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SubjectRe: [BUG][PPC64] BUG in 2.6.26.5-rt9 causing Hang
Hi Gregory,
* Gregory Haskins <ghaskins@novell.com> [2008-09-29 18:00:01]:

> Gregory Haskins wrote:
> > Gregory Haskins wrote:
> >
> >> Hi Chirag
> >>
> >> Chirag Jog wrote:
> >>
> >>
> >>> Hi Gregory,
> >>> We see the following BUG followed by a hang on the latest kernel 2.6.26.5-rt9 on a Power6 blade (PPC64)
> >>> It is easily recreated by running the async_handler or sbrk_mutex (realtime tests from ltp) tests.
> >>>
> >>>
> >>>
> >> Call me an LTP newbie, but where can I get the sbrk_mutex/async_handler
> >> tests.
> >>
> > Ok, I figured out this part. I needed a newer version of the .rpm from
> > a different repo. However, both async_handler and sbrk_mutex seem to
> > segfault for me. Hmm
> >
>
> Thanks to help from Darren I got around this issue. Unfortunately both
> tests pass so I cannot reproduce this issue, nor do I see the problem
> via code inspection. Ill keep digging but I am currently at a loss. I
> may need to send you some diagnostic patches to find this, if that is ok
> with you Chirag?
This particular bug is not producible on the x86 boxes, i have access
to. Only on ppc64.
Please send the diagnostic patches across.
I'll try them out! :)

--
-Thanks,Chirag


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