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SubjectRe: OOPS in 2.4.21-pre5, ide-scsi
Date
> > strange looks alot like the ones i have seen though the whole 2.4.x
tree.
> >
> > this was discussed before somebody said they would send a patch myself
> > and sombody else were going to test it but the patch never happens.
> > >From what i can work out an error occurs on the cd drive and the
request
> > queue is then empty and the ide-scsi driver then attempts to access the
> > reuest queue that doesnt exist i never did manage to find out
> > where the request get removed from the queue though.
>
> Your explanation doesn't quite make sense, but I can take a look at the
> problem :-)
>
> What kernel is the below oops from? What compiler?

i can trigger this on any 2.4.x series kernel.
-> Insert dmaged / lightly scratched cd into drive
dd /dev/scd0 bs=8192k of=file
wait for opps.
opps also cd tries to re read several times
short hang then the following output

gcc versions.
Whatever shits with redhat 7.1 + 7.2 + 7.3 and the
updates between them in each of the redhat versions.
but normally
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)

or
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-113)

> > *pde = 00000000
> > Oops: 0000
> > CPU: 0
> > EIP: 0010:[<c01e5783>] Not tainted
> > Using defaults from ksymoops -t elf32-i386 -a i386
> > EFLAGS: 00010202
> > eax: 00000000 ebx: c7a71000 ecx: c0327104 edx: 00000000
> > esi: 00000001 edi: c13a4fc0 ebp: cb23df58 esp: cb23df44
> > ds: 0018 es: 0018 ss: 0018
> > Process klogd (pid: 381, stackpage=cb23d000)
> > Stack: 00000000 c0327294 c13de260 c0327294 00000202 cb23df78 c01cdd11
> > c0327294
> > c01e5700 c0327104 c121db00 04000001 0000000f cb23df98 c010a0bd
> > 0000000f
> > c13de260 cb23dfc4 cb23dfc4 0000000f c02f8ae0 cb23dfbc c010a24d
> > 0000000f
> > Call Trace: [<c01cdd11>] [<c01e5700>] [<c010a0bd>] [<c010a24d>]
[<c010c358>]
> > Code: 8b 72 18 46 89 72 18 8b 55 f0 8b 82 f0 00 00 00 8b 58 04 53
> >
> > >>EIP; c01e5783 <idescsi_pc_intr+83/290> <=====
> > Trace; c01cdd11 <ide_intr+c1/120>
> > Trace; c01e5700 <idescsi_pc_intr+0/290>
> > Trace; c010a0bd <handle_IRQ_event+3d/70>
> > Trace; c010a24d <do_IRQ+7d/c0>
> > Trace; c010c358 <call_do_IRQ+5/d>
> > Code; c01e5783 <idescsi_pc_intr+83/290>
> > 00000000 <_EIP>:
> > Code; c01e5783 <idescsi_pc_intr+83/290> <=====
> > 0: 8b 72 18 mov 0x18(%edx),%esi <=====
> > Code; c01e5786 <idescsi_pc_intr+86/290>
> > 3: 46 inc %esi
> > Code; c01e5787 <idescsi_pc_intr+87/290>
> > 4: 89 72 18 mov %esi,0x18(%edx)
> > Code; c01e578a <idescsi_pc_intr+8a/290>
> > 7: 8b 55 f0 mov 0xfffffff0(%ebp),%edx
> > Code; c01e578d <idescsi_pc_intr+8d/290>
> > a: 8b 82 f0 00 00 00 mov 0xf0(%edx),%eax
> > Code; c01e5793 <idescsi_pc_intr+93/290>
> > 10: 8b 58 04 mov 0x4(%eax),%ebx
> > Code; c01e5796 <idescsi_pc_intr+96/290>
> > 13: 53 push %ebx
> >
> > <0>Kernel panic: Aiee, killing interrupt handler!
> >
> > 1 warning issued. Results may not be reliable.
>
> --
> Jens Axboe


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