On 7/12/05, Rob Mueller <[email protected]> wrote:
> As background, we've been using a relatively old kernel (2.6.4-mm2) on some
> IBM x235 machines with 6G of RAM, umem cards, and serveraid storage. These
> machines are under continuous heavy-ish load, load avg between about 1 and
> 5, with between 2500-3500 procs at all times, with several largish ReiserFS
> partitions and have been running *really* well with >250 days uptime on one
> machine.
>
> We recently tried upgrading one of the machines to the latest kernel
> (2.6.12.2) and it's died after about 24 hours. It seemed to end up in some
> weird state where we could ssh into it, and some commands worked (eg uptime)
> but process list related commands (ps) would just freeze up into an
> unkillable state and we'd have to close the seesion and ssh in again.
I experienced the exact same thing on a IBM 335 - in my case I had
messed up with the ACPI setup. Could you paste the output from
/proc/interupts also is your kernel running with IRQ balancing ?.
Regards.
Lars Roland
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