[Intel-gfx] [Mesa3d-dev] i965 OpenGL is heavily broken again

[Jesse Barnes]

On Sat, 06 Mar 2010 16:40:27 +0200
Maxim Levitsky <maximlevitsky at gmail.com> wrote:

> On Sat, 2010-03-06 at 14:10 +0200, Maxim Levitsky wrote: 
> > On Sat, 2010-03-06 at 11:18 +0100, Florian Mickler wrote:
> > > On Fri, 05 Mar 2010 23:48:48 +0200
> > > Maxim Levitsky <maximlevitsky at gmail.com> wrote:
> > > 
> > > > On Fri, 2010-03-05 at 13:36 -0800, Jesse Barnes wrote:
> > > > > On Fri, 05 Mar 2010 23:18:07 +0200
> > > > > Maxim Levitsky <maximlevitsky at gmail.com> wrote:
> > > > > 
> > > > > > On Fri, 2010-03-05 at 12:55 -0800, Jesse Barnes wrote:
> > > > > > > On Fri, 05 Mar 2010 22:42:21 +0200
> > > > > > > Maxim Levitsky <maximlevitsky at gmail.com> wrote:
> > > > > > > 
> > > > > > > > After quite long period of inactivity, I updated graphical stack on my
> > > > > > > > desktop/server.
> > > > > > > > 
> > > > > > > > To say the truth, I did such update about month ago, but found out that
> > > > > > > > X refuses flatly to use DRI modules. I assumed that it was my mistake in
> > > > > > > > compilation process (although it is automated).
> > > > > > > 
> > > > > > > That generally indicates a build or config problem of some kind.  Did
> > > > > > > you ever narrow it down?
> > > > > > Because the same compile process works now, I suspect that wasn't build
> > > > > > failure.
> > > > > 
> > > > > Well something weird is going on; maybe you didn't build X after Mesa
> > > > > or with the right Mesa includes?
> > > > I am very sure that this issue isn't relevant now.
> > > > 
> > > > I do compile (libdrm, mesa, xserver, xf86-intel, and evdev driver in
> > > > that order, compiling everything from scratch (doing git clean -dfx in
> > > > all directories)
> > > 
> > > if you just want a working setup, perhaps you should try using
> > > something that got (probably) tested by at least some people:
> > >  	http://intellinuxgraphics.org/2009Q4.html
> > > cheers,
> > > Flo
> > 
> > Well, I now have a working setup with mesa 
> > ebbc73d1aed283c9bc4aa2b37bed4374bbaec5b5
> > 
> > The problem is that I hoped that once all heavy work in regard to KMS
> > was done, there will be no serious regressions in 3D stack, but only bug
> > fixes, because it is very hard to track and fix bugs there.
> > 
> > However, once again 3D stack is in bad shape, and this is not good.
> 
> 
> More testing shows the following behaviour:
> 
> 
> 
> Full screen mode is completely busted. As soon as any 3D application
> switches to full screen mode, even without changing the resolution, it
> hangs (note that I didn't see GPU hangs due to that)
> 
> Compiz is broken (its also a full screen app...). As soon as it starts,
> it draws few windows, and then stalls.
> 
> In window mode all applications do work.
> 
> 
> Now I guess this is worth a bugzilla entry.
> (If this isn't there yet...)

I'm not seeing this on GM45.  I just installed a totally fresh stack on
a new F12 installation and compiz and games work well.  But please file
a bug and include everything needed (see intellinuxgraphics.org for the
list); hope we can find the issue.

-- 
Jesse Barnes, Intel Open Source Technology Center