| Priority | medium |
|---|---|
| Bug ID | 76190 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | [r600g-evergreen] GPU hang in Stunt Rally (bisected) |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | b.bellec@gmail.com |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/r600 |
| Product | Mesa |
In Stunt Rally (v2.2.1), when applying specific graphic settings, the GPU hang few seconds after a race is started. This is since commit 7e414b58640aee6e243d337e72cea290c354f632 glsl: break the gl_FragData array into separate gl_FragData[i] variables author: Marek Olšák date: 2013-10-29 22:50:01 (GMT) Easy steps to reproduce: 1- Download and extract the Linux game binary here: http://sourceforge.net/projects/stuntrally/files/2.2.1/ 2- Launch the game with the shell script (./StuntRally-2.2.1-linux/stuntrally) (it will launch a 64-bit binary on a 64-bit system) 3- Set the graphical settings to "Lowest", and close the game 4- Relaunch the game, and set this settings now: -> Graphics > Vegetation > "Trees multiplier" to 1.00 (in fact any value but 0.0) -> Graphics > Vegetation > check "Use Impostors" -> Graphics > Vegetation > uncheck "Impostors Only" -> Effects > check "Effects enabled" -> Effects > check "Soft Particules" 5- Close and relaunch the game in order to be sure that these new settings are applied 6- Start a "Single race", use the default one (track "I6-Flooded") If one of these gfx settings is different, the GPU will not hang. The last good commit (aec20d66d9d13e0acd6a7199b63e1383e1e9900a) doesn't hangs the GPU when these settings are applied. R600_DEBUG=nosb doesn't solve the issue. I also tested with RV770 and there is no problem (expect rendering bugs for some things but not sure this commit is the problem in that case). I tried to test with nouveau too (nv40 driver on a NV49/7900GT) but the game crash at start (segfault), with git master or even with the commit aec20d66d9). Note that the game Stunt Rally have many graphical settings available, I don't know if all are very well handled by mesa. Game bugs or mesa "bugs"... I don't know. Config: Fedora 19 x86-64 kernel 3.13.5-103.fc19.x86_64 libdrm 2.4.50 AMD CYPRESS (Radeon HD5870 with 1GB VRAM) Build: ./autogen.sh --with-gallium-drivers=r600,nouveau --with-dri-drivers= --enable-texture-float --disable-dri3 --disable-r600-llvm-compiler --disable-gallium-llvm --enable-64-bit CFLAGS="-O0 -g -m64" CXXFLAGS="-O0 -g -m64" --libdir=/usr/lib64
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