Messages in this thread |  | | | From | kamezawa.hiroyu@jp ... | | Date | Thu, 20 Mar 2008 23:52:54 +0900 (JST) | | Subject | Re: 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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