Reproducible ZFS jailed dataset panic after upgrading to latest 9-stable

[Thomas Steen Rasmussen]

On 25-06-2013 13:27, Thomas Steen Rasmussen wrote:
> Hello,
>
> To fix the mmap vulnerability I've upgraded one of my jail hosts from:
> "FreeBSD 9.1-STABLE #1: Sun Mar 17 08:48:35 UTC 2013"
> to:
> "FreeBSD 9.1-STABLE #3: Tue Jun 18 12:49:39 UTC 2013"
>
> One of the jails on this machine has a jailed zfs dataset:
>
> $ zfs get jailed gelipool/backups
> NAME              PROPERTY  VALUE   SOURCE
> gelipool/backups  jailed    on      local
> $
>
> After the upgrade, when I start the jail, the machine panics.
>
> This is a remote zfs-only machine with swap on zfs, so far I have
> been unable to get a proper coredump. I have access to the
> console of the machine, and I have taken a couple of screenshots:
>
> http://imgur.com/2V0PBlf and http://imgur.com/OopP9Sp
>
> Any ideas what might have caused this ? It worked great before the
> upgrade to latest 9-STABLE. This is a production server, but I am
> willing to try any suggestions to get it working again.
>

Hello all,

I just wanted to confirm that since the MFC in r252524 this has
been fixed in stable/9:
http://svnweb.freebsd.org/base?view=revision&revision=252524

Thanks!

Thomas Steen Rasmussen