Re: [BUG] 2.6.24-git6 soft lockup detected while running libhugetlbfs

From: Kamalesh Babulal
Date: Wed Jan 30 2008 - 12:20:38 EST


Ingo Molnar wrote:
> * Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx> wrote:
>
>> Softlockup is detected while running libhugetlbfs on the 2.6.24-git6
>> kernel. The machine is a Pentium III (Cascades) 16 cpu machine.
>>
>> BUG: soft lockup - CPU#13 stuck for 61s! [swapper:0]
>
> is nohz enabled? And the system did not truly lock up, right?
>
> Ingo
> --
Hi Ingo,

The CONFIG_NO_HZ is not set and the system seems not be truly locked up
,btw wc -l of the softlockup messages is around 108 times, while running
the libhugetlbfs only and this is reproducible with the 2.6.24-git7 also.

--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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