[ltp] undervolted T43 does not resume from suspend-to-ram when on battery

[Marcus Hagn]

Hi,
I assume you set the voltages to low. Did you try to increase the
voltages a little bit?

Regards

On 1/30/06, Laurent Gilson <pumpkin@gmx.de> wrote:
> Hello
>
> > two weeks age I undervolted my T43 with the unmodified example kernel
> > patch (Alternative 1) provieded by
>
> running that patch for 2 months now (R51).
>
> > Yesterday I tried to wake up my Thinkpad from suspend-to-disk without
> > AC connected .
> > The system came up but screen remained still blank.  Only the ACPI even=
t
> > for the power button was generated, so I could reboot.
>
> Something like that happend to me too. If you undervolt too much the
> system frezes/goes south at start/resume on batt. I assume the power
> consumption and voltage spikes are higher at that time. On my system is
> always happens just after grub.
>
> > After reboot (still running on battery) system came up but showed
> > strange error messages about wrong cpu frequency settings.
> > I inspected /proc/cpuinfo and found a crooked frequency value.  It was
> > about 377MHz (normally it is the default max value of 1862MHz).
> > Frequency scaling was not activated at this time.
>
> (If you really want a low-power/high runtime system enable it)
>
> cu
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