Re: Suspend, followed by immediate resume

Rafael J. Wysocki
2008-05-03T22:48:15Z

On Saturday, 3 of May 2008, Jay Cliburn wrote:
> On Sat, 3 May 2008 15:09:01 +0200
> "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
>
> > Set your BIOS setting to "Auto" and boot the kernel with
> > init=/bin/bash. You should get a root shell as a result of this.
> > From this shell run:
> >
> > # mount /proc
> > # mount /sys
> > # echo 8 > /proc/sys/kernel/printk
> > # eche mem > /sys/power/state
> >
> > and see if it suspends. If it does, try to wake it up and see what
> > happens.
>
> The system suspends and does not spontaneously resume. That's an
> improvement.
>
> Unfortunately I can't awaken it. It's a desktop system and pressing
> keys, shaking the mouse, or momentarily pressing the power switch has no
> effect, despite setting these things in BIOS. (There are some APM
> settings in there that selectively enable waking on various events.)
>
> Ctrl-alt-del actually did cause a reboot, though.
>
> As an aside, I finally got wake-on-lan working, so the reason I came to
> linux-pm in the first place has been satisfied. I don't *need*
> suspend/resume to work on this system, however, if you think
> the suspend issue I'm having is worth pursuing, I'm perfectly willing
> to press on. Your call.

Well, I'm afraid we'd end up debugging your ACPI tables, so it's probably
better to give up if the feature is not really needed.

Thanks,
Rafael