I have experienced three freezes *today*, on 3.5.0-5.5 and 3.2.0-28.44. Then I remembered something: when Intel SNA support first started appearing in Intel Graphics drivers for Linux back in 11.10 days in the Xorg-Edgers/Sarvatt PPA, there were various reports of SNA not working on some hardware configs. Current Intel drivers include SNA support by default. So about an hour ago I created an /etc/X11/xorg.conf file with the following contents:
Section "Device" Identifier "Intel Graphics" Driver "intel" #Option "AccelMethod" "sna" Option "AccelMethod" "uxa" #Option "AccelMethod" "xaa" EndSection This reverts the driver to the older UXA acceleration method, which I verified in Xorg.0.log: [ 4.784] (**) intel(0): Option "AccelMethod" "uxa" So far, no freeze after doing this. While I am loathe to toss up yet another experiment, it appears that this one is at least worth reporting, should others wish to try it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999910 Title: [IVB]12.04 64 bit System freezes (mouse, keyboard) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/999910/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs