Created attachment 104224 [PATCH] drm/i915: read HEAD register back in init_ring_common() to enforce ordering
Ok, this is the minimal change that reliably makes my system behave properly again finally (woohoo!). Chris, Daniel, what do you think? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1339939 Title: [Lenovo ThinkPad T400] intel graphics fail after suspend with 3.16 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1339939/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
