[Bug 48001] New: Glitches with "EAXPixmaps" "on" (default) and cairo-xcb

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=48001

             Bug #: 48001
           Summary: Glitches with "EAXPixmaps" "on" (default) and
                    cairo-xcb
    Classification: Unclassified
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: mathias.anselmann at linux.com
         QAContact: xorg-team at lists.x.org


Hello,
I'm using "ati-dri 8.0.2" and I encounter artifacts like this:
http://i.imgur.com/2A2Kw.jpg
when using cairo (compiled with xcb-support) and the default radeon settings.
If I disable "EAXPixmaps" support in my xorg.conf everything is fine.
I realized the glitches in firefox and awesome window manager (in the top
panel).

This was also with cairo-xcb 1.10 (and ati-dri 7.11) an issue for me but since
yesterday's update to 1.12 the glitches come more frequently (browsing is more
or less impossible with enabled EAXPixmaps support).
Since I don't know whether this is cairo's or radeon's fault I'm opening a bug
report here as well as in the cairo bug tracker.

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