redhat 9 dies randomly

[kalin mintchev]

> What exactly do you mean by dying?
crashing....  stops any processing...

> can you log in via console or is that
> totally hung? Im assuming ssh/telnet access from a terminal is also
> totally hung?

i can not reach it via console/ssh - it has to be rebooted...

> Try turning off DMA on all your disk drives.  It craps
> out performance a bit, but if you have/had multiple ide devices and one of
> them doesn't like DMA it can make your machine just hang.

ok. anything else besides these 2 of?
CONFIG_BLK_DEV_IDEDMA_PCI
CONFIG_BLK_DEV_IDEDMA

>
> Wayner

what about this:
also is there a way to find out what was the cpu load or memory usage at
the time of the crash?

thanks.


>
>>>> kalin at el.net 08/09/04 11:52am >>>
> hi all..
>
> i posted this question a few months back here and the only answer i got
> was to update the kernel which i did but it didn't solve the problem..
>
> i have a redhat 9 machine that dies randomly. sometimes after a day,
> sometimes after 8 days. there isn't any indication of a problem in any of
> the logs.
> all the machine runs is qmail with spamd and some procmail and a bind name
> server. it also has a helix real media server but  that was added a few
> weeks ago. there is a web server with webmail interface - squirrelmail -
> too. that's all.
> non of the logs show anything. there is enough disk space. i did a memory
> test  which came out fine.
>
> now having said that i heed to mention that a few weeks ago the machine
> had a second drive on which the main swap partition was living. that drive
> died and i had to create a swap file under /var on the main disk. i
> thought this will solve the problem but apparently it's not.
>
> the machine is monitored 24 hours but sometimes people notice that the
> mail is down before the techs - just a minute or so after the machine
> dies. and rebooting it all the time is not solving the issue. of course i
> can rebuild the machine but it be nice to know what the problem might be..
>
> can somebody provide some advice of where to start looking for a problem.
> i'd appreciate it.
>
> also is there a way to find out what was the cpu load or memory usage at
> the time of the crash?
>
> thank you...
>
>
>
>
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>
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-- 
Software is like sex: It's better when it's free. (Linus Torvalds)