WITNESS & RELENG_6

[Kostik Belousov]

On Wed, Jan 03, 2007 at 04:01:04PM -0500, John Baldwin wrote:
> On Wednesday 03 January 2007 09:18, Eugene Grosbein wrote:
> > Hi!
> > 
> > I try to find bugs in 6.2-PRERELEASE by using it (q) :-)
> > The question is: are kernel options WITNESS/WITNESS_KDB expected
> > to be in usable kernel? I don't worry about performance overhead here.
> > 
> > The problem is, I've found this is nearly impossible to run
> > my home system with RELENG_6 build from yesterday's sources,
> > X.org 6.9.0, mplayer etc. without panicing and crashdump generation
> > after an hour or so. Just switch from X to vty and logon gave me another
> > LOR and crashdump. One of these you can see here:
> > 
> > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/107455
> > 
> > Perhaps, I should not use these options for everyday STABLE use?
> > 
> > Eugene
> 
> I think you are running into devfs bugs actually.

I would suggest that the problem may be in the nvidia driver instead.
It seems to be related to dev cloning.

Anyway, obtaining exact location of fault in devfs_populate_loop (either
with crashdump/kgdb or manually) would be first step.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-hackers/attachments/20070104/75d39ead/attachment.pgp