Bug#548770: SIGSEV in DGAAvailable at startup

[Mathieu GELI <mathieu.geli@gmail.com>]

Package: xserver-xorg-video-intel
Version: 2:2.8.1-2
Severity: critical
Justification: renders box unusable in a proper graphical mode

Hi,
since the 2:2.8.1-2 upgrade, Xorg cannot start on my Intel Corporation
Mobile 945GM/GMS, 943/940GML based laptop.

following gdb backtrace is :

Program received signal SIGSEGV, Segmentation fault.
0x080c43f5 in DGAAvailable (index=0)
    at ../../../../hw/xfree86/common/xf86DGA.c:539
        in ../../../../hw/xfree86/common/xf86DGA.c
#0  0x080c43f5 in DGAAvailable (index=0)
    at ../../../../hw/xfree86/common/xf86DGA.c:539
#1  0x080f08cf in xf86DiDGAInit (pScreen=0x97a6770, dga_address=0)
    at ../../../../hw/xfree86/modes/xf86DiDGA.c:196
#2  0x080ed9e0 in xf86CrtcScreenInit (screen=0x97a6770)
    at ../../../../hw/xfree86/modes/xf86Crtc.c:773
#3  0xb7b6bbef in I830ScreenInit (scrnIndex=0, pScreen=0x97a6770, argc=1,
    argv=0xbfe56484) at ../../src/i830_driver.c:2788
#4  0x080712cd in AddScreen (pfnInit=0xb7b6ad40 <I830ScreenInit>, argc=1,
    argv=0xbfe56484) at ../../dix/main.c:702
#5  0x080adfa6 in InitOutput (pScreenInfo=0x81ef1c0, argc=1, argv=0xbfe56484)
    at ../../../../hw/xfree86/common/xf86Init.c:1245
#6  0x080719bb in main (argc=1, argv=0xbfe56484, envp=0xbfe5648c)
    at ../../dix/main.c:315

Cheers

-- 
Mathieu