Messages in this thread | | | Date | Wed, 23 Mar 2005 15:49:02 -0800 | From | Badari Pulavarty <> | Subject | Re: [Ext2-devel] Re: OOM problems on 2.6.12-rc1 with many fsx tests |
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Andrew Morton wrote:
> "Martin J. Bligh" <mbligh@aracnet.com> wrote: > >>>>Nothing beats poking around in a dead machine's guts with kgdb though. >>> >>>Everyone his taste. >>> >>>But I was surprised by >>> >>> >>>>SwapTotal: 1052216 kB >>>>SwapFree: 1045984 kB >>> >>>Strange that processes are killed while lots of swap is available. >> >>I don't think we're that smart about it. If we're really low on mem, it >>seems we invoke the OOM killer whether processes are causing the problem >>or not. >> >>OTOH, if we can't free the kernel mem, we don't have much choice, but >>it's not really helping much ;-) >> > > > I'm suspecting here that we simply leaked a refcount on every darn > pagecache page in the machine. Note how mapped memory has shrunk down to > less than a megabyte and everything which can be swapped out has been > swapped out.
That makes sense. We have almost 485MB in active and inactive caches, but we are not able reclai them :(
Active: 243580 kB Inactive: 242248 kB
> > If so, then oom-killing everything in the world is pretty inevitable. >
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