News server HW: Single PII 266 w/ 128Mb RAM. 2x3Com 3x590 NICs. NCR53x875
based SCSI adapter.
When I came in on Monday morning, I wrote down the panic info on the console
and tried running a ksymoops on it. Here's what it found:
-----------------
./ksymoops: read_ksyms stat /proc/ksyms failedNo modules in ksyms, skipping
objects
No ksyms, skipping lsmod
Unable to handle kernel NULL pointer dereference at virtual address 00000004
current->tss.cr3 = 025c8000, %cr3 = 025c8000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c011f153>]
EFLAGS: 00010012
eax: 00000000 ebx: 0000219a ecx: ffffffff edx: 00000000
esi: 00004335 edi: c01f78e4 ebp: 00000217 esp: c69fbefc
ds: 0018 es: 0018 ss: 0018
stack: 00000400 00000400 c0141ec9 c02ba048 0865ff28 c522c060 0000c000 c009a400
c204b870 c4420600 c011b601 c522c060 c02ba048 0805ff28 00000000 00000400
00000000 c6bb0800 0805f328 c522c074 c522c060 c204b870 00000c00 00000000
call trace: [<c0141ec9>] [<c011b601>] [<c0141338>] [<c01412b4>] [<c0122244>]
[<c0108f00>]
code: 89 42 04 89 10 01 c9 83 c7 0c c1 eb 01 21 ce 81 f9 00 fe ff
Copying default arch from ksymoops, bfd_arch=8 bfd_mach=0
>>EIP; c011f153 <__free_page+97/d0>
Trace; c0141ec9 <nfs_updatepage+251/2fc>
Trace; c011b601 <generic_file_write+255/2d8>
Trace; c0141338 <nfs_file_write+84/8c>
Trace; c01412b4 <nfs_file_write+0/8c>
Trace; c0122244 <sys_write+c4/ec>
Trace; c0108f00 <system_call+34/38>
Code; c011f153 <__free_page+97/d0> 00000000 <_EIP>:
Code; c011f153 <__free_page+97/d0> 0: 89 42 04 movl
%eax,0x4(%edx)
Code; c011f156 <__free_page+9a/d0> 3: 89 10 movl
%edx,(%eax)
Code; c011f158 <__free_page+9c/d0> 5: 01 c9 addl
%ecx,%ecx
Code; c011f15a <__free_page+9e/d0> 7: 83 c7 0c addl
$0xc,%edi
Code; c011f15d <__free_page+a1/d0> a: c1 eb 01 shrl
$0x1,%ebx
Code; c011f160 <__free_page+a4/d0> d: 21 ce andl
%ecx,%esi
Code; c011f162 <__free_page+a6/d0> f: 81 f9 00 fe ff cmpl
$0xfffe00,%ecx
Code; c011f167 <__free_page+ab/d0> 14: 00
kernel panic: freeing swap cache
1 warning and 1 error issued. Results may not be reliable.
-----------------
I'll be trying vanilla 2.2.9 next (it's been working fine on other systems).
If any other info is needed, please let me know. (I don't want to send the
.config file to the list)
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"Shell programming can be a difficult lesson in frustration."
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