[Mesa-dev] [Bug 99604] kwin_x11 disabling compositing with mesa 17

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99604

            Bug ID: 99604
           Summary: kwin_x11 disabling compositing with mesa 17
           Product: Mesa
           Version: 17.0
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Other
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: fabio.coatti at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

I gave a try to mesa 17.0.0_rc2 and Kwin (kde plasma 5.8.5) deactivated
compositing with this message:

kwin_core: Failed to initialize compositing, compositing disabled
kwin_core: ShaderManager self test failed

Installing back mesa 13.0.3 the error disappeared and compositing worked again.

System: gentoo linux 
Intel KMS (no Xorg intel driver)
Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
(i5-3427U)
compiler:
gcc (Gentoo 5.4.0-r2 p1.2, pie-0.6.5) 5.4.0
plasma 5.8.5
kernel 4.9.6

I'm not sure if the issue is on mesa or kwin side, however it disappeared by
downgrading mesa.

If more info is needed just let me know.

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