root@debian:/media/dati/dev/build/mesa# git bisect log                                                                                                                                                                                                                         
git bisect start                                                                                                                                                                                                                                                               
# bad: [a4678311bec7ea03531142c2f7d12572a296ce29] st/mesa: 78-column wrapping in st_extensions.c                                                                                                                                                                               
git bisect bad a4678311bec7ea03531142c2f7d12572a296ce29                                                                                                                                                                                                                        
# good: [3c9ed2015c549c209964d053ca86734a04cb0f76] nvc0: enable compute shaders on Fermi                                                                                                                                                                                       
git bisect good 3c9ed2015c549c209964d053ca86734a04cb0f76                                                                                                                                                                                                                       
# bad: [4cd5e5b48e24a8b8ff7255022208d3e5fe6557d8] nouveau: update the Makefile.sources list                                                                                                                                                                                    
git bisect bad 4cd5e5b48e24a8b8ff7255022208d3e5fe6557d8                                                                                                                                                                                                                        
# good: [e1b21696a3c2c23ba401fab58ef042d31f7f6273] radeonsi: add VS epilog                                                                                                                                                                                                     
git bisect good e1b21696a3c2c23ba401fab58ef042d31f7f6273                                                                                                                                                                                                                       
# good: [754cf171e90cc61d135e7c45f8be319ee2db02a5] radeonsi: print full shader name before disassembly                                                                                                                                                                         
git bisect good 754cf171e90cc61d135e7c45f8be319ee2db02a5                                                                                                                                                                                                                       
# bad: [1fe73d55e3f92b1dfbd619d46fd892fd169ae796] radeonsi: move some struct si_shader members to new struct si_shader_info                                                                                                                                                    
git bisect bad 1fe73d55e3f92b1dfbd619d46fd892fd169ae796                                                                                                                                                                                                                        
# bad: [10fa269f4f8e3d58c10e7b3ab317e2d65f8f2f3c] radeonsi: use smaller types for some si_shader members                                                                                                                                                                       
git bisect bad 10fa269f4f8e3d58c10e7b3ab317e2d65f8f2f3c                                                                                                                                                                                                                        
root@debian:/media/dati/dev/build/mesa# git bisect run                                                                                                                                                                                                                         
running                                                                                                                                                                                                                                                                        
10fa269f4f8e3d58c10e7b3ab317e2d65f8f2f3c is the first bad commit                                                                                                                                                                                                               
commit 10fa269f4f8e3d58c10e7b3ab317e2d65f8f2f3c                                                                                                                                                                                                                                
Author: Marek Ol?ák <marek.olsak@amd.com>                                                                                                                                                                                                                                      
Date:   Thu Feb 11 21:06:33 2016 +0100                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                               
    radeonsi: use smaller types for some si_shader members                                                                                                                                                                                                                     
                                                                                                                                                                                                                                                                               
    in order to decrease the shader size for a shader cache.                                                                                                                                                                                                                   
                                                                                                                                                                                                                                                                               
    v2: add & use SI_MAX_VS_OUTPUTS                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                               
    Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                               
:040000 040000 2a139da082ec0152a120301dd4c470bd40107e48 75f88cd85d26ca46c2094ce9a1d781d2bf0fd2ce M      src                                                                                                                                                                    
bisect run success