ZFS panic when changing zfs dataset mountpoint

[Niki Denev]

On Feb 13, 2008 1:53 AM, Ivan Voras <ivoras at freebsd.org> wrote:
> Niki Denev wrote:
> > Hi,
> >
> > I got the following panic when trying to set/change the mountpoint
> > property of a dataset.
> >
> > I did :
> >   # zfs set mountpoint=/usr/ports zfs2/ports
> > and the machine crashed.
> >
> > The datased had one snapshot taken.
> >
> > Here is what i was able to extract from the dump :
>
> You call the zpool "zfs2" - do you perhaps have another one? (Just
> guessing here - I remember people sometime complain of unusual errors
> when there's more than one zpool).
>

Yes, there are two pools in the system, and this is the second one.

% gpart show
=>        34  2929686461  da0  GPT  (1.5TB)
          34         128    1  freebsd-boot  (65.5KB)
         162   104857600    2  freebsd-ufs  (53.7GB)
   104857762    16777216    3  freebsd-swap  (8.6GB)
   121634978  2808051517    4  freebsd-zfs  (1.4TB)

=>       34  976562109  da1  GPT  (500.0GB)
         34  976562109    1  freebsd-zfs  (500.0GB)

% zpool status
 pool: zfs
 state: ONLINE
 scrub: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        zfs         ONLINE       0     0     0
          da0p4     ONLINE       0     0     0

errors: No known data errors

  pool: zfs2
 state: ONLINE
 scrub: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        zfs2        ONLINE       0     0     0
          da1p1     ONLINE       0     0     0

errors: No known data errors

--Niki