Error: kernel cannot suspend to ram.

[Paul Smith]

On 10/3/07, Doncho N. Gunchev <gunchev at gmail.com> wrote:
> > > > > > > > > When running on the console the command 'pm-suspend', I get
> > > > the following:
> > > > > > > > >
> > > > > > > > > $ pm-suspend
> > > > > > > > > Error: kernel cannot suspend to ram.
> > > > > > > > > $
> > > > >
> > > > > I just looked at pm-suspend's source. This error message means that
> > > > > in /sys/power/state there's no mem present (try
> > > > 'cat /sys/power/state'
> > > > > to see what is supported).
> > > >
> > > >
> > > > $ cat /sys/power/state
> > > > standby disk
> > > > $
> > > On my machine the above command returns:
> > > mem disk
> > >
> > > So mem is indeed not present on your machine.
> >
> > And is it a configuration problem or hardware inability?
>
> The last thing you can try is try to reconfigure your BIOS. There
> are some settings (I have no desktop currently) that enable/disable
> S1/S2/S3 states and change ACPI/???'s version. Disable legacy USB
> support (be sure to have PS2 keyboard just in case) and... try...
> A friend of mine got his PC suspending to RAM after changing
> something in the BIOS, but I never asked what exactly. Luck.

Thanks, Doncho. After having changed from S1 to S3 in the BIOS, my
computer can suspend to RAM. However, I cannot resume it: I use the
power button and I see activity in the computer, but the screen
remains black forever. Any ideas?

Paul