Final Workaround: I disabled in the BIOS "fan controlled from operating system". My BIOS allows to set a fixed speed (from 50% up to 100%) or speed controlled by operating system. Now I have put the speed fixed to 50% and this is fixed fixed fixed.
Please let me know if you need further information, such as, BIOS, Mainboard components and so on. -- kacpid uses 100% of CPU. Kernel is 2.6.31-17 https://bugs.launchpad.net/bugs/495694 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