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Re: [linux-pm] ACPI problems
Tue Jan 27 15:01:18 2009
On Wed 2009-01-21 15:22:20, [EMAIL PROTECTED] wrote:
> This is my first post to the list. Hope I will find a
Please avoid using html on the lists.
> I am trying to develop a new functionality using a Sun
> alonso Quad Core blade (x86_64) architecture.
> The linux distribution which I am using contains a very
> old acpi driver (02/09/2005 probably acpi version 1 compliant)
> Further, the BIOS I am using is an AMI BIOS. I am fairly
> certain that it is acpi version 3 compliant.
Famous last words.
> Now, I am facing two problems here.
> 1) I am trying to evaluate some namespace control methods
> which are setup in sytem DSDT.
> Functions are :
> \\_SB.PERB (should contain memory location
> address) and
> \\_SB.PERL (should contain length)
> This some information passed to us from BIOS which is
> required for my development.
> I am using acpi_evaluate_object to evaluate these
> functions. I dont see any error in executing the evaluate
> function call. But they evaluate to zero.
Hmm, this is hard to debug without seeing the source.
> 2) The second task I have is to put the system into S3
> (suspend to ram) state.
> While doing that I am experiencing a problem. Every
> time I write
> echo mem > /sys/power/state
> System hangs at METHOD_NAME__PTS method. There is a
> related bug in
> new acpi driver related to this function. But since I
> am using a very old driver this should not have
Which kernel version?
> Just for added information : I dont really care about
> resume from the S3 state. I dont have video card.
You want to suspend but don't care about resume...?!
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