https://bugs.freedesktop.org/show_bug.cgi?id=66967
Priority: medium Bug ID: 66967 Assignee: dri-devel@lists.freedesktop.org Summary: Dota 2 crashes with r600g when starting the tutorial Severity: normal Classification: Unclassified OS: All Reporter: tilman@code-monkey.de Hardware: Other Status: NEW Version: git Component: Drivers/Gallium/r600 Product: Mesa
Created attachment 82486 --> https://bugs.freedesktop.org/attachment.cgi?id=82486&action=edit Log
When trying to start the tutorial in today's version of Dota 2, there's a segfault in check_begin_texture_render():
Program received signal SIGSEGV, Segmentation fault. 0xf5397c5a in check_begin_texture_render (ctx=0x8bb4000, fb=0x17e90700) at ../../src/mesa/main/fbobject.c:1871 1871 if (att->Texture && att->Renderbuffer->TexImage) { (gdb) p *att $3 = {Type = 5890, Complete = 0 '\000', Renderbuffer = 0x0, Texture = 0x17e88500, TextureLevel = 0, CubeMapFace = 0, Zoffset = 0, Layered = 0 '\000'}
att->Renderbuffer is dereferenced even though it's null.
I can reproduce this segfault reliably with Mesa git-e4fdf1b on my rv730.
The log I'm attaching shows a bunch of messages like
##### CMaterialReference::Init got error material for dev\white in tex group Other textures
that might be related.
https://bugs.freedesktop.org/show_bug.cgi?id=66967
--- Comment #1 from Tilman Sauerbeck tilman@code-monkey.de --- Ugh, I forgot to post the backtrace:
#0 0xf538fc5a in check_begin_texture_render (ctx=0x8bbe000, fb=0x17da4a80) at ../../src/mesa/main/fbobject.c:1871 #1 0xf539007d in _mesa_BindFramebuffer (target=36160, framebuffer=24) at ../../src/mesa/main/fbobject.c:2018 #2 0xf730f3d1 in ?? () from /home/tilman/.local/share/Steam/SteamApps/common/dota 2 test/bin/libtogl.so #3 0xf7302e30 in IDirect3DDevice9::UpdateBoundFBO() () from /home/tilman/.local/share/Steam/SteamApps/common/dota 2 test/bin/libtogl.so #4 0xf7303070 in IDirect3DDevice9::Clear(unsigned int, _D3DRECT const*, unsigned int, unsigned int, float, unsigned int) () from /home/tilman/.local/share/Steam/SteamApps/common/dota 2 test/bin/libtogl.so #5 0xf1a10849 in ?? () from /home/tilman/.local/share/Steam/SteamApps/common/dota 2 test/bin/shaderapidx9.so #6 0xf375ef8f in ?? () from /home/tilman/.local/share/Steam/SteamApps/common/dota 2 test/bin/materialsystem.so #7 0xee553ea7 in ?? () from /home/tilman/.local/share/Steam/SteamApps/common/dota 2 test/dota/bin/client.so [...]
https://bugs.freedesktop.org/show_bug.cgi?id=66967
--- Comment #2 from Tilman Sauerbeck tilman@code-monkey.de --- With a driver that was configured with --enable-texture-float, it doesn't crash in that particular spot anymore.
Instead it now crashes in dota 2 beta/bin/stdshader_dx9.so. Strangely, it does _not_ crash if you run it in apitrace. I don't know what to make of that.
https://bugs.freedesktop.org/show_bug.cgi?id=66967
--- Comment #3 from Daniel shaddow2k@gmail.com --- I'm not sure if I and others experience the same problem as you, but when I try to start the first tutorial mission in DotA 2 (or change the resolution in the options menu), the game crashes. I reported my issues first at the Valve bugtracker: https://github.com/ValveSoftware/Dota-2/issues/597 https://github.com/ValveSoftware/Dota-2/issues/598
User dabreese00 compiled a collection of all similiar bug reports in the following meta-issue: https://github.com/ValveSoftware/Dota-2/issues/655
It seems to boil down to a general shader issue with Mesa, as users with Intel & R600 drivers are having the problems. When one delete certain shader files the game will start.
User Plagman there said "These GLSL shaders should be syntactically correct, so I suggest filing a bug against Mesa instead and using the official AMD driver until this is fixed on their end."
The latest version I did try was mesa/lib32-mesa 9.3.0_devel.57891-1.
I would really appreciate if you could take a look into the problem.
This bug report might be related to https://bugs.freedesktop.org/show_bug.cgi?id=55241
https://bugs.freedesktop.org/show_bug.cgi?id=66967
--- Comment #4 from Tilman Sauerbeck tilman@code-monkey.de --- (In reply to comment #3)
I'm not sure if I and others experience the same problem as you, but when I try to start the first tutorial mission in DotA 2 (or change the resolution in the options menu), the game crashes.
I can change the resolution just fine.
It seems to boil down to a general shader issue with Mesa, as users with Intel & R600 drivers are having the problems. When one delete certain shader files the game will start.
Nope, deleting/renaming the fxc subdirectory doesn't help on my system.
Looks like I'm seeing a different problem than you are.
https://bugs.freedesktop.org/show_bug.cgi?id=66967
Tilman Sauerbeck tilman@code-monkey.de changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |INVALID
--- Comment #5 from Tilman Sauerbeck tilman@code-monkey.de --- (In reply to comment #2)
With a driver that was configured with --enable-texture-float, it doesn't crash in that particular spot anymore.
resolved/invalid.
Instead it now crashes in dota 2 beta/bin/stdshader_dx9.so. Strangely, it does _not_ crash if you run it in apitrace. I don't know what to make of that.
This might have been a bug in dota2.
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