All games maded with Unity engine in steam catalog crashes on AMD GPU, but worked on Intel GPU on same machine.

[Marek Olšák]

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.

Marek