zfs kernel panic
Pawel Jakub Dawidek
pjd at FreeBSD.org
Tue Sep 8 16:44:18 UTC 2009
On Tue, Sep 08, 2009 at 05:23:32PM +0200, Gerrit Kühn wrote:
> Hi folks,
> I just upgraded a zfs server from 7.0-something to 7.2-stable and hoped to
> get rid of some minor instabilities I experienced every 6 months or so.
> Unfortunately, the new system crashed for the first time after only a few
> hours when copying some files via scp onto it.
> I got a kernel panic which looked quite similar to the one reported here
> (kmem_map too small):
> I have a dual cpu dual core opteron system with 4GB of RAM and a 3-disk
> raidz1. I took out the memory settings from loader.conf as suggested in
> UPDATING. I did not yet upgrade zpool nor zfs version (would that 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.
If this is amd64, add vm.kmem_size="4G" to your loader.conf back.
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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