Date: Mon, 11 May 2009 09:53:21 -0400 From: John Baldwin <jhb@freebsd.org> To: Riccardo Torrini <riccardo.torrini@esaote.com> Cc: scottl@freebsd.org, siedar@nplay.pl, freebsd-stable@freebsd.org Subject: Re: kern/130330: [mpt] [panic] Panic and reboot machine MPT ... Message-ID: <200905110953.21686.jhb@freebsd.org> In-Reply-To: <20090507155012.GW21112@tiger.fi.esaote.it> References: <20090507155012.GW21112@tiger.fi.esaote.it>
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On Thursday 07 May 2009 11:50:12 am Riccardo Torrini wrote: > I just submitted a follow-up to PR kern/130330 with the same > info. Maybe I found the committed lines doing the crash. > > Please see PR for more detailed info (and cc: this thread to me). > > I restricted the time window of the problem doing (a lot of) > build&install world from 2008.07 up to now (read last week). > > With 2008.07.28.17.00.00 (7.0-STABLE) works fine but > with 2008.07.28.18.00.00 start crashing removing the > the second disk of a mirror (when the mirror is ok) > or adding the second disk of a degraded ones. > > Also note that the same crash happens with all 7.1 > stable or release and even all 7.2-PRE I tested. > > (wrapping long lines) > # cd /home/ncvs/src/sys/ > # grep -R "date.*2008\.07\.28\.17" ./ | grep -v /Attic > > ./dev/wi/if_wi.c,v: > date 2008.07.28.17.00.37; author imp; state Exp; > ./dev/wi/if_wivar.h,v: > date 2008.07.28.17.00.37; author imp; state Exp; > ./dev/mpt/mpt_raid.c,v: > date 2008.07.28.17.10.09; author jhb; state Exp; > ./dev/mpt/mpt_raid.c,v: > date 2008.07.28.17.05.09; author jhb; state Exp; > ./kern/sched_4bsd.c,v: > date 2008.07.28.17.25.24; author jhb; state Exp; > ./modules/et/Makefile,v: > date 2008.07.28.17.56.37; author antoine; state Exp; > > In that time window there are only 4 file changed in > src/sys/dev, and I bet to mpt_raid.c :-) > > This is the commit log extracted from cvsweb > -----8<----- > Revision 1.15.2.1: > Mon Jul 28 17:05:09 2008 UTC (9 months, 1 week ago) by jhb > Branches: RELENG_7 > CVS tags: RELENG_7_1_BP > Branch point for: RELENG_7_1 > Diff to: previous 1.15: preferred, colored > Changes since revision 1.15: +4 -4 lines > > SVN rev 180920 on 2008-07-28 17:05:09Z by jhb > > MFC: Allocate a single CCB at the start of the main loop of the RAID > monitoring kthread of the mpt(4) driver. > -----8<----- > > Here are the diff: > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/mpt/mpt_raid.c.diff?r1=1.15;r2=1.15.2.1 > > > What can I do now? Can you get more details on the crash, perhaps a crash dump? -- John Baldwin
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