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SubjectRe: Re: [BUG?] 2.6.25-rc[23]-mm1 cgroup list corruption under load with VM Scalability patches

>> > > list_del corruption in cgroup_exit() on 16 cpu, 32GB ia64 NUMA platfor
m.
>> > >
>> > > I've been seeing this for a while now, but we've had known problems
>> > > [page leaks, ...] with the VM scalability series. Now the system
>> > > appears to be running very well with these patches under stress loads
>> > > that would hang it or cause OOM kill of tests with plenty of swap spa
ce
>> > > left. Eventually, [after 40-45 minutes], I hit a list corruption in
>> > > cgroup_exit().
>> > >
>> > > I can't say for sure that our patches aren't causing this, but I've b
een
>> > > unable to keep the system up long enough under the stress load w/o th
e
>> > > splitlru+noreclaim patches to hit the problem.
>
>sorry for late responce, I don't notice this thread.
>fujitsu guys investigated that problem too.
>
>AFAIK this problem already fixed KAMEZAWA-san.
>but I don't know that patch merged -mm or not.
>
>kamezawa-san, please let us know its status?

*tons* of fixes by Hugh Dickins is merged now,
could you update your base kernel ? (or set config to N in older kernel)

Thanks
-Kame



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