ZFS deadlocks or panics

Jan Schmidle freebsd-current at jschmidle.org
Wed Jun 27 11:18:20 UTC 2007

Claus Guttesen wrote:
>> Pawel Jakub Dawidek wrote:
>> > On Tue, Jun 26, 2007 at 03:40:38PM +0200, Jan Schmidle wrote:
>> >> I'm trying to bild a storagebox with ZFS. Now I have some problems
>> >> which seems to be related to ZFS. Perhaps after adding disks to an
>> >> existing pool, all consoles trying to execute a command with I/O
>> >> operations freezes. Only sometimes I get a panic.
>> >
>> > Are you sure the disks are fine?
>> Not 100%, but as the problem also shows up when I'm destroying
>> pools, I don't think that there is a Problem. But I will check this.
> If you have used the disks previously you have probably disklable'd
> them for that purpose. Try erasing the first sectors with 'dd
> if=/dev/zero of=/dev/your-disk' and re-create the zpool.
didn't help. And i think, if the disks were the problem, i should get more
panics. But it is about every 10th or 15th reboot there is about 1 panic.
Also there is no log or dmesg output at all.

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