Interesting: I haven't got hyperthreading, only a normal dual-core. But I though I should try the workaround from the forum nevertheless. And see, it works!
Running echo 0 > /sys/devices/system/cpu/cpu1/online echo 1 > /sys/devices/system/cpu/cpu1/online seems to solve the problem permanently after each suspend/resume. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/676413 Title: Video playback performance drops substantially after suspend/wake cycle (Lenovo X201 i5 w/ Intel GMA HD) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/676413/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs