[Powerpc/SLQB] Next June 06 : BUG during scsi initialization

Sachin Sant sachinp at in.ibm.com
Fri Jun 12 15:44:10 EST 2009


Nick Piggin wrote:
> I can't really work it out. It seems to be the kmem_cache_cache which has
> a problem, but there have already been lots of caches created and even
> this samw cache_node already used right beforehand with no problem.
>
> Unless a CPU or node comes up or something right at this point or the
> caller is scheduled onto a different CPU... oopses seem to all
> have CPU#1, wheras boot CPU is probably #0 (these CPUs are node 0
> and memory is only on node 1 and 2 where there are no CPUs if I read
> correctly).
>
> I still can't see the reason for the failure, but can you try this
> patch please and show dmesg?
I was able to boot yesterday's next (20090611) on this machine. Not sure
what changed(may be because of merge with linus tree), but i can no longer
recreate this issue with next 20090611. I was consistently able to
recreate the problem till June 10th next tree.

Thanks
-Sachin

-- 

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Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
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