Date: Tue, 8 Sep 2009 17:38:55 +0200 From: Thomas Backman <serenity@exscape.org> To: =?iso-8859-1?Q?Gerrit_K=FChn?= <gerrit@pmp.uni-hannover.de> Cc: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org Subject: Re: zfs kernel panic Message-ID: <E0D629E8-A58F-447B-B12F-237C8D634F5E@exscape.org> In-Reply-To: <20090908172332.476d9e0b.gerrit@pmp.uni-hannover.de> References: <20090908172332.476d9e0b.gerrit@pmp.uni-hannover.de>
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On Sep 8, 2009, at 5:23 PM, Gerrit K=FChn wrote: > Hi folks, > > I just upgraded a zfs server from 7.0-something to 7.2-stable and =20 > hoped to > get rid of some minor instabilities I experienced every 6 months or =20= > so. > Unfortunately, the new system crashed for the first time after only =20= > a few > hours when copying some files via scp onto it. > I got a kernel panic which looked quite similar to the one reported =20= > here > (kmem_map too small): > = <http://www.archivum.info/freebsd-fs@freebsd.org/2009-04/00071/FreeBSD_7.2= -RC1_-_ZFS_related_kernel_panic_quot_kmem_map_too_small_quot=20 > > > > I have a dual cpu dual core opteron system with 4GB of RAM and a 3-=20 > disk > raidz1. I took out the memory settings from loader.conf as suggested =20= > in > UPDATING. I did not yet upgrade zpool nor zfs version (would that =20 > help?). > Are there any known issues or any further hints what might cause the > crash? I copied the files again, but this time everything went fine. Hmm. Do you use i386 or amd64? This panic is (was?) pretty common on =20 i386 before tuning, but... 4GB RAM and an Opteron should have you =20 running amd64, no? Regards, Thomas=
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