Date: Mon, 20 Dec 2004 09:08:01 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Daniel Johansson <donnex@gmail.com> Cc: FreeBSD Questions <questions@FreeBSD.org> Subject: Re: My server gets kernel panic every 7th day Message-ID: <20041219223801.GG84787@wantadilla.lemis.com> In-Reply-To: <2a37e1ef04121914352677c442@mail.gmail.com> References: <2a37e1ef04121802575db1ba26@mail.gmail.com> <20041218195002.GC78603@xor.obsecurity.org> <20041219222919.GE84787@wantadilla.lemis.com> <2a37e1ef04121914352677c442@mail.gmail.com>
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--oXNgvKVxGWJ0RPMJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sunday, 19 December 2004 at 23:35:18 +0100, Daniel Johansson wrote: > On Mon, 20 Dec 2004 08:59:19 +1030, Greg 'groggy' Lehey > <grog@freebsd.org> wrote: >> On Saturday, 18 December 2004 at 11:50:02 -0800, Kris Kennaway wrote: >>> On Sat, Dec 18, 2004 at 11:57:35AM +0100, Daniel Johansson wrote: >>>> Hi, i've had my server up for over a year now and it's been rock solid >>>> but for the latest weeks the server has rebooted evert Saturday at >>>> exact 04:19:57 because of a find command. I have no idea why and I've >>>> checked the cron log and I don't think any crontab is runned at that >>>> time. Not as far as I can see from the cron log. Anyway find makes the >>>> server get a kernel panic and it reboots. This is the fourth week in a >>>> row it happens and I've checked the hardware, no problems at all. >>> >>> How did you "check the hardware"? Hardware failure is by far the >>> most common cause of "strange panics under abnormal load [such as >>> when the weekly cron job runs]". >> >> If this panic occurs repeatedly under certain circumstances, it's >> probably not hardware. Anyway, there's not much point standing >> outside and scratching our heads. We have a facility for analysing >> this kind of problem: the processor dump and kernel debugger. > > Yeah, I want to say thank you for your help. I think I've been able to > reproduce the kernel panic now, finalay! > > On my server I run 3 jails and every night at 04:15 when it runs > periodic weekly it runs it in 3 jails + the host enviroment. This > seems to cause the kernel panic, I don't really know why yet. I can > run periodic weekly separatly in every jail + the host without kernel > panic but when I run it at the same time on all places it kernel > panics. What does the dump backtrace show? > It can still be the PSU, don't have any other atm to try with. I'll > do some more testing and see if I can get any more info. There's no point looking at the hardware until you've looked at the dump. Greg -- See complete headers for address and phone numbers. --oXNgvKVxGWJ0RPMJ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBxgLJIubykFB6QiMRArGNAJ4/yrrOI+zfUN1IshUiP2LIe1UZeACgtJYy HWl+n/kAwesb5nYkJb57zHU= =XAHb -----END PGP SIGNATURE----- --oXNgvKVxGWJ0RPMJ--
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