To clarify, you experience the issue with kernels as far back as 3.4.50? If you can install a 3.2 that would be good to check.
Indeed that it does not present itself in any logs or as an obvious effect, is very worrying. If nothing in the kernel/userspace claims responsibility, then we have to look deeper still - hardware/firmware system management. Or in other words, I am out of ideas. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1189645 Title: General lag under desktop environments To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1189645/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
