The drm.intel team seems to have come to the conclusion that reverting this change does not fix the issue, at least not for everybody, although it might make the hangs much more rare. There exists a drm-intel bug report for this issue with all the details: https://bugs.freedesktop.org/show_bug.cgi?id=88012 After it was concluded by the drm-intel developers that the fault was most likely not with the graphics drivers, as it first seemed to be, Daniel Vetter of drm-intel filed a kernel bug, assigned to Len Brown (who wrote the intel_idle driver): https://bugzilla.kernel.org/show_bug.cgi?id=109051
I will nevertheless try the kernel with that change reverted as soon as I get a chance. ** Bug watch added: freedesktop.org Bugzilla #88012 https://bugs.freedesktop.org/show_bug.cgi?id=88012 ** Bug watch added: Linux Kernel Bug Tracker #109051 http://bugzilla.kernel.org/show_bug.cgi?id=109051 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1531865 Title: 4.2 (linux-generic-lts-wily) kernel hangs on Bay Trail based Asus X553MA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531865/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs