8.0RC2 amd64 - kernel panic running make buildworld

[Alexandre "Sunny" Kovalenko]

On Tue, 2009-11-10 at 19:05 +0200, Andriy Gapon wrote:
> on 10/11/2009 17:22 gary.jennejohn at freenet.de said the following:
> > Well, OK, I may have misinterpreted what you wrote or have chosen bad
> > wording myself to convey the same message.  Nonetheless it looks like
> > a hardware problem to me.
> 
> [Trying to make up for my previous mistake.]
> 
> The symptom certainly looks like misbehaving hardware, but other information from
> the reports seems to suggest that it is possible that this misbehavior might be
> caused by software misconfiguring the hardware.
> 
> I would re-test vm.pmap.pg_ps_enabled=0 just to be sure that it was correctly teh
> first time.
> I would try to see how 8.0-RC1 kernel behaves and in general try to find last
> working, first non-working version.
To that end, Rui Paulo committed utility to do binary search on the
revisions, which will, likely, come handy.

>>>> 1. install devel/p5-App-SVN-Bisect
>>>> 2. svn checkout http://svn.freebsd.org/base/stable/8 freebsd
>>>> 3. svn-bisect --start 198443 --end 198831 start
>>>> 4. Build a kernel and test.
>>>>   If it works, type 'svn-bisect good'
>>>>   If it doesn't work, type 'svn-bisect bad'
>>>> 5. Repeat process from step 4 until svn-bisect finds the culprit
>>>> revision.
>>>>
>>>>http://search.cpan.org/~infinoid/App-SVN-Bisect-0.8/bin/svn-bisect#EXAMPLE

-- 
Alexandre Kovalenko (Олександр Коваленко)