Openmoko Bug #2242: [Xglamo] crash with xcompmgr

[Openmoko Public Trac]

#2242: [Xglamo] crash with xcompmgr
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 Reporter:  Richard.Kralovic  |          Owner:  openmoko-devel          
     Type:  defect            |         Status:  new                     
 Priority:  normal            |      Milestone:                          
Component:  unknown           |        Version:  FSO-MS2                 
 Severity:  normal            |       Keywords:  Xglamo, composite, crash
 Haspatch:  0                 |      Blockedby:                          
Estimated:                    |    Patchreview:                          
 Blocking:                    |   Reproducible:                          
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 I was playing a bit with the composite extension and xcompmgr (FSO
 milestone 5, kernel 2.6.28, xserver-kdrive-
 glamo-1_1.3.0.0+gitr9b28d998424c77fbc057dd3a022ccbb122793a52-r3). It works
 quite ok, but Xglamo crashes occasionaly. It is quite easily reporducible
 - just run xcompmgr and open a lot of applications. I was able to get the
 following backtrace in gdb:

 #0  0x000577f4 in KdOffscreenAlloc ()
 #1  0x00050888 in kaaMoveInPixmap ()
 #2  0x000509f4 in kaaPixmapUseScreen ()
 #3  0x00050ba8 in kaaCopyNtoN ()
 #4  0x000696ac in fbCopyRegion ()
 #5  0x00069cbc in fbDoCopy ()
 #6  0x0004fd28 in kaaCopyArea ()
 #7  0x000ed180 in cwCopyArea ()
 #8  0x000e8de4 in damageCopyArea ()
 #9  0x000ed180 in cwCopyArea ()
 #10 0x000e8de4 in damageCopyArea ()
 #11 0x000398d0 in ProcCopyArea ()
 #12 0x000b3b1c in XaceCatchDispatchProc ()
 #13 0x0003b4c8 in Dispatch ()
 #14 0x0002376c in main ()

 You can see the full core dump at
 http://kedrigern.dcs.fmph.uniba.sk/~riso/xglamo.dump

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Ticket URL: <https://docs.openmoko.org/trac/ticket/2242>
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