Re: 8.0RC2 amd64 - kernel panic running make buildworld

06.11.09, 10:19, "Gary Jennejohn" <gary.jennejohn_at_freenet.de> wrote:

> On Thu, 05 Nov 2009 21:34:23 +0300
> S.N.Grigoriev  wrote:
> > 
> > 
> > 05.11.09, 18:49, "Gary Jennejohn" :
> > 
> > > On Thu, 05 Nov 2009 19:40:03 +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.
> > > Do you have "options DDB" in your kernel config file?
> > > ---
> > > Gary Jennejohn
> > 
> > Hi Gary,
> > 
> > my current kernel is GENERIC, so I don't have "options DDB".
> >
> Well, you need that option to see the DDB (debug) sysctl's.
> ---

I've recompiled the kernel with 'options DDB' (using 7-stable).
The sysctl variable 'debug.debugger_on_panic' is now set to '1'.
But I still have silent reboots every time I try to build world/kernel.
'savecore -v' reports: 'no dumps found'. What did I do incorrectly?

-- 
Regards,
S.Grigoriev.