Re: [2.6.27-rc6 regression] Intermittent boot problem with2.6.27-rc6

[Zhang, Yanmin]

On Tue, 2008-09-16 at 13:04 -0700, Ravikiran G Thirumalai wrote:
> Hi,
> Booting 2.6.27-rc6, or the current Linus' git on large x86_64 NUMA wedges
> intermittently.  This happens on machines with more than 4 NUMA nodes.  The
> same kernel boots on similar hardware with fewer NUMA nodes (or boards).
> 2.6.27-rc3 seemed to boot well on similar configurations, so looks like a
> regression crept in between 2.6.27-rc3 and rc6.
> 
> I am trying a few things -- commandline options to eliminate popular
> suspects (such as unsynced tsc clocksources)  as well as git bisect, but
> wanted to report the regression in the meanwhile.
> Here's the dmesg of a 24 core 6 node wedged system.
Because the git doesn't include my patch. Pls. try it.

http://marc.info/?l=linux-kernel&m=122093094701219&w=2

yanmin


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