I can confirm I had the same problem with 2.6.31-18 (ICH7 chipset). After following these instructions to upgrade the kernel to 2.6.32, everything works fine: http://www.ramoonus.nl/2009/12/03/linux-kernel-2-6-32-installation-guide-for-ubuntu-linux/
The mouse doesn't freeze anymore and apps are still responsive even when under heavy IO load. -- Very poor desktop response (high latency) during I/O-load with SATA+NCQ https://bugs.launchpad.net/bugs/343371 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs