[Bug 36984] New: Xcompmgr falls back to software engine with KMS on, artifacts with EXAPixmaps on

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36984

           Summary: Xcompmgr falls back to software engine with KMS on,
                    artifacts with EXAPixmaps on
           Product: xorg
           Version: 7.6
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: t_wiligh_t at yahoo.gr
         QAContact: xorg-team at lists.x.org


Distribution: Archlinux with latest Xorg
Graphic Card: ATI Radeon 9200 Mobility M9+ (R200 serries)
Kernel: stock Arch kernel 2.6.38.5-1

Whenever KMS is on xcompmgr and cairo-compmgr fall back to software rendering
engine and 2D/3D acceleration is lost. Once xcompmgr is stopped 2D/3D
acceleration returns. With KMS off xcompmgr works as intended but 3D
applications crash the whole desktop after a couple of seconds when they get
started.

I also get a lot of artifacts with EXAPixmaps on, I have to manually set in
xorg.conf to off.

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