| Bug ID | 103917 |
|---|---|
| Summary | [gfx9/Vega] Performance regression in master, 17.3 works fine |
| Product | Mesa |
| Version | git |
| Hardware | All |
| OS | All |
| Status | NEW |
| Severity | critical |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | vedran@miletic.net |
| QA Contact | dri-devel@lists.freedesktop.org |
I'm using Fedora rawhide (to become 28) along with Mesa 17.3.0-rc3, LLVM 5.0.0 and Kernel 4.15-git. If I install Mesa 17.3.0-rc5, everything still works fine. If I install Mesa git, everything works fine with 17.3-rc3 running desktop and 17.4 running games. After rebo a reboot, however, with Mesa git running both the desktop and games, performance in games is very bad, rougly 1 fps. I tried to bisect, but wasn't able to figure out what commit exactly is causing the problem. I compile Mesa with ./autogen.sh --enable-egl --enable-driglx-direct --disable-gles1 --enable-gles2 --enable-shared-glapi --enable-glx-tls --enable-dri --enable-texture-float --with-dri-drivers="" --with-egl-platforms=drm,wayland,surfaceless,x11 --with-gallium-drivers=r600,radeonsi,swrast --with-vulkan-drivers=radeon --enable-opencl --enable-opencl-icd PKG_CONFIG_PATH=/usr/local/lib64/pkgconfig --enable-nine --enable-gbm --enable-va --enable-vdpau --libdir=/usr/local/lib64; make clean; make -j4; make -j4 check
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