I'm seeing this problem too, and also have integrated intel graphics. I'm on an Acer Aspire 1410. My backtraces look very similar to yours.
Here's all the data I gathered --- if more would be useful, let me know:
~$ dmesg | grep Xorg | tail -n 1 [ 750.880241] Xorg[1034]: segfault at 9 ip b7633b28 sp bfabd2a0 error 4 in Xorg[b7513000+1f3000]
From /var/log/Xorg.0.log.old:
[ 442.748] (II) intel(0): EDID vendor "AUO", prod id 8284 [ 442.748] (II) intel(0): Printing DDC gathered Modelines: [ 442.748] (II) intel(0): Modeline "1366x768"x0.0 65.50 1366 1390 1406 1406 768 770 774 776 -hsync -vsync (46.6 kHz) [ 750.764] Backtrace: [ 750.793] 0: /usr/bin/X (xorg_backtrace+0x37) [0xb769b607] [ 750.793] 1: /usr/bin/X (0xb7513000+0x18c38a) [0xb769f38a] [ 750.793] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb74f040c] [ 750.793] 3: /usr/bin/X (XIChangeDeviceProperty+0x1b8) [0xb7633b28] [ 750.793] 4: /usr/bin/X (0xb7513000+0x121188) [0xb7634188] [ 750.794] 5: /usr/bin/X (0xb7513000+0x116f77) [0xb7629f77] [ 750.794] 6: /usr/bin/X (0xb7513000+0x3791d) [0xb754a91d] [ 750.794] 7: /usr/bin/X (0xb7513000+0x2535a) [0xb753835a] [ 750.794] 8: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0xb71794d3] [ 750.794] 9: /usr/bin/X (0xb7513000+0x25699) [0xb7538699] [ 750.794] Segmentation fault at address 0x9 [ 750.794] Caught signal 11 (Segmentation fault). Server aborting [ 750.794]
~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
~$ cat /var/log/Xorg.0.log | grep Chipset [ 756.196] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810, [ 756.202] (II) intel(0): Integrated Graphics Chipset: Intel(R) GM45 [ 756.202] (--) intel(0): Chipset: "GM45"
I'm seeing this problem too, and also have integrated intel graphics. I'm on an Acer Aspire 1410. My backtraces look very similar to yours.
Here's all the data I gathered --- if more would be useful, let me know:
~$ dmesg | grep Xorg | tail -n 1 1f3000]
[ 750.880241] Xorg[1034]: segfault at 9 ip b7633b28 sp bfabd2a0 error 4 in Xorg[b7513000+
From /var/log/ Xorg.0. log.old:
[ 442.748] (II) intel(0): EDID vendor "AUO", prod id 8284 +0x37) [0xb769b607] 0x18c38a) [0xb769f38a] rt_sigreturn+ 0x0) [0xb74f040c] Property+ 0x1b8) [0xb7633b28] 0x121188) [0xb7634188] 0x116f77) [0xb7629f77] 0x3791d) [0xb754a91d] 0x2535a) [0xb753835a] linux-gnu/ libc.so. 6 (__libc_ start_main+ 0xf3) [0xb71794d3] 0x25699) [0xb7538699]
[ 442.748] (II) intel(0): Printing DDC gathered Modelines:
[ 442.748] (II) intel(0): Modeline "1366x768"x0.0 65.50 1366 1390 1406 1406 768 770 774 776 -hsync -vsync (46.6 kHz)
[ 750.764]
Backtrace:
[ 750.793] 0: /usr/bin/X (xorg_backtrace
[ 750.793] 1: /usr/bin/X (0xb7513000+
[ 750.793] 2: (vdso) (__kernel_
[ 750.793] 3: /usr/bin/X (XIChangeDevice
[ 750.793] 4: /usr/bin/X (0xb7513000+
[ 750.794] 5: /usr/bin/X (0xb7513000+
[ 750.794] 6: /usr/bin/X (0xb7513000+
[ 750.794] 7: /usr/bin/X (0xb7513000+
[ 750.794] 8: /lib/i386-
[ 750.794] 9: /usr/bin/X (0xb7513000+
[ 750.794] Segmentation fault at address 0x9
[ 750.794]
Caught signal 11 (Segmentation fault). Server aborting
[ 750.794]
~$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
~$ cat /var/log/Xorg.0.log | grep Chipset
[ 756.196] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
[ 756.202] (II) intel(0): Integrated Graphics Chipset: Intel(R) GM45
[ 756.202] (--) intel(0): Chipset: "GM45"