try it often, you will see the freeze ........ iam now on Ubuntu 4.4.0-16.32-generic 4.4.6
this is the problem on linux 4.4 linux-4.4.0/drivers/gpu/drm/drm_irq.c:1268 drm_wait_one_vblank+0x1b5/0x1c0 [drm] see my CurrentDmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1542939 Title: system freeze after vt switching To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1542939/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
