I have same issue with J1900 and Intel graphics and nothing in logs. I had previously disabled RC6 following [url=https://bugs.freedesktop.org/show_bug.cgi?id=88012]this bug[/url]. I don't know if it's related to this bug
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1454868 Title: Ubuntu 15.04 Freezes Totally Status in xserver-xorg-video-intel package in Ubuntu: Confirmed Bug description: If I'm browsing and doing some heavy stuff like streaming or runing multiple terminal commands (ssh, wget etc) or watching Video with VLC. Ubuntu just freezes entirely - no mouse or keyboard works unless forcing shutdown with power button, I can't guess when this actually happens, it happens when I don't expect it - even after a fresh boot. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1454868/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
