From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nate Lawson Subject: Re: double power button events on presario 900 - apparently a timing issue? Date: Wed, 24 Sep 2003 11:11:37 -0700 (PDT) Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20030924111121.F53806@root.org> References: <200309240723.28526.fedor@karpelevitch.net> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <200309240723.28526.fedor-ugkMPi23kyXAHCkTjeiZhQ@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Fedor Karpelevitch Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Wed, 24 Sep 2003, Fedor Karpelevitch wrote: > as I previously mentioned I am seeing an annoying problem on my > presario 900 - when power button (works as FF here) is pressed it > generates two events every time. I was experimentin with debugging > output and noticed an interesting thing - if I do > echo 0xffffffff > /proc/acpi/debug_level > to get verbose debug output the problem goes away - I only get one > event every time button is pressed. Looks like the problem is caused > by some kind timing issue which goes away when debugging slows it > down. Does this sound like a reasonable guess? Would anyone suggest > how this can be debugged further? It means you need to debounce the event. -Nate ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf