failed to set mtrr: invalid argument

Robert Noland rnoland at FreeBSD.org
Wed May 20 14:25:38 UTC 2009


On Wed, 2009-05-20 at 16:16 +0200, Paul B. Mahol wrote:
> On 5/20/09, Robert Noland <rnoland at freebsd.org> wrote:
> > On Tue, 2009-05-19 at 16:10 -0700, Chris H wrote:
> >> > So, zapping is off by default now in 1.6.x.  If you want it, add
> >> Option
> >> > "DontZap" "off".  The cross hatch is also gone, that is what the
> >> -retro
> >> > option is supposed to do.  The session leader in a failsafe twm
> >> session
> >> > is the left hand xterm.  Typing exit in that window should exit the
> >> > session.
> >>
> >> DOH! Sorry. My bad. I have since determined that turning off hald &&
> >> dbus
> >> improve performance. I built the X server with the hald option picked.
> >> But, when I bounced the box, and started an X session (with a WM),
> >> performance was improved. BUT. Performance pretty much sucks. I have 4
> >> of these boards running with the onbord (mach64) video, and the mere
> >> 2Mb
> >> built in RAM. They run with better performance than does this one with
> >> (200Mhz less CPU) comparable RAM && this one has 64Mb onboard && a
> >> faster
> >> Gpu. But they also run 6.4-STABLE && xorg-6.9.
> >> So, I'm going to experiment by rebuilding the X server w/o the HAL
> >> driver - make option && untick HAL. Then portupgrade -fi xorg-server.
> >>
> >> I'll report back should there be any improvement.
> >
> > So, the use of hal or not shouldn't produce any performance difference.
> > It is only used to detect input devices kbd/mouse.
> >
> > One thing that I have discovered and I'm hoping for someone to send me a
> > patch, is that if you build xorg-server without hal support it doesn't
> > get linked to pthread libraries.  This causes issues with libdrm on
> > Intel at least.  Not sure what else may be impacted.
> 
> I ignored this info first time, but I will ask now. Does this implies
> that libthr is listed in Xorg ldd(1) output?
> 
> I use server build without hal support on 945GM(irq not MSI) and I do
> not experience problems with drm/dri/OpenGL/xv or whatever other
> protocol you name it.

Yes, if xserver is built with HAL support, I see it linked with libthr.
If HAL is disabled, it doesn't appear to be.  I'm trying to remember
exactly what the reported issue was, but I think it was X crashing on
exit.

robert.

> > There is also my nouveau patch that you could try.  That should get you
> > EXA and Xv acceleration with the nouveau driver.  Overall the reports
> > that I've been getting have been good.
> >
> > robert.
> >
> >> Thank you very much Robert, for all your time and efforts.
> > --
> > Robert Noland <rnoland at FreeBSD.org>
> > FreeBSD
> >
> 
> 
-- 
Robert Noland <rnoland at FreeBSD.org>
FreeBSD
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