Re: 8.0RC2 amd64 - kernel panic running make buildworld

06.11.09, 07:55, "Alexandre \"Sunny\" Kovalenko" :

> On Thu, 2009-11-05 at 19:40 +0300, S.N.Grigoriev wrote:
> > 04.11.09, 16:51, "Alexandre \"Sunny\" Kovalenko" 
> > wrote:
> > 
> > > On Wed, 2009-11-04 at 13:44 +0300, S.N.Grigoriev wrote:
> > > > Hi list,
> > > > 
> > > > I can confirm I've seen the same problem. After upgrading from 7-stable
> > > > to 8.0-RC2 my machine just reboots during 'make buildworld' without
> > > > diagnostics. But switching vm.pmap.pg_ps_enabled on/off does not
> > > > work for me. My machine reboots every time I try to build world.
> > > > I don't think I have a hardware problem: under 7-stable I can build
> > > > world/kernel for both 7-stable and 8.0-RC2 without problems.
> > > > 
> > > Is it by any chance possible that you have 'debug.debugger_on_panic' set
> > > to '0' and no valid dump device configured?
> > 
> > Hi Alexandre,
> > 
> > I've not found 'debug.debugger_on_panic' variable in 'sysctl -a'
> > output. Where cat I find it? All my sysctl variables are set by
> > default.
> If your system does not have "option DDB", it would not have sysctl
> above, which might be just as well.
> Does savecore -v output makes sense?

This is 'savecore -v' output on my machine:

unable to open bounds file, using 0
checking for kernel dump on device /dev/ad8s1b
mediasize = 4294967296
sectorsize = 512
magic mismatch on last dump header on /dev/ad8s1b
savecore: no dumps found

-- 
Regards,
S.Grigoriev.