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SubjectRe: GPF in 2.0.26 _load__block_bitmap
Date

> any idea about the reason of the following general protection failure
> in Linux 2.0.26?

i just happened again :-( at exactly the same EIP.
and again it was "sendmail" which was running when this happened; can't
be a random event, can it ?

actually "sendmail" is a pretty old version of "smail":
# smail -V
/\==/\ Smail3.1.28.1 #28.20
ll /usr/bin/smail
-r-sr-xr-x 1 root bin 222212 Oct 21 1993 /usr/bin/smail
and it tried to write an outgoing mail to my UUCP spool area both times...

I've compiled this kernel image on November 25 and it run flawlessly
24 hours a day since then and it sent ~300 mails with no problem at all.
and now two kernel problems within one hour ???

this is ne 2nd crash; I'll compile 2.0.27 now...


general protection: 0000
CPU: 0
EIP: 0010:[<00170f6a>]
EFLAGS: 00010202
eax: 00000002 ebx: 001f921c ecx: 0000001b edx: 00000003
esi: 0189fe14 edi: 00000006 ebp: 00036aae esp: 017a8f2c
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process sendmail (pid: 864, process nr: 39, stackpage=017a8000)
Stack: 001f921c 0000001b 003628b8 0017121f 001f921c 0000001b 0039fa80 003628b8
003628b8 bffff78c 010439b0 01eb2c00 00000aad 010433e0 0017736b 00174361
003628b8 00036aae 00000007 00172ebb 003628b8 0012c290 003628b8 0039fa80
Call Trace: [<0017121f>] [<0017736b>] [<00174361>] [<00172ebb>] [<0012c290>] [<0012c339>] [<0012c394>]
[<0010b8e2>]
Code: 8b bc 83 c4 00 00 00 89 bc 83 c8 00 00 00 48 85 c0 7f df 89
Using `System.map' to map addresses to symbols.
>>EIP: 170f6a <_load__block_bitmap+e2/280>
Trace: 17121f <_ext2_free_blocks+117/3c0>
Trace: 17736b <_ext2_unlink+22f/240>
Trace: 174361 <_ext2_discard_prealloc+31/60>
Trace: 172ebb <_ext2_release_file+13/18>
Trace: 12c290 <___fput+20/70>
Trace: 12c339 <_close_fp+59/70>
Trace: 12c394 <_sys_close+44/50>
Trace: 10b8e2 <_system_call+52/80>

Code: 170f6a <_load__block_bitmap+e2/280> movl 0xc4(%ebx,%eax,4),%edi
Code: 170f71 <_load__block_bitmap+e9/280> movl %edi,0xc8(%ebx,%eax,4)
Code: 170f78 <_load__block_bitmap+f0/280> decl %eax
Code: 170f79 <_load__block_bitmap+f1/280> testl %eax,%eax
Code: 170f7b <_load__block_bitmap+f3/280> jg fffffff2 <gcc2_compiled.+fffffff2>
Code: 170f7d <_load__block_bitmap+f5/280> movl %eax,(%eax)
Code: 170f7f <_load__block_bitmap+f7/280> nop
Code: 170f80 <_load__block_bitmap+f8/280> nop


Harald
--
All SCSI disks will from now on ___ _____
be required to send an email notice 0--,| /OOOOOOO\
24 hours prior to complete hardware failure! <_/ / /OOOOOOOOOOO\
\ \/OOOOOOOOOOOOOOO\
\ OOOOOOOOOOOOOOOOO|//
Harald Koenig, \/\/\/\/\/\/\/\/\/
Inst.f.Theoret.Astrophysik // / \\ \
koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^
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