From mboxrd@z Thu Jan 1 00:00:00 1970 From: "KOCHI, Takayoshi" Date: Tue, 15 Jan 2002 00:04:28 +0000 Subject: Re: [Linux-ia64] ACPI power button events Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org > > > Is pressing the power button on a Big Sur workstation supposed to write > > > anything to /proc/acpi/event? It doesn't seem to on my system. > > > > I tested the same and got the same result. > > I suppose BigSur doesn't support the button feature in its > > firmware. > > > > If it does, you should see "ACPI: Power Button (FF) found" in > > boot message and you will see a /proc/acpi/button directory. > > Yes, I see this message upon boot, and the /proc/acpi/button directory > is created. > > > If the button event is properly processed, you can see > > "button power 00000080 00000000" > > line when you cat /proc/acpi/event. > > Nothing seems to get written to the event file. Hmm... Can you check /proc/interrupts and see any interrupts on acpi line? Oh well, our BigSur says 39: 0 0 IO-SAPIC-edge acpi But ACPI specification says the SCI (ACPI interrupt) should be active low, level and shareable. I'll look into it... Thanks, -- KOCHI Takayoshi