On Wed, Aug 23, 2006 at 12:15:32AM +0300, Jukka Marin wrote:
> On Tue, Aug 22, 2006 at 03:36:34PM -0500, Jonathan A. Kollasch wrote:
> > > I just built a -current amd64 kernel and userland (except XFree) and tried
> > > to start X (xinit) and the system rebooted immediately.  The same happens
> > > with 3.0.1 release kernel and binaries.  I added DDB to my kernel config,
> > > but the system still reboots without entering the debugger.
> > 
> > Probably a X on NetBSD/amd64 issue.  I needed to keep memory hole remapping
> > off on a box w/ 4GiB physical to get this to not happen.  I described this
> > problem awhile back on this list.
> 
> Thanks.  My bios has two remapping options; "s/w remapping" and "h/w
> remapping".  I disabled both and yea! - X no longer reboots the machine -
> but, I now have only 3 GB of RAM available, probably the same amount as
> under i386 port. :-(
> 
> Can I have both X and 4 GB?  Please? ;-)
Have you tried "s/w remapping"? That seems to be the aquivalent to
"pci mem hole = software" on my Opteron machine, where X is ok and
8Gig mem are usable.

Kurt

(I can provide dmesg(8) and/or XFree86.0.log if needed.)