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

[bugzilla-daemon at freedesktop.org]

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

             Bug #: 47519
           Summary: Xorg hangs in ioCtl in path of
                    RADEONDownloadFromScreenCS
    Classification: Unclassified
           Product: xorg
           Version: 7.6 (2010.12)
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: tkrah at fachschaft.imn.htwk-leipzig.de
         QAContact: xorg-team at lists.x.org


Created attachment 58691
  --> https://bugs.freedesktop.org/attachment.cgi?id=58691
first trace

Hi,

using gnome-shell i am suffering many hangs a day.
Attached is a full BT where it does hang.

Even more serious - i am unable to get back to work again, i must reboot.
Restarting X the complete X server does hang at the main loop (looks like 47512
- but i don't know if they are related at all).
First StackTrace is a hang time (i did only scroll a Website @firefox when it
happened). Second one is the trace taken after i did call "service lightdm
restart", so new X server start.
I am using xorg-edgers ppa and 3.3.0 precise kernel.

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