Same problem with my R400. The itop shows that sometimes the i915 and i804 have interrupt storms, sometimes 20000 interrupts per seconds. Kworker is consuming 90% CPU loading.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/779753 Title: T400 laptop. Freezes or mouse stutters. Kworker process using too much CPU. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
