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Re: 2.5.33-mm3 dbench hang and 2.5.33 page allocation failures



On Thu, 2002-09-05 at 21:15, Daniel Phillips wrote:
> On Thursday 05 September 2002 19:23, Steven Cole wrote:
> > I booted 2.5.33-mm3 and ran dbench with increasing
> > numbers of clients: 1,2,3,4,6,8,10,12,16,etc. while
> > running vmstat -n 1 600 from another terminal.
> > 
> > After about 3 minutes, the output from vmstat stopped,
> > and the dbench 16 output stopped.  The machine would
> > respond to pings, but not to anything else. I had to 
> > hard-reset the box. Nothing interesting was saved in 
> > /var/log/messages. I have the output from vmstat if needed.
> 
> That happened to me yesterday while hacking 2.4 and the reason was
> failed oom detection.  Memory leak?

I've seen this on 6 diffrent machines (master.kernel.org is one of
them). I have a fileserver here that hits this all the time, sometimes
as much as a few times a day.

If anyone has any ideas or patches for 2.4 I'll happily test them.

-- 
/Martin

Never argue with an idiot. They drag you down to their level, then beat
you with experience.

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