Bug#670634: linux-image-2.6.32-5-686: SV266A with VIA KT266A: suspend to RAM not available
On Fri, Apr 27, 2012 at 03:31:30PM +0200, Paul Menzel wrote:
> Package: linux-2.6
> Version: 2.6.32-41squeeze2
> Severity: normal
>
> Dear Debian folks,
>
>
> the option suspend to RAM is not available on the motherboard SV266A
> with a VIA KT266A(?) chipset [1].
What makes you think this is a kernel bug? Does this work in other
operating systems or kernel versions on this same hardware?
[...]
> I looked around in the BIOS and the option *ACPI functions* is set to
> *Enabled*.
ACPI is a broad interface with hundreds of features which the system
firmware (BIOS) can *optionally* support. You should always enable
ACPI but it doesn't mean suspend to RAM will be possible.
> There is also an option *Suspend Mode* which I can set to
> *Disable* or to a number of minutes. But I guess I do not want the BIOS
> to suspend my system but using the operating system for that task.
>
> Is Linux looking at the ACPI tables and they are wrong in this case? Can
> I force suspend to RAM somehow to test it?
No, there is no way to suspend to RAM on x86 without using ACPI
or (on old systems) APM. If the system firmware doesn't tell the
kernel suspend to RAM is possible, then it isn't.
Ben.
--
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus
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