https://inliniac.net/blog/tag/hardy/ Recent content in Hardy on Inliniac Hugo en Thu, 24 Jul 2008 22:46:30 +0000 https://inliniac.net/blog/2008/07/25/fixing-noise-on-ubuntu-hardy-804-aka-setting-max_cstate/ Thu, 24 Jul 2008 22:46:30 +0000 https://inliniac.net/blog/2008/07/25/fixing-noise-on-ubuntu-hardy-804-aka-setting-max_cstate/ <p>Not security related at all, but it took me so much time to figure this out, I want to share this with the world!</p> <p>I own a Lenovo Thinkpad T60 that I like very much. There is one annoyance, and that is that when on battery, the laptop produces a high pitched noise when idle. It turns out that this has something to do with the ACPI state. States of C3 and higher made my laptop produce the noise. In Ubuntu Gutsy 7.10 there was a simple solution. I could force the laptop to never use anything higher that C2. That was done like this:</p>