Messages in this thread | | | Date | Tue, 29 Mar 2016 16:15:39 +0200 | From | Pavel Machek <> | Subject | Re: Changes in sleep mode, on x86 PC |
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Hi!
On Tue 2016-03-29 16:00:09, Oliver Neukum wrote: > On Tue, 2016-03-29 at 15:06 +0200, 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).
Ok, that "sleeping with numlock LED on" is not reproducible.
> > > 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. > > Not necessarily. ACPI may also be the root cause.
Ok, that breakage may be year-or-so old.
> > 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. > > What does /proc/acpi/wakeup say?
Device S-state Status Sysfs node P0P1 S3 *disabled pci:0000:00:01.0 P0P2 S4 *disabled pci:0000:00:1e.0 PS2K S3 *disabled PS2M S3 *disabled UAR1 S3 *disabled pnp:00:03 USB0 S3 *enabled pci:0000:00:1d.0 USB1 S3 *enabled pci:0000:00:1d.1 USB2 S3 *enabled pci:0000:00:1d.2 USB3 S3 *enabled pci:0000:00:1d.3 EUSB S4 *enabled pci:0000:00:1d.7 P0P9 S4 *disabled pci:0000:00:1c.0 P0PA S4 *disabled pci:0000:00:1c.1 P0PB S4 *disabled P0PC S4 *disabled P0PD S4 *disabled P0PE S4 *disabled PWRB S3 *enabled platform:PNP0C0C:00
Directly-connected USB keyboard. Numlock goes on when I hit a key, but it stays sleeping.
Thanks, Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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