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Laptops with cheap capacitators makes a high pitched noise. The problem is explained and "resolved" in http://bugzilla.kernel.org/show_bug.cgi?id=7973#c3 So fixing it for real will require that: if laptop timer interrupt == 100Hz fi
eventually we'll be moving to a tickless kernel, which should solve the problem by not waking up at a fixed frequency at all.
I wonder just what that tickless kernel would sound like? Might be even more annoying than a steady noise in some cases...
it depends on the frequency at which userspace will cause wakeups. There's ongoing effort to reduce unnecessary wakeups. (See https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=wakeup for some horrors) If userspace isn't waking up frequently, then it should sound no worse than CONFIG_HZ=100
Moving to 'devel' as discussed on https://www.redhat.com/archives/fedora-devel-list/2007-March/msg00095.html.
Based on the date this bug was created, it appears to have been reported against rawhide during the development of a Fedora release that is no longer maintained. In order to refocus our efforts as a project we are flagging all of the open bugs for releases which are no longer maintained. If this bug remains in NEEDINFO thirty (30) days from now, we will automatically close it. If you can reproduce this bug in a maintained Fedora version (7, 8, or rawhide), please change this bug to the respective version and change the status to ASSIGNED. (If you're unable to change the bug's version or status, add a comment to the bug and someone will change it for you.) Thanks for your help, and we apologize again that we haven't handled these issues to this point. The process we're following is outlined here: http://fedoraproject.org/wiki/BugZappers/F9CleanUp We will be following the process here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping to ensure this doesn't happen again.
This bug has been in NEEDINFO for more than 30 days since feedback was first requested. As a result we are closing it. If you can reproduce this bug in the future against a maintained Fedora version please feel free to reopen it against that version. The process we're following is outlined here: http://fedoraproject.org/wiki/BugZappers/F9CleanUp