Date: Thu, 06 Mar 2014 07:49:42 -0800 (PST) From: Anton Shterenlikht <mexas@bris.ac.uk> To: feld@FreeBSD.org, freebsd-current@freebsd.org Subject: Re: reproducible panic every day at 03:02, probably triggered by daily periodic scipts - help Message-ID: <201403061549.s26Fne7c059198@mech-cluster241.men.bris.ac.uk> In-Reply-To: <1394115763.14742.91327521.717FE009@webmail.messagingengine.com>
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>From: Mark Felder <feld@FreeBSD.org> > >On Thu, Mar 6, 2014, at 2:59, Anton Shterenlikht wrote: >> In my initial PR (sparc64 r261798), >> >> http://www.freebsd.org/cgi/query-pr.cgi?pr=187080 >> >> I said that rsync was triggering this panic. >> While true, I now see that there's more to it. >> I disabled the rsync, and the cron jobs. >> Still I get exactly the same panic every >> night at 03:02: >> >> # grep Dumptime /var/crash/* >> /var/crash/info.0: Dumptime: Wed Feb 26 10:10:51 2014 >> /var/crash/info.1: Dumptime: Thu Feb 27 03:02:14 2014 >> /var/crash/info.2: Dumptime: Fri Feb 28 03:02:29 2014 >> /var/crash/info.3: Dumptime: Sat Mar 1 03:02:25 2014 >> /var/crash/info.4: Dumptime: Tue Mar 4 03:02:01 2014 >> /var/crash/info.5: Dumptime: Wed Mar 5 03:02:05 2014 >> /var/crash/info.6: Dumptime: Thu Mar 6 03:02:11 2014 >> /var/crash/info.last: Dumptime: Thu Mar 6 03:02:11 2014 >> # >> >> This is likely triggered by one of >> the daily periodic scipts, >> after about 1 min from start: >> >> # grep daily /etc/crontab >> # Perform daily/weekly/monthly maintenance. >> 1 3 * * * root periodic daily >> # >> >> but which one? >> > >Can you go into /etc/periodic/daily and execute those scripts one by >one? You should be able to narrow down which one is the culprit. unfortunately I cannot reproduce the panic this way. What I did was: # cd /etc/periodic/daily # for file in `ls` do echo $file ./$file done I run it twice, I could see all scripts executing one after another, but no panic. Perhaps something else is happening at the same time as daily scripts? But I cannot find what. Thanks Anton
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