without noticeable problems.
kernel version:
Linux version 2.4.21-pre7-ac1 (tom@thunder) (gcc version 3.2.3 20030331
(Debian prerelease))
additional patches applied to the kernel:
acpi-20030328 [ url:
http://sourceforge.net/project/showfiles.php?group_id=36832 ]
i810fb (0.0.35-lite) [ url: http://i810fb.sourceforge.net/ ]
output of Oops:
ksymoops 2.4.8 on i686 2.4.21-pre7-ac1. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.21-pre7-ac1/ (default)
-m /boot/System.map-2.4.21-pre7-ac1 (specified)
kernel BUG at filemap.c:81!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c012d03e>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 0a610000 ebx: 00000000 ecx: c11a5fe0 edx: cfe75c5c
esi: c11a5fe0 edi: cfe75c5c ebp: cd98a820 esp: cd66feb4
ds: 0018 es: 0018 ss: 0018
Process hdparm (pid: 248, stackpage=cd66f000)
Stack: 00000000 c012da32 cd6767e4 00003643 cfe75c5c c012dad6 c11a5fe0 cd6767e4
00003643 cfe75c5c c11a5fe0 00000004 0000363f cd98a820 004a8530 c012e119
0000001f 00000020 00003621 cd98a820 c11a663c cd6767e4 00003621 c012e50c
Call Trace: [<c012da32>] [<c012dad6>] [<c012e119>] [<c012e50c>]
[<c012e8d0>]
[<c012ea18>] [<c012e8d0>] [<c013be03>] [<c010740f>]
Code: 0f 0b 51 00 3d 55 2e c0 ff 05 64 a2 32 c0 5b c3 89 f6 83 ec
>>EIP; c012d03e <do_readahead+7e/a0> <=====
>>ecx; c11a5fe0 <_end+de47fc/145b287c>
>>edx; cfe75c5c <_end+fab4478/145b287c>
>>esi; c11a5fe0 <_end+de47fc/145b287c>
>>edi; cfe75c5c <_end+fab4478/145b287c>
>>ebp; cd98a820 <_end+d5c903c/145b287c>
>>esp; cd66feb4 <_end+d2ae6d0/145b287c>
Trace; c012da32 <madvise_fixup_middle+a2/190>
Trace; c012dad6 <madvise_fixup_middle+146/190>
Trace; c012e119 <sys_mincore+79/140>
Trace; c012e50c <generic_file_write+27c/760>
Trace; c012e8d0 <generic_file_write+640/760>
Trace; c012ea18 <remove_suid+28/70>
Trace; c012e8d0 <generic_file_write+640/760>
Trace; c013be03 <write_some_buffers+13/e0>
Trace; c010740f <simd_coprocessor_error+3/c>
Code; c012d03e <do_readahead+7e/a0>
00000000 <_EIP>:
Code; c012d03e <do_readahead+7e/a0> <=====
0: 0f 0b ud2a <=====
Code; c012d040 <do_readahead+80/a0>
2: 51 push %ecx
Code; c012d041 <do_readahead+81/a0>
3: 00 3d 55 2e c0 ff add %bh,0xffc02e55
Code; c012d047 <do_readahead+87/a0>
9: 05 64 a2 32 c0 add $0xc032a264,%eax
Code; c012d04c <do_readahead+8c/a0>
e: 5b pop %ebx
Code; c012d04d <do_readahead+8d/a0>
f: c3 ret
Code; c012d04e <do_readahead+8e/a0>
10: 89 f6 mov %esi,%esi
Code; c012d050 <do_readahead+90/a0>
12: 83 ec 00 sub $0x0,%esp
problem can be triggered by:
hdparm -tT
software:
Debian Sid (unstable)
ver_linux script reports:
Linux thunder 2.4.21-pre7-ac1 #2 Die Apr 15 23:02:39 CEST 2003 i686 unknown
unknown GNU/Linux
Gnu C 3.2.3
Gnu make 3.80
util-linux 2.11y
mount 2.11y
modutils 2.4.21
e2fsprogs 1.32
pcmcia-cs 3.2.2
Linux C Library 2.3.1
Dynamic linker (ldd) 2.3.1
Procps 3.1.6
Net-tools 1.60
Console-tools 0.2.3
Sh-utils 4.5.9
Modules Loaded nls_iso8859-15 nls_cp437 sonypi rtc
processor information:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 10
cpu MHz : 695.567
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat
pse36 mmx fxsr sse
bogomips : 1389.36
lspci output:
http://www.wnk.at/tmp/lspci.txt
dmesg output:
http://www.wnk.at/tmp/dmesg.txt
bye,
-- Tom Winkler e-mail: tom@qwws.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/