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Date: Mon, 25 Jan 2010 22:38:16 +0000 From: Sitsofe Wheeler <sitsofe@...oo.com> To: Justin Piszcz <jpiszcz@...idpixels.com> Cc: Ian Campbell <ijc@...lion.org.uk>, Valdis.Kletnieks@...edu, linux-kernel@...r.kernel.org Subject: Re: High pitch noise when ACPI processor module is loaded. On Mon, Jan 25, 2010 at 03:46:06PM -0500, Justin Piszcz wrote: > > It would be nice if it were possible to find out what is causing it exactly > in the acpi cpufreq module, as this problem does not occur in Windows 7 and > I can achieve 3.6GHz in Windows 7 w/out any high pitch noise. That may well be related to the interrupt frequency the kernel is running with. I remember reading that a lower HZ were less likely to cause chip whine on some machines... http://www.thinkwiki.org/wiki/Problem_with_high_pitch_noises#Change_the_timer_interrupt_frequency -- Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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