[Bug 47519] Xorg hangs in ioCtl in path of RADEONDownloadFromScreenCS

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47519

Torsten Krah <tkrah at fachschaft.imn.htwk-leipzig.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|xorg-driver-ati at lists.x.org |sandmann at cs.au.dk
          QAContact|xorg-team at lists.x.org       |
          Component|Driver/Radeon               |Driver/qxl

--- Comment #10 from Torsten Krah <tkrah at fachschaft.imn.htwk-leipzig.de> 2012-03-22 04:27:32 PDT ---
First feedback:

After running 3 days with radeon.msi=0 it seems the hang is gone. Did not
suffer this problem until now.
I am using this config now:

/etc/X11/xorg.conf.d/20-radeon:

Section "Device"
        Identifier  "Card0"
        Option  "EnablePageFlip"        "on"
        Option  "ColorTiling"           "on"
        Option  "EXAPixmaps"            "off"
        Option  "AccelDFS"              "on"
        Option  "MigrationHeuristic" "greedy"
EndSection


"EXAPixmaps" is "off" because i see many artifacts sometimes on the screen
otherwise - maybe its the greedy option, did not test both exclusive. See the
screen for artifacts i am seeing, maybe someone can tell me if i can try other
options here than pixmap = off.

I'll test gnome3 fallback + lxde with openGl in the next days and provide
additional feedback.

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