I can confirm that in my case the problem was caused by this process: hald-addon-storage: polling /dev/scd0 (every 2 sec)
Once I kill it i have no problems. -- Hitachi hard drive HTS541616J9SA00 requires NCQ blacklisting https://bugs.launchpad.net/bugs/120839 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