Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: suspend vs usb and PS/2 ports | Date | Wed, 30 Sep 2009 23:54:55 +0200 |
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On Wednesday 30 September 2009, Michael Tokarev wrote: > Hello. > > I've several PCs here which are able to wakeup - > among others - from PS/2 and/or USB keyboard. > Here for testing I'm using PS/2 keyboard and > Asus M3A78-EM motherboard. > > When I do poweroff from linux, the keyboard > stays powered up as it should (according to > the BIOS settings). But when I do suspend, > keyboard is NOT powered anymore, and hence > the system can't be woken up from it but only > by using the power button. > > This happens consistently for many kernel > versions. To be fair, I don't even know if > there was any kernel which does not show this > behaviour: old versions was unable to do > suspend/resume cycle on this platform at all. > > Any hints for this please?
With USB, I think keyboard wake-up is off by default as it causes some systems to wake up immediately after suspending. Alan and Oliver can provide more info about that.
I don't know about PS/2.
Can you post the contents of /proc/acpi/wakeup from one of these systems, please?
Best, Rafael
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