Date: Thu, 18 Jul 2013 12:00:26 +0300 From: Mikolaj Golub <to.my.trociny@gmail.com> To: freebsd-current@FreeBSD.org Subject: Re: core.txt.N not created anymore on panic Message-ID: <20130718090025.GA27874@gmail.com> In-Reply-To: <20130717072151.GF4484@caravan.chchile.org> References: <20130717071655.GE4484@caravan.chchile.org> <20130717072151.GF4484@caravan.chchile.org>
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On Wed, Jul 17, 2013 at 09:21:51AM +0200, Jeremie Le Hen wrote: > On Wed, Jul 17, 2013 at 09:16:55AM +0200, Jeremie Le Hen wrote: > > Hi, > > > > Early May I set ddb_enable="YES" (crashinfo_enable="YES" by default). > > Upon panic, it created the following kind of files: > > > > -rw------- 1 root wheel 549 Jun 26 22:09 info.0 > > -rw------- 1 root wheel 1518501888 Jun 26 22:09 vmcore.0 > > -rw------- 1 root wheel 196981 Jun 26 22:09 core.txt.0 > > -rw------- 1 root wheel 546 Jun 26 23:15 info.1 > > -rw------- 1 root wheel 472608768 Jun 26 23:15 vmcore.1 > > -rw------- 1 root wheel 207034 Jun 26 23:15 core.txt.1 > > -rw------- 1 root wheel 546 Jun 27 00:47 info.2 > > -rw------- 1 root wheel 667717632 Jun 27 00:47 vmcore.2 > > -rw------- 1 root wheel 208745 Jun 27 00:48 core.txt.2 > > -rw------- 1 root wheel 549 Jul 3 14:40 info.3 > > -rw------- 1 root wheel 1455198208 Jul 3 14:40 vmcore.3 > > -rw------- 1 root wheel 208173 Jul 3 14:41 core.txt.3 > > > > The core.txt.N files contained crashinfo(8) informations along with > > ddb textdump, because crashinfo(8) outputs dmesg. > > > > > > Yesterday, I upgraded to latest -CURRENT from one from June 9th. While > > stress-testing overnight, I got a couple of panics but core.txt.N are > > not created anymore. > > > > -rw------- 1 root wheel 530 Jul 17 01:10 info.5 > > -rw------- 1 root wheel 75776 Jul 17 01:10 textdump.tar.5 > > -rw------- 1 root wheel 529 Jul 17 02:01 info.6 > > -rw------- 1 root wheel 74240 Jul 17 02:01 textdump.tar.6 > > -rw------- 1 root wheel 530 Jul 17 04:20 info.7 > > -rw------- 1 root wheel 74752 Jul 17 04:20 textdump.tar.7 > > -rw------- 1 root wheel 530 Jul 17 07:50 info.8 > > -rw------- 1 root wheel 92672 Jul 17 07:50 textdump.tar.8 > > -rw------- 1 root wheel 531 Jul 17 08:44 info.9 > > -rw------- 1 root wheel 110592 Jul 17 08:44 textdump.tar.9 > > > > Each textdump.tar.N contains: > > > > tar tvf /var/crash/textdump.tar.9 > > -rw------- 0 root wheel 49152 Jul 17 08:30 ddb.txt > > -rw------- 0 root wheel 3179 Jul 17 08:30 config.txt > > -rw------- 0 root wheel 54137 Jul 17 08:30 msgbuf.txt > > -rw------- 0 root wheel 88 Jul 17 08:30 panic.txt > > -rw------- 0 root wheel 120 Jul 17 08:30 version.txt > > > > Any idea changed in between? I checked svn log in etc/ but I found > > nothing relevant. Before your system was configured to generate vmcore dumps. Now it is configured to generate textdumps. crashinfo(8) works with vmcore. > > For the record: > > debug.ddb.capture.bufoff: 0 > debug.ddb.capture.maxbufsize: 5242880 > debug.ddb.capture.inprogress: 0 > debug.ddb.capture.bufsize: 49152 > debug.ddb.capture.data: > debug.ddb.scripting.scripts: lockinfo=show locks; show alllocks; show > lockedvnods > kdb.enter.panic=textdump set; capture on; run lockinfo; show pcpu; bt; 'textdump set' tells ddb to store dumps in textdump format. Remove this from /etc/ddb.conf (and run /etc/rc.d/ddb) if you want crashinfo(8) data. -- Mikolaj Golub
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