[Pm-utils] pm-suspend working only after resuming from pm-hiberante

[Leonardo Canducci]

Il giorno mar, 07/10/2008 alle 14.25 -0700, Jesse Barnes ha scritto:
> On Tuesday, October 7, 2008 2:06 pm Leonardo Canducci wrote:

> > > If you're using 2.6.25 or later it's also worth
> > > checking whether you can do a
> > > suspend/resume from the console directly:
> > >   <boot to text mode>
> > >   # modprobe i915
> > >   # echo mem > /sys/power/state
> > >   <resume>
> > >
> > > If that comes back then at least the basic kernel
> > > functionality is working.
> >
> > It did come back with module i915 loaded in text mode. What can I try now?
> 
> Excellent, that's a start.  Can you use the 'intel_reg_dumper' tool (part of 
> the xf86-video-intel driver tree) to capture register dumps from before and 
> after the suspend/resume cycle?
> 
If intel_reg_dumper is a command I suspect it's not included in debian
xserver-xorg-video-intel package. Could you point me to some doc
explaining how to get it and use it?

> Now you should try the same thing, but with X running:
>   <boot & login to your desktop env.>
>   # chvt 1 (or ctl-alt-f1)
>   <login as root>
>   # echo mem > /sys/power/state
>   <resume>
>   # chvt 7 (or whatever your X VT # is)
> 
Ok. I tried invoking "echo mem > /sys/power/state" after switching to
console with X running and got my laptop suspended and the freezed on
resume. 
I don't know if it's relevant but when suspending from console display
gets a little messy: white in the center with coloured borders than
fades to black turning off. This happens in both cases (X running or
not).

Regards,
leonardo