Got an oops the other day when trying to 'make clean' in /usr/src/linux.
/dev/hda5 is mounted at /usr/src. Kernel was built with gcc 2.7.2.3 and
binutils 2.9.1.0.4. I believe this condition also exists in 2.1.pre104
uniprocessor as well.
These kernel messages occurred prior to the OOPS. The problem hasn't
surfaced on SMP-built kernels.
May 22 19:55:43 uyema kernel: EXT2-fs warning (device 03:0a): \
ext2_free_blocks: bit already cleared for block 83510
May 22 19:55:43 uyema kernel: EXT2-fs warning (device 03:0a): \
ext2_free_blocks: bit already cleared for block 83518
May 22 19:55:43 uyema kernel: EXT2-fs warning (device 03:0a): \
ext2_free_blocks: bit already cleared for block 83522
I managed to forget the oops and ksymoops attachment files. silly me.
--CE+1k2dSO48ffgeK
Content-Type: text/plain
Content-Disposition: attachment; filename="oops.txt"
Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 05bc3000, %cr3 = 05bc3000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c011f5a9>]
EFLAGS: 00010202
eax: 00000039 ebx: c009e080 ecx: c5e64000 edx: c01d6988
esi: c4e04880 edi: 00000202 ebp: 002ca5c3 esp: c3faff64
ds: 0018 es: 0018 ss: 0018
Process rm (pid: 3655, process nr: 22, stackpage=c3faf000)
Stack: c3cd7780 c4139b00 c3cd7640 00000012 c3cd7660 c4e048bc c3cd7640 c012ef0d
c4e04880 c3cd7780 c4f96ea0 c3cd7780 c4f96ea0 c012f0d3 00000012 ffffffff
c012b3e0 c3cd7780 c3fae000 0804c5f9 0804c5fd bffff1ac c5e53000 c01097f8
Call Trace: [<c012ef0d>] [<c012f0d3>] [<c012b3e0>] [<c01097f8>]
Code: c7 05 00 00 00 00 00 00 00 00 5b 5e 5f 5d 83 c4 0c c3 90 56
--CE+1k2dSO48ffgeK
Content-Type: text/plain
Content-Disposition: attachment; filename="ksymoops.txt"
Using `/boot/System.map-2.1.103' to map addresses to symbols.
>>EIP: c011f5a9 <kfree+181/1b4>
Trace: c012ef0d <prune_dcache+b1/d0>
Trace: c012f0d3 <shrink_dcache_parent+1b/24>
Trace: c012b3e0 <sys_rmdir+120/184>
Trace: c01097f8 <system_call+38/3c>
Code: c011f5a9 <kfree+181/1b4>
Code: c011f5a9 <kfree+181/1b4> c7 05 00 00 00 movl $0x0,0x0
Code: c011f5ae <kfree+186/1b4> 00 00 00 00 00
Code: c011f5b9 <kfree+191/1b4> 5b popl %ebx
Code: c011f5ba <kfree+192/1b4> 5e popl %esi
Code: c011f5bb <kfree+193/1b4> 5f popl %edi
Code: c011f5bc <kfree+194/1b4> 5d popl %ebp
Code: c011f5bd <kfree+195/1b4> 83 c4 0c addl $0xc,%esp
Code: c011f5c0 <kfree+198/1b4> c3 ret
Code: c011f5c1 <kfree+199/1b4> 90 nop
Code: c011f5c2 <kfree+19a/1b4> 56 pushl %esi
--CE+1k2dSO48ffgeK--
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