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    Xorg (full build of the git current git tree) running on a linux 3.5
    PC with intel 915GM graphics <br>
    segfaults reliably during server shutdown, see <a
      href="https://bugs.freedesktop.org/show_bug.cgi?id=52440">Bug
      52440.</a><br>
    <br>
    Program received signal SIGSEGV, Segmentation fault.<br>
    0x081a8624 in RRCrtcDetachScanoutPixmap (crtc=0x834ed80) at
    rrcrtc.c:370<br>
    370<br>
    (gdb) bt f<br>
    #0  0x081a8624 in RRCrtcDetachScanoutPixmap (crtc=0x834ed80) at
    rrcrtc.c:370<br>
            master = 0x18<br>
            ret = -1223076295<br>
            mscreenpix = 0x8338b70<br>
            pScrPriv = 0xb70c4ce0<br>
    #1  0x08112ba6 in xf86CrtcCloseScreen (screen=0x8350fe0) at
    xf86Crtc.c:738<br>
            crtc = 0x83398b0<br>
            scrn = 0x83380a8<br>
            config = 0x8338b70<br>
            o = 7<br>
            c = 1<br>
    #2  0x080cb14d in DGACloseScreen (pScreen=0x8350fe0) at
    xf86DGA.c:288<br>
            pScreenPriv = 0x835a3f0<br>
    #3  0x080cf751 in DPMSClose (pScreen=0x8350fe0) at xf86DPMS.c:130<br>
            pDPMS = 0x8372430<br>
            pScrn = 0x83380a8<br>
    #4  0x0814abe7 in XvCloseScreen (pScreen=0x8350fe0) at xvmain.c:311<br>
            pxvs = 0x8351390<br>
    #5  0x081cd078 in SyncCloseScreen (pScreen=0x8350fe0) at
    misync.c:172<br>
            pScreenPriv = 0x8372444<br>
    #6  0x08136d3c in CursorCloseScreen (pScreen=0x8350fe0) at
    cursor.c:205<br>
            cs = 0x83610c8<br>
            ret = 136096396<br>
            close_proc = 0x8136ca0 <CursorCloseScreen><br>
            display_proc = 0x8136ad5 <CursorDisplayCursor><br>
            constrain_proc = 0x8138df1
    <CursorConstrainCursorHarder><br>
    #7  0x081cabb4 in AnimCurCloseScreen (pScreen=0x8350fe0) at
    animcur.c:106<br>
            as = 0x8365460<br>
            ret = -1074366248<br>
    #8  0x081322af in compCloseScreen (pScreen=0x8350fe0) at
    compinit.c:85<br>
            cs = 0x83660c0<br>
            ret = -1222052928<br>
    #9  0x080d6650 in VidModeClose (pScreen=0x8350fe0) at
    xf86VidMode.c:111                                                                                                            
    <br>
            pVidMode =
    0x8366638                                                                                                                                                       
    <br>
    #10 0xb700f981 in glxCloseScreen (pScreen=Cannot access memory at
    address
    0xbff67960                                                                                               
    <br>
    ) at
    glxscreens.c:188                                                                                                                                                              
    <br>
            pGlxScreen = <error reading variable pGlxScreen (Cannot
    access memory at address
    0xbff6794c)>                                                                              
    <br>
    Cannot access memory at address 0xbff6795c<br>
    <br>
    cu,<br>
     Knut
                                                                                                                                        
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