FreeBSD 7.1: QUOTA: kernel panics in jailed()

[Mike Pritchard]

On Mon, Dec 07, 2009 at 10:23:49AM +0200, Mikolaj Golub wrote:
> On Sun, 6 Dec 2009 20:18:13 +0200 Kostik Belousov wrote:
> 
> > The kernel paniced because chkdq was supplied NULL credentials and
> > _positive_ blocks use count change. Line 276 calls chkdq with
> > -datablocks as the change. This could happen if you have problems
> > either with hardware (e.g. memory or CPU cache), or your fs
> > is damaged.
> >
> > Another possibility is random corruption of the kernel memory, but
> > I recommend to start with fsck and then continue with memory testers
> > if fsck have shown no problems.
> 
> We have checked FS -- looks OK. So far we have just rebooted to the kernel
> without quota. To check the hardware is in our plans. Thank you.

Did you happen to turn quotas off then back on for the file system in
question?
-- 
Mike Pritchard
mpp @ FreeBSD.org
"If tyranny and oppression come to this land, it will be in the guise
of fighting a foreign enemy."  - James Madison (1787)