Oh, I forgot to mention : dmesg contains the following message (apparently provoked by switching from X mode to console, and vice- versa) :
[drm:drm_mode_getfb] *ERROR* invalid framebuffer id If this is a kernel issue, here is mine : Linux [hostname] 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/794474 Title: latitude e6420 screen flickering (sandy bridge intel video card) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/794474/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
