Date: Sat, 28 Feb 2009 05:18:21 -0800 From: Manfred Antar <null@pozo.com> To: Alexander Motin <mav@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: Fatal trap 18 on Current 1386 since Saturday 21 Feb 2009 Message-ID: <200902281318.n1SDILpe001450@pozo.com> In-Reply-To: <49A9201E.2020604@FreeBSD.org> References: <200902250259.n1P2xvYh001449@pozo.com> <1235559230.15704.4.camel@buffy.york.ac.uk> <200902251410.n1PEAla5010605@pozo.com> <1235573928.15704.10.camel@buffy.york.ac.uk> <200902251508.n1PF8ORo001737@pozo.com> <1235576175.15704.15.camel@buffy.york.ac.uk> <200902260208.n1Q280jg001474@pozo.com> <49A7107A.5080208@FreeBSD.org> <200902270135.n1R1ZmU7001445@pozo.com> <49A9201E.2020604@FreeBSD.org>
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At 03:29 2/28/2009, you wrote: >Manfred Antar wrote: >>At 13:58 2/26/2009, you wrote: >>>Manfred Antar wrote: >>>>At 07:36 2/25/2009, Gavin Atkinson wrote: >>>>>My suspicion is that it is this commit: >>>>> >>>>>http://docs.freebsd.org/cgi/getmsg.cgi?fetch=1637857+0+archive/2009/svn-src-all/20090222.svn-src-all >>>>>Might be worthwhile trying the source from just before, and just after >>>>>it and seeing if that is the cause. >>>>Yes that's it I put: >>>>/sys/dev/ata/ata-all.c >>>>/sys/dev/ata/ata-all.h >>>>/sys/dev/ata/ata-pci.h >>>>/sys/dev/ata/ata-sata.c >>>>/sys/dev/ata/chipsets/ata-promise.c >>>>from before the changes on the 21st in current /sys and kernel builds and boots fine >>>>My original date of the 14th was wrong, I looked at the calendar thought it was the 14th >>>>but actually uname -a of the last working kernel was the 21st 7am. >>>Looking on on your first and later posts I would say that this commit may happen not a root of your problem. It may just trigger something else. >>> >>>Problem begins when some of your drives on ata1 channel timeouts request that leads to several controller reinits. I think that durung that driver somehow gets wrong drive parameters that leads to division by zero error inside ata_tf_write(). >>> >>>I have just committed one patch that probably does not fix the problem, but change process a bit. Could you try it and send me all ata related verbose messages starting from controller detection. >>Sure. I only have one Hard Drive and a DVD drive in this computer. > >I have committed patch (r189166) which I think should fix your crash. Test it please. > >-- >Alexander Motin Build and Works Fine now Thanks Manfred ================================== || null@pozo.com || || Ph. (415) 681-6235 || ==================================
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