Xorg 7.4 crashes on exit

[Kevin Oberman]

> From: Robert Noland <rnoland at FreeBSD.org>
> Date: Mon, 30 Mar 2009 14:54:45 -0500
> 
> On Mon, 2009-03-30 at 12:38 -0700, Kevin Oberman wrote:
> > > From: Robert Noland <rnoland at FreeBSD.org>
> > > Date: Mon, 30 Mar 2009 12:15:34 -0500
> > > Sender: owner-freebsd-x11 at freebsd.org
> > > 
> > > On Mon, 2009-03-30 at 17:19 +0100, N.J. Mann wrote:
> > > > In message <1238427305.8491.333.camel at balrog.2hip.net>,
> > > > 	Robert Noland (rnoland at FreeBSD.org) wrote:
> > > > > On Mon, 2009-03-30 at 16:19 +0100, N.J. Mann wrote:
> > > > > > In message <1238424768.8491.331.camel at balrog.2hip.net>,
> > > > > > 	Robert Noland (rnoland at FreeBSD.org) wrote:
> > > > > > > On Mon, 2009-03-30 at 11:53 +0100, N.J. Mann wrote:
> > > > [snip]
> > > > > > > > Okay I tried out your recent changes this morning.
> > > > > > > > 
> > > > > > > > First I did a svn update to r190540 to bring my sources up to date and
> > > > > > > > then I built a new 7-Stable world and kernel and installed them.  Sadly,
> > > > > > > > I still got the video mode corruption on exiting X or switching from X
> > > > > > > > to a VT.  I then merged all the changes from head/sys/dev/drm to
> > > > > > > > stable/7/sys/dev/drm and tried again.  Unfortunately, I got the same
> > > > > > > > results.  (Xorg.log and dmesg.boot available if required.)  The changes
> > > > > > > > I merged were: 190020, 190021, 190022, 190023, 190123, 190124, 190125,
> > > > > > > > 190163, 190164, 190166, 190170, 190282, 190399, 190400, 19401 and
> > > > > > > > 190433.  Some of these were probably not relevant, but I did everything
> > > > > > > > to make it easier for me.  (I am very much still testing the water with
> > > > > > > > svn and this was the first time I tried doing a merge!)
> > > > > > > > 
> > > > > > > > Any ideas where to go from here?
> > > > > > > 
> > > > > > > Which chip do you have?  I have a patch now that fixes vblank issues, at
> > > > > > > least I can't break it.  This corruption issue on shutdown still exists,
> > > > > > > but I've never had a problem vt switching.  I'm told that something is
> > > > > > > still wrong with interrupts on g45 though.
> > > > > > 
> > > > > > Is this the information you require?
> > > > > > 
> > > > > > % grep '^\(vga\|agp\|drm\)' r19054M.dmesg.boot
> > > > > > vgapci0: <VGA-compatible display> port 0xf140-0xf147 mem 0xff900000-0xff97ffff,0xd0000000-0xdfffffff,0xff700000-0xff7fffff irq 16 at device 2.0 on pci0
> > > > > > agp0: <Intel G33 SVGA controller> on vgapci0
> > > > > > vgapci0: Reserved 0x10000000 bytes for rid 0x18 type 3 at 0xd0000000
> > > > > > vgapci0: Reserved 0x80000 bytes for rid 0x10 type 3 at 0xff900000
> > > > > > vgapci0: Reserved 0x100000 bytes for rid 0x1c type 3 at 0xff700000
> > > > > > agp0: detected 7164k stolen memory
> > > > > > agp0: aperture size is 256M
> > > > > > drm0: <Intel G33> on vgapci0
> > > > > > vgapci0: Reserved 0x80000 bytes for rid 0x10 type 3 at 0xff900000
> > > > > > vgapci0: child drm0 requested pci_enable_busmaster
> > > > > > vga: vga0 already exists; skipping it
> > > > > > vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> > > > > > 
> > > > > > The MB is a Intel DG31GL, which incorporates an Intel GMA 3100 graphics
> > > > > > adapter.
> > > > > 
> > > > > Ok, you can try
> > > > > http://people.freebsd.org/~rnoland/drm-intel-fix-033009.patch
> > > > 
> > > > Okay, I am doing a buildkernel now.  However, I will not be able to test
> > > > this until later tonight (here) because I now have to go and prepare the
> > > > evening meal. :-)
> > > > 
> > > > Thanks for all your help.
> > > 
> > > I think maybe I just found the source of some of the issues... let me do
> > > a little more testing and I'll get back to you soon.
> > 
> > This may be of no value, but it might be a useful data point.
> > 
> > I have been seeing what sounds like the same thing on my laptop. When I
> > attempt to exit X, the screen undergoes several changes, ending up with
> > seemingly randomly colored squares that I'd estimate at 8x8 pixels over
> > the left third of my screen and vertical stripes which may be duplicates
> > of one line of my background on the remainder.
> > 
> > The display just sits there and I have no way to see any console
> > messages, but the console keyboard is alive and well and I can enter
> > commands (such as 'shutdown -r now') and they work, assuming no typos.
> > 
> > If I attempt to shutdown from Gnome, I get the same result except the
> > shutdown completes in about the normal time and the system reboots.
> > 
> > One very significant difference from other reports is that I am not
> > running Intel graphics. I have an ATI(AMD) Radeon X300.
> > 
> > Seems odd (though not unbelievable) that two drivers would exhibit the
> > same mis-behavior, at least in terms the the symptoms.
> 
> Is this on CURRENT or STABLE and do you know at least approximately when
> you started seeing the issue?
> 
> robert.
> 
> -- 
> Robert Noland <rnoland at FreeBSD.org>
> FreeBSD

It is on stable and I THINK it started when I updated my system to
7.2-PRERELEASE last week. My previous Stable was on February 7 and it
pre-dated the Xorg-1.5.3 server update on the system.

I normally update ports daily, but I did delay the Xorg update for a
week or two to let dust settle.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751