Hi all, I have experiencing the same problem with my E4310. I have been able to catch some info in /var/log/Xorg.1.log saying that X has experienced a segfault. This happened when I runned the gnome-display-properties after having connected an external screen on the vga connector.
Backtrace: 0: /usr/bin/X (xorg_backtrace+0x28) [0x4a3248] 1: /usr/bin/X (0x400000+0x655ad) [0x4655ad] 2: /lib/libpthread.so.0 (0x7f8549d06000+0xf8f0) [0x7f8549d158f0] 3: /usr/bin/X (DamageUnregister+0x53) [0x4d72c3] 4: /usr/lib/xorg/modules/libshadow.so (shadowRemove+0x33) [0x7f85466353c3] 5: /usr/lib/xorg/modules/libshadow.so (0x7f8546634000+0x1884) [0x7f8546635884] 6: /usr/bin/X (0x400000+0xa77d9) [0x4a77d9] 7: /usr/bin/X (0x400000+0x1684fc) [0x5684fc] 8: /usr/bin/X (0x400000+0x2624c) [0x42624c] 9: /lib/libc.so.6 (__libc_start_main+0xfd) [0x7f85489fdc4d] 10: /usr/bin/X (0x400000+0x25d59) [0x425d59] Segmentation fault at address (nil) Caught signal 11 (Segmentation fault). Server aborting Hopping this may help to solve the problem. -- [arrandale] X freezes after plugging in external monitor and selecting System>Preferences>Monitors https://bugs.launchpad.net/bugs/599626 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs