Re: Complete freeze with 2.4.20 on 4-proc IBM xSeries 350

From: Martin J. Bligh (
Date: Tue Dec 10 2002 - 19:10:21 EST

> I'm experiencing serious problems with Kernel 2.4.20 on a IBM xSeries 350
> machine, having 4 700 MHz processors and 4 GB RAM (same on another machine
> with the same configuration, but only 3 GB RAM). The machine just com-
> pletely freezes after some time, ranging from 20 minutes to 3 hours. It
> is running IBM DB/2 with quite some load, the base system is RedHat 7.2
> with all the updates applied. There is no oops or other fault, just a
> plain freeze.

Can you watch /proc/meminfo and see how low "lowfree" gets?
If it gets low (eg below 50Mb), dump /proc/slabinfo as well.


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This archive was generated by hypermail 2b29 : Sun Dec 15 2002 - 22:00:19 EST