[Bug 99679] DRI PRIME doesn't always work with intel/radeon

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99679

            Bug ID: 99679
           Summary: DRI PRIME doesn't always work with intel/radeon
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: lev258 at freemail.hu

Hello.
I am running Ubuntu 16.04, with MATE installed later on it, using the latter
currently. Beside normal system updates, I am using the Mesa stable ppa.
Recently I started using DRI_PRIME=1 in some cases, to make the AMD videocard
working. I found that it doesn't always work and the Intel one is used instead,
like DRI_PRIME didn't even matter to it. This happens with Unigine Heaven,
Steam and even glxinfo.
Strangely, glxgears is not affected, it always does what it should be.
I cannot reproduce this behaviour, it just happens sometimes. And it seems to
solve itself after a reboot.
Tell me, what you need to look into it.
Thanks.
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT 
Integrated Graphics Controller (rev 09)
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. 
[AMD/ATI] Venus PRO [Radeon HD 8850M / R9 M265X] (rev ff)

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