Re: random system crashes

["Alex Kramarov" <alex@incredimail.com>]

ok people, now we are getting somewhere.

yesterday, i have done the following on my machine (that was running steady
for 2 months !)

echo 1 > /proc/sys/net/tux/logging
echo 1 > /proc/sys/net/tux/referrer_logging

and in crontab :

*/5 * * * * root rm -f /var/log/tux

after 5 hours the machine crashed. good thing i have an automated failover
to the backup machine - and that my isp people took about 4 hours to find
out that the machine was down, so that gave me some more time to sleep today
;)

so, this seems to confirm the logging-related theory .
now, after a restart, i am trying the same setup without referrer_logging
...

Alex.

----- Original Message -----
From: "Alex Kramarov" <alex@incredimail.com>
To: <tux-list@redhat.com>
Sent: Wednesday, October 16, 2002 3:42 AM
Subject: Re: random system crashes


>
> ----- Original Message -----
> From: "Matthew Hodgson" <matthew@arasphere.net>
> To: <tux-list@redhat.com>
> Sent: Wednesday, October 16, 2002 1:53 AM
> Subject: Re: random system crashes
>
>
> > ----- Original Message -----
> > From: "Alex Kramarov" <alex@incredimail.com>
> > To: <tux-list@redhat.com>
> > Sent: Tuesday, October 15, 2002 12:14 AM
> > Subject: Re: random system crashes
> >
> >
> > >
> > > >Given how similar Marco and Alex's hardware setup appears to be,
> perhaps
> > a
> > > hint at the root of the problem might be isolated by a straightforward
> > > detailed comparison of the hardware, drivers, distribution, loaded
> > > modules, or even the actual TUX configuration itself...?
> > >
> > > I have no problem with that, but we need to have a substantial base
for
> > > comparacent.
> > >
> > > everyone who is successfully running tux and willing to provide that
> info,
> > > please reply to the list.
> > > i believe we need at least 10 ppl to get started ...
> >
> > Here's my slightly more detailed contribution of my abortive tux setup
> > details: this server completely froze hung roughly every 2 to 7 days,
> > sometimes responding to icmp ping packets (with good response times(!))
on
> > one or more of the NIC interfaces.  TUX was serving around 30 hits a
> second.
> >
> <snipped>
>
> I declare you the god of elaborate bug reports, since i have been around,
> but this was by far the best description of problems and possible
solutions
> i have ever seen !!!
>
> i am currently running without logging, but i will try to duplicate your
> config step by step, since i have 2 machines, and if one of them fails,
the
> other will take over in a matter of seconds.
>
> i don't believe it an smp or 2 tux threads, or >1GH  issue, since this is
> the config i have, also i don't think that the problem is changing files
in
> userspace, since my servers are frequently updated, and tux runs 24/7
> serving content.
>
> i will report my findings ...
>
> and more reports of success/failure will be apriciated, if possible, in
the
> format of Matthew Hodgsons example !
>
>
>
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