From: Vasileios Gkanis <gkanis@cems.umn.edu>
To: linux-acpi@vger.kernel.org
Subject: High pitched sound with 2.6.15-ck1 -- Update info
Date: Sat, 28 Jan 2006 01:05:44 +0200 [thread overview]
Message-ID: <200601280105.44804.gkanis@cems.umn.edu> (raw)
Hi,
I had some free time and I was switching from one C-state to another to check
when I hear this high pitched sound, I discover the following:
When the system is in the C4-state I hear this high pitched sound only when
the USB-mouse is plugged in! If I unplug the mouse, the sound is not audible
anymore. If I plug in the USB-stick the sound is not audible! I did some
experiments and I found that when the system is in the C3 or C4-state, I hear
the sound only when the USB-mouse is plugged in. On the other hand, in the C1
or C2-state the sound is not audible regardless of whether the USB-mouse is
plugged in or not.
I see a similar behavior in windows, but the only difference is that the sound
is not audible when the USB-stick and the USB-mouse are both plugged in!
Does anybody have any idea why this is happening?
Thank you,
Vasilis
next reply other threads:[~2006-01-27 23:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-27 23:05 Vasileios Gkanis [this message]
2006-01-28 11:10 ` High pitched sound with 2.6.15-ck1 -- Update info Janosch Machowinski
2006-01-30 15:32 ` Vasileios Gkanis
2006-01-30 21:59 ` Janosch Machowinski
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