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SubjectRe: Undo aic7xxx changes (now rc7+aic20030603)

On Fri, Jun 06, 2003 at 11:04:08AM +0200, Stephan von Krawczynski wrote:
> > No, it did crashed in allocation code (you skipped one trace line):
> > Jun 5 16:53:55 admin kernel: Call Trace: [__kmem_cache_alloc+107/304]
> > [kmem_cache_grow+508/624]
> > [__kmem_cache_alloc+125/304]+[get_mem_for_virtual_node+87/224]
> > [fix_nodes+198/1008]
> >
> > And the EIP is in kmem_cache_alloc_batch, sounds like it tripped on bad
> > pointer or something like this. So something is corrupting slab lists it
> > seems.
> I agree with you. Only problem is: how can I find out what caused the problem.

Probably by careful code observations.

> The only thing I can tell is that the box never hangs when using only HDs on
> the aic & 3ware controllers. As soon as I begin to use a SDLT drive on aic
> things get fishy.

You do not have reiserfs filesystem on a tape drive, right? ;)
But thhat reduces the region to review to parts thqt deal with tape devices and
tape-specific stuff, it seems.

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