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Fence emission can flush the push buffer, which through flush_notify unreferences recently emitted fence. If ref count is increased after fence emission, unreference deletes the fence, which causes SIGSEGV. Backtrace: nouveau_fence_del nouveau_fence_ref nouveau_fence_next nouveau_pushbuf_flush MARK_RING nv50_screen_fence_emit nouveau_fence_emit nv50_flush This bug manifested as an assertion failure in nouveau_fence.c, because SIGSEGV handler tried to shutdown the application and used messed up fence. This issue was reported by Maxim Levitsky. Note: This is a candidate for the 7.11 branch. |
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File: docs/README.WIN32 Last updated: 23 April 2011 Quick Start ----- ----- Windows drivers are build with SCons. Makefiles or Visual Studio projects are no longer shipped or supported. Run scons osmesa mesagdi to build classic mesa Windows GDI drivers; or scons libgl-gdi to build gallium based GDI driver. This will work both with MSVS or Mingw. Windows Drivers ------- ------- At this time, only the gallium GDI driver is known to work. Source code also exists in the tree for other drivers in src/mesa/drivers/windows, but the status of this code is unknown. General ------- After building, you can copy the above DLL files to a place in your PATH such as $SystemRoot/SYSTEM32. If you don't like putting things in a system directory, place them in the same directory as the executable(s). Be careful about accidentially overwriting files of the same name in the SYSTEM32 directory. The DLL files are built so that the external entry points use the stdcall calling convention. Static LIB files are not built. The LIB files that are built with are the linker import files associated with the DLL files. The si-glu sources are used to build the GLU libs. This was done mainly to get the better tessellator code. If you have a Windows-related build problem or question, please post to the mesa-dev or mesa-users list.