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SubjectRe: Oops in block_read_full_page() in test10-pre6
I JUST got the same oops. But daylight savings happened 9 or so hours
ago here.

davej@suse.de wrote:
>
> Wierd thing about this oops is that it happened just
> as I ticked over between the daylight savings adjustment,
> and the system clock changed itself.
>
> Coincidence ? :)
>
> Unable to handle kernel NULL pointer dereference at virtual address
> 00000010
> c012efaa
> *pde = 00000000
> Oops: 0000
> CPU: 0
> EIP: 0010:[<c012efaa>]
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010282
> eax: 00000000 ebx: 00000000 ecx: c11c3474 edx: c11c3448
> esi: c11c3448 edi: c5bf75fc ebp: 00000000 esp: c201bee4
> ds: 0018 es: 0018 ss: 0018
> Process bash (pid: 13794, stackpage=c201b000)
> Stack: 00000000 c11c3448 c5bf75fc 00000000 0000001a 00000000 c02d3540
> 00000246
> c0121c6e 00000000 c11c3448 c5bf75fc 00000000 c201bf1c 01234567
> c201a000
> c11c3474 c11c3474 c014ae7e c11c3448 c014a7f8 c0122535 c468c860
> c11c3448
> Call Trace: [<c0121c6e>] [<c014ae7e>] [<c014a7f8>] [<c0122535>]
> [<c0122821>]
> [<c0122760>] [<c012cad5>]
> [<c010a613>]
> Code: 8b 40 10 89 44 24 24 c7 44 24 18 00 00 00 00 8b 42 18 a8 01
>
> >>EIP; c012efaa <block_read_full_page+e/1f4> <=====
> Trace; c0121c6e <___wait_on_page+ca/d4>
> Trace; c014ae7e <ext2_readpage+e/14>
> Trace; c014a7f8 <ext2_get_block+0/480>
> Trace; c0122535 <do_generic_file_read+2ad/4d8>
> Trace; c0122821 <generic_file_read+59/74>
> Trace; c0122760 <file_read_actor+0/68>
> Trace; c012cad5 <sys_read+95/cc>
> Trace; c010a613 <system_call+33/40>
> Code; c012efaa <block_read_full_page+e/1f4>
> 00000000 <_EIP>:
> Code; c012efaa <block_read_full_page+e/1f4> <=====
> 0: 8b 40 10 mov 0x10(%eax),%eax <=====
> Code; c012efad <block_read_full_page+11/1f4>
> 3: 89 44 24 24 mov %eax,0x24(%esp,1)
> Code; c012efb1 <block_read_full_page+15/1f4>
> 7: c7 44 24 18 00 00 00 movl $0x0,0x18(%esp,1)
> Code; c012efb8 <block_read_full_page+1c/1f4>
> e: 00
> Code; c012efb9 <block_read_full_page+1d/1f4>
> f: 8b 42 18 mov 0x18(%edx),%eax
> Code; c012efbc <block_read_full_page+20/1f4>
> 12: a8 01 test $0x1,%al
>
> --
> | Dave Jones <davej@suse.de> http://www.suse.de/~davej
> | SuSE Labs
>
> -
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mhaque@haque.net

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Don't drink and derive." --Unknown http://wm.themes.org/
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