Created attachment 356490 [details]
Xorg.0.log file from incident

Description of problem:
For the last about 1 week X11 segfaults instead of running. GDM logs informs that session lasted fraction of second. There were few updates lately to Intel driver and Xorg itself, but situation haven't change in slightest way. I have my rawhide updated to most current daily.

Version-Release number of selected component (if applicable):
kernel-2.6.31-0.125.rc5.git2.fc12.x86_64
xorg-x11-drv-intel-2.8.0-3.fc12.x86_64
xorg-x11-server-Xorg-1.6.99-25.20090804.fc12.x86_64


How reproducible:
Always.

Steps to Reproduce:
1. Boot Fedora and wait for GDM screen.
  
Actual results:
Crash.

Additional info:
Hardware is Dell Optiplex GX620 with 00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)

Here is tail of Xorg.0.log; full version as attachment.
(II) Module fbdev: vendor="X.Org Foundation"
	compiled for 1.6.99.1, module version = 0.4.1
	ABI class: X.Org Video Driver, version 6.0
(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
	i810-dc100, i810e, i815, i830M, 845G, 852GM/855GM, 865G, 915G,
	E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G,
	965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45,
	4 Series, G45/G43, Q45/Q43, G41, Clarkdale, Arrandale
(II) VESA: driver for VESA chipsets: vesa
(II) FBDEV: driver for framebuffer: fbdev
(II) Primary Device is: PCI 00@00:02:0
(WW) Falling back to old probe method for vesa
(WW) Falling back to old probe method for fbdev
(II) Loading sub module "fbdevhw"
(II) LoadModule: "fbdevhw"
(II) Loading /usr/lib64/xorg/modules/linux/libfbdevhw.so
(II) Module fbdevhw: vendor="X.Org Foundation"
	compiled for 1.6.99.1, module version = 0.0.2
	ABI class: X.Org Video Driver, version 6.0

Backtrace:
0: /usr/bin/Xorg(xorg_backtrace+0x28) [0x45f3b8]
1: /usr/bin/Xorg [0x462d39]
2: /lib64/libpthread.so.0 [0x7fa5b32674c0]
3: /lib64/libc.so.6 [0x7fa5b1aa1b26]
4: /lib64/libc.so.6 [0x7fa5b1a91150]
5: /lib64/libc.so.6(__isoc99_vsscanf+0x65) [0x7fa5b1a808f5]
6: /lib64/libc.so.6(__isoc99_sscanf+0x88) [0x7fa5b1a80888]
7: /usr/bin/Xorg [0x474e8d]
8: /usr/bin/Xorg(InitOutput+0x52f) [0x470c0f]
9: /usr/bin/Xorg [0x4227aa]
10: /lib64/libc.so.6(__libc_start_main+0xfd) [0x7fa5b1a3ab8d]
11: /usr/bin/Xorg [0x4224f9]

Link map:
0x7fff2a2ff000: (vdso)
0x7fa5b4367000: /usr/lib64/libxf86config.so.0
0x7fa5b4160000: /usr/lib64/libpciaccess.so.0
0x7fa5b3f2b000: /usr/lib64/libXfont.so.1
0x7fa5b3d29000: /usr/lib64/libXau.so.6
0x7fa5b3b22000: /usr/lib64/libfontenc.so.1
0x7fa5b38c6000: /usr/lib64/libpixman-1.so.0
0x7fa5b36b6000: /usr/lib64/libhal.so.1
0x7fa5b3475000: /lib64/libdbus-1.so.3
0x7fa5b3258000: /lib64/libpthread.so.0
0x7fa5b3053000: /usr/lib64/libXdmcp.so.6
0x7fa5b2e01000: /usr/lib64/libssl.so.8
0x7fa5b2a77000: /usr/lib64/libcrypto.so.8
0x7fa5b2873000: /lib64/libdl.so.2
0x7fa5b265e000: /lib64/libz.so.1
0x7fa5b2444000: /lib64/libaudit.so.0
0x7fa5b2226000: /lib64/libselinux.so.1
0x7fa5b1fa1000: /lib64/libm.so.6
0x7fa5b1d99000: /lib64/librt.so.1
0x7fa5b1a1c000: /lib64/libc.so.6
0x7fa5b1781000: /usr/lib64/libfreetype.so.6
0x7fa5b157d000: /lib64/libcap.so.2
0x7fa5b4579000: /lib64/ld-linux-x86-64.so.2
0x7fa5b134e000: /lib64/libgssapi_krb5.so.2
0x7fa5b1091000: /lib64/libkrb5.so.3
0x7fa5b0e8e000: /lib64/libcom_err.so.2
0x7fa5b0c62000: /lib64/libk5crypto.so.3
0x7fa5b0a5e000: /lib64/libattr.so.1
0x7fa5b0855000: /lib64/libkrb5support.so.0
0x7fa5b0653000: /lib64/libkeyutils.so.1
0x7fa5b0439000: /lib64/libresolv.so.2
0x7fa5b0216000: /usr/lib64/xorg/modules/extensions/libextmod.so
0x7fa5b0012000: /usr/lib64/xorg/modules/extensions/libdbe.so
0x7fa5afdab000: /usr/lib64/xorg/modules/extensions/libglx.so
0x7fa5afba9000: /usr/lib64/xorg/modules/extensions/librecord.so
0x7fa5af99f000: /usr/lib64/xorg/modules/extensions/libdri.so
0x7fa5af795000: /usr/lib64/libdrm.so.2
0x7fa5af591000: /usr/lib64/xorg/modules/extensions/libdri2.so
0x7fa5af2f2000: /usr/lib64/xorg/modules/drivers/intel_drv.so
0x7fa5af0e9000: /usr/lib64/libdrm_intel.so.1
0x7fa5aeee3000: /usr/lib64/xorg/modules/drivers/vesa_drv.so
0x7fa5aecde000: /usr/lib64/xorg/modules/drivers/fbdev_drv.so
0x7fa5aeada000: /usr/lib64/xorg/modules/linux/libfbdevhw.so
0x7fa5ae8c0000: /lib64/libgcc_s.so.1
Segmentation fault at address (nil)

Fatal server error:
Caught signal 11 (Segmentation fault). Server aborting


Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
Please also check the log file at "/var/log/Xorg.0.log" for additional information.