lkml.org 
[lkml]   [2008]   [Mar]   [20]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
From kamezawa.hiroyu@jp ...
DateThu, 20 Mar 2008 23:52:54 +0900 (JST)
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



\
 
 \ /
  Last update: 2008-03-20 15:57    [from the cache]
©2003-2008