From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Changes in sleep mode, on x86 PC Date: Tue, 29 Mar 2016 16:24:05 +0200 Message-ID: <20160329142405.GA24781@amd> References: <20160328212010.GA22713@amd> <4224351.Xlkh4fNNHG@vostro.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4224351.Xlkh4fNNHG@vostro.rjw.lan> Sender: linux-pm-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: kernel list , lenb@kernel.org, linux-acpi@vger.kernel.org, Linux PM list , Jiri Kosina List-Id: linux-acpi@vger.kernel.org On Tue 2016-03-29 15:06:36, Rafael J. Wysocki wrote: > On Monday, March 28, 2016 11:20:12 PM Pavel Machek wrote: > > Hi! > > > > Few releases ago, I could wake up PC from S3 sleep by hitting any > > key. That ceased to work some time before, keyboard would just light a > > NUM lock LED when I hit a key (4.5). Now PC seems to be sleeping (in > > S3) with NUM lock LED on (4.6-rc0). > > > > Any idea what is going on there? Does it happen for you, too? What is > > the expected behaviour? > > > > Debian 8.3, with MATE desktop, I just hit the "moon" key to make it > > sleep. Keyboard is on USB. > > That's rather important. > > Clearly, something in the USB HID land has changed lately. > > The expected behavior depends on whether or not the keyboard itself and the > USB controller are both enabled to wake up. If they are, I'd expect any > key press to generate a wakeup event. Is there anything in /sys I should check? pavel@amd:/sys/class/input/input43$ ls capabilities id input43::scrolllock phys subsystem device input43::capslock modalias power uevent event8 input43::numlock name properties uniq pavel@amd:/sys/class/input/input43$ cat power/ async runtime_active_kids runtime_status autosuspend_delay_ms runtime_active_time runtime_suspended_time control runtime_enabled runtime_usage pavel@amd:/sys/class/input/input43$ cat power/ Ok, this is slightly weird, but it seems to be just multimedia keys having separate device: pavel@amd:/sys/class/input$ grep . input4*/name input43/name:Chicony USB Keyboard input44/name:Chicony USB Keyboard pavel@amd:/sys/class/input$ ls input43/ capabilities id input43::scrolllock phys subsystem device input43::capslock modalias power uevent event8 input43::numlock name properties uniq pavel@amd:/sys/class/input$ ls input44 capabilities event9 modalias phys properties uevent device id name power subsystem uniq Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html