gmirror panic on RELENG_8

[Pawel Jakub Dawidek]

On Tue, Jan 11, 2011 at 11:18:38AM -0600, Steve Price wrote:
> [dev]# cat /etc/fstab
> # Device		Mountpoint	FStype	Options		Dump	Pass#
> /dev/da0s1b		none		swap	sw		0	0
> /dev/da0s1a		/		ufs	rw		1	1
> /dev/acd0		/cdrom		cd9660	ro,noauto	0	0
[...]
> [dev]# sysctl kern.geom.debugflags=17
> kern.geom.debugflags: 0 -> 17
> [dev]# gmirror label -vb round-robin gm0 /dev/da0

This is very bad idea to turn live disk into a mirror, but I don't
expect this is the reason of the panic.

> Box panics.  If I remove either da1 or da2 the box doesn't
> panic.  I have 5 identical drives laying around to use for
> da[12].  Pick 2, any 2, and the box panics if all 3 drives
> are present on boot. [...]

Panic message and backtrace is minimum what you need to provide.
Really, even taking photo of your screen with panic message and
backtrace might be enough.

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 196 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-geom/attachments/20110111/e89ca221/attachment.pgp