Got this while trying to mount the rootfs. It was ext3 if that makes
any diff.
ksymoops 2.4.8 on i686 2.6.0-test3-mm1. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.6.0-test3-mm1/ (default)
-m /usr/src/2.5/linux-2.6.0-test2/System.map (specified)
Error (regular_file): read_ksyms stat /proc/ksyms failed
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
<4>kernel BUG at mm/filemap.c:1930!
<4>invalid operand: 0000 [#1]
<4>CPU: 0
<4>EIP: 0060:[<c0137d19>] Not tainted VLI
Using defaults from ksymoops -t elf32-i386 -a i386
<4>EFLAGS: 00010286
<4>eax: dfa7d140 ebx: 001f0000 ecx: dfbff3d8 edx: dfb9e298
<4>esi: 00000000 edi: dfb61f6c ebp: dfb61e84 esp: dfb61e40
<4>ds: 007b es: 007b ss: 0068
<4>Stack: dfb78000 00000015 dfb60000 dfb60000 c01357bc dfd87980 dfd87a10 dfd65cc0
<4> dfb61e84 dfd65cc0 dfd65ce0 00001000 c0137e92 dfb61e84 dfb61f6c 00000001
<4> dfd65ce0 dfd65c40 00000246 00000000 00000001 ffffffff dfd65cc0 dfd5f2e8
<4>Call Trace:
<4> [<c01357bc>] find_get_page+0x2c/0x60
<4> [<c0137e92>] generic_file_write_nolock+0xa2/0xc0
<4> [<c011c2d0>] autoremove_wake_function+0x0/0x50
<4> [<c01b50b0>] tty_write+0x0/0x300
<4> [<c0118cf1>] do_page_fault+0x251/0x454
<4> [<c01b514f>] tty_write+0x9f/0x300
<4> [<c015830f>] blkdev_put+0xcf/0x1b0
<4> [<c0158440>] blkdev_file_write+0x0/0x40
<4> [<c0158477>] blkdev_file_write+0x37/0x40
<4> [<c014fa78>] vfs_write+0xb8/0x130
<4> [<c0157300>] block_llseek+0x0/0xe0
<4> [<c014fba2>] sys_write+0x42/0x70
<4> [<c02ba907>] syscall_call+0x7/0xb
<4>Code: eb f2 8b 44 24 40 89 7c 24 04 c7 44 24 08 01 00 00 00 89 2c 24 89 44 24 0c e8 94 f4 ff ff 83 7d 10 ff 89 c7 75 ce e9 6f ff ff ff <0f> 0b 8a 07 7f f0 2c c0 e9 53 ff ff ff 8d 76 00 8d bc 27 00 00
>>EIP; c0137d19 <generic_file_aio_write_nolock+e9/100> <=====
>>eax; dfa7d140 <_end+1f6c1d88/3fc41c48>
>>ecx; dfbff3d8 <_end+1f844020/3fc41c48>
>>edx; dfb9e298 <_end+1f7e2ee0/3fc41c48>
>>edi; dfb61f6c <_end+1f7a6bb4/3fc41c48>
>>ebp; dfb61e84 <_end+1f7a6acc/3fc41c48>
>>esp; dfb61e40 <_end+1f7a6a88/3fc41c48>
Trace; c01357bc <find_get_page+2c/60>
Trace; c0137e92 <generic_file_write_nolock+a2/c0>
Trace; c011c2d0 <autoremove_wake_function+0/50>
Trace; c01b50b0 <tty_write+0/300>
Trace; c0118cf1 <do_page_fault+251/454>
Trace; c01b514f <tty_write+9f/300>
Trace; c015830f <blkdev_put+cf/1b0>
Trace; c0158440 <blkdev_file_write+0/40>
Trace; c0158477 <blkdev_file_write+37/40>
Trace; c014fa78 <vfs_write+b8/130>
Trace; c0157300 <block_llseek+0/e0>
Trace; c014fba2 <sys_write+42/70>
Trace; c02ba907 <syscall_call+7/b>
Code; c0137cee <generic_file_aio_write_nolock+be/100>
00000000 <_EIP>:
Code; c0137cee <generic_file_aio_write_nolock+be/100>
0: eb f2 jmp fffffff4 <_EIP+0xfffffff4>
Code; c0137cf0 <generic_file_aio_write_nolock+c0/100>
2: 8b 44 24 40 mov 0x40(%esp,1),%eax
Code; c0137cf4 <generic_file_aio_write_nolock+c4/100>
6: 89 7c 24 04 mov %edi,0x4(%esp,1)
Code; c0137cf8 <generic_file_aio_write_nolock+c8/100>
a: c7 44 24 08 01 00 00 movl $0x1,0x8(%esp,1)
Code; c0137cff <generic_file_aio_write_nolock+cf/100>
11: 00
Code; c0137d00 <generic_file_aio_write_nolock+d0/100>
12: 89 2c 24 mov %ebp,(%esp,1)
Code; c0137d03 <generic_file_aio_write_nolock+d3/100>
15: 89 44 24 0c mov %eax,0xc(%esp,1)
Code; c0137d07 <generic_file_aio_write_nolock+d7/100>
19: e8 94 f4 ff ff call fffff4b2 <_EIP+0xfffff4b2>
Code; c0137d0c <generic_file_aio_write_nolock+dc/100>
1e: 83 7d 10 ff cmpl $0xffffffff,0x10(%ebp)
Code; c0137d10 <generic_file_aio_write_nolock+e0/100>
22: 89 c7 mov %eax,%edi
Code; c0137d12 <generic_file_aio_write_nolock+e2/100>
24: 75 ce jne fffffff4 <_EIP+0xfffffff4>
Code; c0137d14 <generic_file_aio_write_nolock+e4/100>
26: e9 6f ff ff ff jmp ffffff9a <_EIP+0xffffff9a>
Code; c0137d19 <generic_file_aio_write_nolock+e9/100> <=====
2b: 0f 0b ud2a <=====
Code; c0137d1b <generic_file_aio_write_nolock+eb/100>
2d: 8a 07 mov (%edi),%al
Code; c0137d1d <generic_file_aio_write_nolock+ed/100>
2f: 7f f0 jg 21 <_EIP+0x21>
Code; c0137d1f <generic_file_aio_write_nolock+ef/100>
31: 2c c0 sub $0xc0,%al
Code; c0137d21 <generic_file_aio_write_nolock+f1/100>
33: e9 53 ff ff ff jmp ffffff8b <_EIP+0xffffff8b>
Code; c0137d26 <generic_file_aio_write_nolock+f6/100>
38: 8d 76 00 lea 0x0(%esi),%esi
Code; c0137d29 <generic_file_aio_write_nolock+f9/100>
3b: 8d .byte 0x8d
Code; c0137d2a <generic_file_aio_write_nolock+fa/100>
3c: bc .byte 0xbc
Code; c0137d2b <generic_file_aio_write_nolock+fb/100>
3d: 27 daa
1 error issued. Results may not be reliable.
--
---
Josh McKinney | Webmaster: http://joshandangie.org
--------------------------------------------------------------------------
Linux, the choice | They that can give up essential liberty
of a GNU generation -o) | to obtain a little temporary safety deserve
Kernel 2.4.20-ck6 /\ | neither liberty or safety.
on a Athlon-XP _\_v | -Benjamin Franklin
On Sat, 16 Aug 2003, Josh McKinney wrote:
> <4>kernel BUG at mm/filemap.c:1930!
Frequently Reported BUG, see archives, just delete mm/filemap.c line 1930.
Hugh
On Sat, 2003-08-16 at 20:09, Josh McKinney wrote:
> Got this while trying to mount the rootfs. It was ext3 if that makes
> any diff.
>
> ksymoops 2.4.8 on i686 2.6.0-test3-mm1. Options used
> -V (default)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -o /lib/modules/2.6.0-test3-mm1/ (default)
> -m /usr/src/2.5/linux-2.6.0-test2/System.map (specified)
>
> Error (regular_file): read_ksyms stat /proc/ksyms failed
> No modules in ksyms, skipping objects
> No ksyms, skipping lsmod
> <4>kernel BUG at mm/filemap.c:1930!
Please, edit mm/filemap.c and remove the line #1390. It's a BUG_ON()
macro that is complete harmless. Once you have removed that line,
recompile the kernel.