[Nouveau] [Bug 21124] New: nouveau: fonts "chipped" on NV44

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=21124

           Summary: nouveau: fonts "chipped" on NV44
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: marti at juffo.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=24711)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=24711)
Screenshot of the artifacts

I'm seeing chipped letters (see screenshot) when using the nouveau driver with
my Nvidia GeForce 6200; some of the rightmost pixels of letters are sometimes
made transparent. Screenshot: http://www.juffo.org/junk/nouveau-fonts.png

No relevant errors/warnings found in Xorg.0.log

Most, but not all programs exhibit this behavior. Exceptions that I have
observed include the URXVT and xterm terminal emulators, and also window
titlebars (using xfwm4). All fonts look normal with NVIDIA's proprietary
drivers.

Using xf86-video-nouveau from git revision
d8545e669aaa4362a236ba2e7231ca27ffdea1bd and libdrm revision
fef29358bb407f35b90e8c6ee913e4979786cfd5; compiled using packages from the
nouveau Portage overlay.

lspci reports this:
01:00.0 VGA compatible controller: nVidia Corporation NV44 [GeForce 6200
TurboCache(TM)] (rev a1) (prog-if 00 [VGA controller])

This is on a native AMD64 Gentoo system (no insane CFLAGS). Versions:
vanilla-sources-2.6.28.7
xorg-server-1.5.3-r5
cairo-1.8.6-r1
pango-1.22.4
gtk+-2.12.12


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