[CFT] drm updates

[Robert Noland]

On Sun, 2008-08-24 at 17:12 +0200, Paul B. Mahol wrote:
> On 8/24/08, Paul B. Mahol <onemda at gmail.com> wrote:
> > On 8/24/08, Robert Noland <rnoland at freebsd.org> wrote:
> >> I've uploaded a final patch set to:
> >>
> >> http://people.freebsd.org/~rnoland
> >>
> >> I have committed this version to -CURRENT, but patches are available for
> >> RELENG_7 as well.
> >>
> >> This version mostly just fixes a long standing memory leak.
> >>
> >> All of the reports for radeon have been good.  I'm still seeing a few
> >> odd things with Intel though.  The most severe issue is on my 965gm.
> >> After restarting X, it will hang in a way that I have never seen
> >> before...  The small amount of evidence that I have been able to collect
> >> suggests that this may be due to mesa trashing the hardware.  I've spent
> >> a couple of days trying to figure out exactly what could be wrong.  This
> >> morning I rebuilt my kernel with a stock drm from src and I got exactly
> >> the same hang.  Since this update does help lots of people and doesn't
> >> seem to make things worse than they were to begin with, I went ahead and
> >> committed it.
> >>
> >> I was incorrect about the patch to libdrm... It isn't needed in 2.3.1
> >> and it is already committed upstream.  I'll commit that update to ports
> >> soon also.  It, along with a recent xf86-video-* are needed to enable
> >> the new vblank behavior, which will disable vblank interrupts if there
> >> are no active consumers.
> >>
> >> robert.
> >>
> >
> > Do I need to update some ports? because with kernel from HEAD I have
> > encountered problems when drm is loaded (agp + drm + i915)
> > astro/stellarium caused deadlock, only mouse pointer could move, if I did
> > not
> > started it, system will panic anyway after some time. I did not yet tested
> > vty switching,....
> >
> > related hardware:
> >
> > hostb0 at pci0:0:0:0:      class=0x060000 card=0x30a2103c chip=0x27a08086
> > rev=0x03
> > hdr=0x00
> >     vendor     = 'Intel Corporation'
> >     device     = '955XM/945GM/PM/GMS/940GML Express Processor to DRAM
> > Controller'
> >     class      = bridge
> >     subclass   = HOST-PCI
> > vgapci0 at pci0:0:2:0:     class=0x030000 card=0x30a2103c chip=0x27a28086
> > rev=0x03 hdr=0x00
> >     vendor     = 'Intel Corporation'
> >     device     = 'Mobile 945GM/GU Express Integrated Graphics Controller'
> >     class      = display
> >     subclass   = VGA
> > vgapci1 at pci0:0:2:1:     class=0x038000 card=0x30a2103c chip=0x27a68086
> > rev=0x03 hdr=0x00
> >     vendor     = 'Intel Corporation'
> >     device     = 'Mobile 945GM/GU Express Integrated Graphics Controller'
> >     class      = display
> >
> > also if Xorg is never started, trying to unload agp.ko
> > (after unloading i915.ko and drm.ko) module will cause panic.
> >
> 
> Comparing to xf86-video-i815, xf86-video-intel is more stable (it doesnt panic, crash, hardlocks, ...), but still locks display when starting astro/stellarium.

Oh, yes you should be using xf86-video-intel.

robert.
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