Date: Tue, 20 May 2008 18:48:55 +0200 From: Roberto Nunnari <roberto.nunnari@supsi.ch> To: Alan Gilmour <alandgilmour@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Server crashing, no explanations Message-ID: <483300F7.1030204@supsi.ch> In-Reply-To: <38f284ee0805200808v2947fa20od00263f5440baac0@mail.gmail.com> References: <38f284ee0805200717l7008e18fud9631bf80839ceb1@mail.gmail.com> <4832E6AF.8080100@supsi.ch> <38f284ee0805200808v2947fa20od00263f5440baac0@mail.gmail.com>
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Then, if crash dumps are enabled, it could be a HW failure.. Once I had a server crashing with no dumps, and I found out it was I power supply problem. Best regards. Robi Alan Gilmour wrote: > Hi Roberto, > > There's nothing in /var/crash > > Any other ideas? > > Cheers > > Alan > > On 20/05/2008, Roberto Nunnari <roberto.nunnari@supsi.ch> wrote: >> Crash dumps should help. >> >> >> Alan Gilmour wrote: >>> Hey all, >>> >>> We have recently been getting a lot of traffic to one of our sites. >>> The CPU is consistently during busy periods using 100% utilisation. >>> When this happens we have approx 150 apache threads, and the loads >>> goes way above 15. >>> >>> However recently the server has been auto-restarting (when under heavy >>> load) with no explanation in any logs. I've checked the console log, >>> messages, db logs e.t.c. but no mention of anything wrong. >>> >>> Brief server summary : >>> >>> FreeBSD 6.3-STABLE #0: >>> CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2800.11-MHz 686-class CPU) >>> Logical CPUs per core: 2 >>> real memory = 17716740096 (16896 MB) >>> avail memory = 16837763072 (16057 MB) >>> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs >>> >>> We tried installing mbmon and lmmon and healthd, but none seem to work. >>> >>> Anyone got any suggestions for other things we can try to detect why >>> the server is failing? or other ways to check things like CPU temp and >>> memory status? >>> >>> Cheers >>> >>> Alan >>> _______________________________________________ >>> freebsd-questions@freebsd.org mailing list >>> >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to >> "freebsd-questions-unsubscribe@freebsd.org" >> >> > >
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