https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #1 from Michael Lange michaell@gmx.org 2012-09-22 09:48:57 UTC --- Created attachment 67541 --> https://bugs.freedesktop.org/attachment.cgi?id=67541 dmesg

https://bugs.freedesktop.org/show_bug.cgi?id=55217

rboudot@hotmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |rboudot@hotmail.com

--- Comment #3 from rboudot@hotmail.com 2012-09-22 13:52:29 UTC --- Me too

Also Unity on Ubuntu 12.04 displays black screen with only the mouse pointer. Switching to another virtual console or logging in Unity 2D works though.

Radeon HD3450 (RV620) on Ubuntu 12.04 + OIBAF PPA

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #5 from Michael Lange michaell@gmx.org 2012-09-22 17:32:05 UTC --- sorry, but which PATH environment variables i have to set?

LD_LIBRARY_PATH="~/mesa/src/glx" glxgears does not work

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #7 from Michael Lange michaell@gmx.org 2012-09-22 19:33:01 UTC --- yes ... i have google for it ;) so i should bisect mesa-git, right?

* i have clone the mesa-git with git clone git://anongit.freedesktop.org/git/mesa/mesa * cd mesa * git checkout 9aa8bac9 (i think this was working "date 2012-09-19") * ./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --disable-dependency-tracking --enable-dri --enable-glx --enable-texture-float --disable-debug --enable-egl --enable-gbm --enable-gles1 --enable-gles2 --enable-glx-tls --disable-osmesa --enable-asm --enable-shared-glapi --enable-xa --enable-xorg --with-dri-drivers= --with-gallium-drivers=,swrast,r600 --with-egl-platforms=x11,drm --enable-gallium-egl --enable-gallium-g3dvl --enable-gallium-llvm --disable-openvg --enable-r600-llvm-compiler --disable-vdpau --enable-xvmc * make * now i would like testing mesa, but how? running glxgears uses the system-libs from /usr/lib64.

with EGIT_COMMIT="9aa8bac98b823e8783bc3a06a6e5b23fbf8d87fb" emerge mesa i got a working mesa.

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #9 from Matt Turner mattst88@gmail.com 2012-09-22 20:34:51 UTC --- (In reply to comment #8)

my system is working and running with a mesa-build from 2012-09-19 how i could test the mesa-build in my home-dir?

You can set where to look for shared libraries by settings LD_LIBRARY_PATH=... and where to look for DRI drivers with LIBGL_DRIVERS_PATH=...

E.g., LD_LIBRARY_PATH=<directory where libGL.so.1 lives> LIBGL_DRIVERS_PATH=<directory where r600_dri.so lives> glxgears

will run glxgears with your new Mesa.

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #11 from Fabio Pedretti fabio.ped@libero.it 2012-09-23 07:07:12 UTC --- (In reply to comment #10)

I can't reproduce this. Mesa master on RS880 is working fine here.

A quick search in the git log returned this: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7b4aefd3c9c1b04832306b8114b...

Did you compile with --enable-r600-llvm-compiler ? It's enabled in my PPA.

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #13 from Michael Lange michaell@gmx.org --- (In reply to comment #9)

E.g., LD_LIBRARY_PATH=<directory where libGL.so.1 lives> LIBGL_DRIVERS_PATH=<directory where r600_dri.so lives> glxgears

will run glxgears with your new Mesa.

thanks, this works

currently bisecting mesa - two steps to go

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #15 from Tom Stellard tstellar@gmail.com --- (In reply to comment #14)

If you are using the llvm compiler setting the environment variable R600_LLVM=0 will cause the driver to fall back to the TGSI compiler and should fix the rendering errors.

It would be helpful if someone could run one of the affected programs with the R600_DUMP_SHADES=1 environment variable set and post the output.

Sorry, typo above. The environment variable is R600_DUMP_SHADERS=1

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #17 from Michael Lange michaell@gmx.org --- Created attachment 67582 --> https://bugs.freedesktop.org/attachment.cgi?id=67582&action=edit R600_DUMP_SHADERS=1

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #19 from Michael Lange michaell@gmx.org --- in case it is important, i have set some environment variables

belly@jelly ~/mesa $ env | grep R600 R600_STREAMOUT=1 R600_HYPERZ=1 R600_GLSL130=1 R600_TILING=1 R600_SURF=1

this was set for a few months to test something, i forgot to reset this

https://bugs.freedesktop.org/show_bug.cgi?id=55217

--- Comment #21 from Michael Lange michaell@gmx.org --- (In reply to comment #20)

Created attachment 67586 [details] [review] Possible fix

Does this patch fix the problem?

your patch works tested with the latest mesa-version from git

https://bugs.freedesktop.org/show_bug.cgi?id=55217

Fabio Pedretti fabio.ped@libero.it changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED

--- Comment #23 from Fabio Pedretti fabio.ped@libero.it --- Fixed with 92b033a89ebd46d640ecb2592159087a87e5516e .