On Tue, 2018-01-30 at 22:38 +0100, Marek Olšák wrote: > On Tue, Jan 30, 2018 at 10:36 PM, Marek Olšák <maraeo at gmail.com> > wrote: > > On Tue, Jan 30, 2018 at 10:04 PM, mikhail <mikhail.v.gavrilov at gmail > > .com> wrote: > > > On Tue, 2018-01-30 at 20:12 +0100, Marek Olšák wrote: > > > > Can you record an apitrace on a driver that is not radeonsi? > > > > > > All traces from five listed games was recorded on Intel GPU (not > > > radeonsi). > > > I also understood why for some games traces was not recorded > > > yesterday. > > > It happens because such games are 32 bit and for correct working > > > apitrace was needed apitrace-libs-7.1-7.fc27.i686 package, but > > > only > > > apitrace-libs-7.1-7.fc27.x86_64 was installed. > > > > > > > If yes, can you correctly replay the apitrace on a driver that > > > > is not > > > > radeonsi? > > > > > > All traces was correctly replayed on Intel GPU (not radeonsi). > > > > > > > If yes, can you reproduce the crash if you replay the apitrace > > > > on > > > > radeonsi? > > > > > > All traces also was correctly replayed on AMD Vega 56 GPU > > > (radeonsi) > > > without crashes. > > > > > > What does this give us? > > > > > > Anyway launching listed games under AMD Vega 56 GPU lead to new > > > crases. > > > > Thanks. It's possible that Unity contains its own version of LLVM > > or > > its own version of some standard libraries that LLVM uses, and > > radeonsi doesn't like when games replace its dependencies. > > It's also possible that some symbols exported by Unity clash with > those exported by LLVM. > > Marek > I am created thread in Unity forum with describeb issue and link to this thread: https://forum.unity.com/threads/all-games-maded-with-unity-engine-crash es-on-amd-gpu-but-worked-on-intel-gpu-on-same-machine.515193/#post-3376 548 And got answer from Tak: This looks like a driver crash in free/delete after mesa_glsl_link_shader. I don't believe that Unity is duplicating these symbols (as concluded in the freedesktop thread) - as far as I can tell, this is all in the radeonsi driver.