On Tue, 23 Apr 2002, Aron Vrtala, Vienna Univ. Computer Center wrote:
> > Actually, in the case of GeForce2 Go there is more to it than this.
> > The video bios does not have APM support. It's ACPI only and this
> > is not something well supported in Linux kernel.
>
> In principle you are right. In standard RedHat 7.2 Kernel there is no ACPI
> support and the DELL C810 Notebook won't suspend (with or without
> graphics).
>
> This is why I checked out for a more new kernel (2.4.16) and had ACPI
> activated in it. Now it can't be a problem of the Linux Kernel ! The
> notebook will suspend when closed or when apm -s is entered, but _only_ if
> X isn't started. When X has been activated once - the notebook won't shut
> down (stating resource unavailable). But there is more to it: After
> stopping X (NVdriver stays in memory) the notebook will continue to refuse
> suspend!
>
NVdriver does not support power management. Support was never
written because of lack of ACPI. I am doubtful that any 2.4 kernel
has usable ACPI support. It was my impression that that it would
only possibly be fixed in the 2.6 timeframe.
Mark.
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