HD4550 DRI issues
Robert Noland
rnoland at FreeBSD.org
Fri Oct 2 23:57:33 UTC 2009
On Thu, 2009-10-01 at 20:01 -0500, Richard Kolkovich wrote:
> On Thu, Oct 01, 2009 at 10:33:07AM -0500, Richard Kolkovich wrote:
> > On Thu, Oct 01, 2009 at 05:16:30AM -0500, Robert Noland wrote:
> > > I've spent a fair amount of time digging through the mmap and memory
> > > allocation bits in the kernel, but haven't found anything that looks
> > > wrong. What I don't understand is, why this doesn't effect all or at
> > > least all i386 systems. So, I think it almost has to be chipset
> > > specific. .... Well, I just went back and found one of the prior reports
> > > of this. It looks like that (assuming it is the same cause) was on an
> > > intel 945 chipset running 7.2-RELEASE i386. Have you considered running
> > > amd64? Your i7 is certainly worthy of it and I would be curious to see
> > > if the problem exists when running amd64 also.
> > >
> >
> > Go figure...my first Intel board/CPU, and I stumble across something like this. :P
> >
> > I had considered trying amd64 after I saw your setup was amd64. I've never had too much reason for
> > running amd64, but I could justify it now that I'm using zfs. ;)
> >
> > I may give amd64 a shot later today and let you know if that helps.
>
> i386 + mtrr disabled doesn't do jack.
>
> Fresh amd64 install, installed xf86-video-ati and ran your DRM test. Contents? Empty.
Ok, that seems like good news then...
> I'm building xorg right now to make sure the displays mirror this result...I'll let you know.
>
> I just thought about this, though. Do you think something in my make.conf could be causing this
> problem? I don't think I've ever tried on a kernel and world I did not build. I only have
> CPUTYPE=core2 set (that would affect kernel/world compiling).
It's possible... It is generally not recommended to mess with cpu
flags... I used to use them as well, but I ran into a few cases where I
needed to re-use a disk and didn't have compatible hardware handy, so I
just use the default -O2 -pipe now.
robert.
>
--
Robert Noland <rnoland at FreeBSD.org>
FreeBSD
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