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

Martin J. Bligh (mbligh@aracnet.com)
Tue, 10 Dec 2002 16:10:21 -0800


> 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.

M.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/