[Bug 2650] New: Temporary freeze triggered by big screen updates

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https://bugs.freedesktop.org/show_bug.cgi?id=2650          
     
           Summary: Temporary freeze triggered by big screen updates
           Product: xorg
           Version: 6.8.1
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: Driver/s3savage
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: hacksaw at hacksaw.org


Every so often, usually triggered by fast scrolling in Firefox, or when
switching between workspaces, the screen will freeze for about ten seconds.

In trying to trace this, I discovered that during these freezes, the X server
suddenly demands all the CPU cycles it can get, usually going up to 99.9%, then
falling back down precipitously.

Not loading the dri module helps but doesn't eliminate the problem. Starting
with a depth of 16 doesn't help.          
     
     
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