System lockup.

From: Bill Leckey (bleckey@tpg.com.au)
Date: Sun Oct 20 2002 - 19:02:50 EST


I have a terminal server that's supporting up to 240 lines. It's a
2.4.17 kernel, and is running squid, and using the reiser file system to
store log files, squid cache and other data. About every day or so, the
machine locks up. The screen is blank, keyboard doesn't respond, the
serial console I set up shows no 'dying gasp' and there is nothing in
any of the system logs.

This doesn't appear to be related to load as it has happened both during
the busiest times and during the low times.

I'm still servicing interrupts from our serial devices (on IRQ 11), so
it seems interrupts are still happening.

Beyond this, however, I have no idea where to go from here. If anyone
has any hints on what the problem might be, or even a way to gather more
information, I would be grateful.

-- 
Bill Leckey - Senior Software Design Engineer
TPG Research and Development
Ph: +61 2 62851711
Fax: +61 2 62853939

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