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    SubjectRe: ACPI power off regression in 2.6.23-rc8 (NOT in rc7)


    On Tue, 25 Sep 2007 08:51:09 +0200 Damien Wyart <damien.wyart@free.fr> wrote:
    >
    > Hello,
    >
    > After testing rc8, I noticed that I couldn't power off the computer
    > directly, it only got halted and I had to press the power button
    > manually. Just before displaying "System halted", the following message
    > is displayed:
    >
    > ACPI : PCI interrupt for device 0000:02:08.0 disabled
    >
    > I had to first revert 5a50fe709d527f31169263e36601dd83446d5744 then
    > f216cc3748a3a22c2b99390fddcdafa0583791a2 (handling of Sx states) to
    > recover previous behaviour.

    Hmm. Those things *do* seem to be suspicious.

    For example, those commits seem to move code that used to be inside
    CONFIG_PM (which pretty much *everybody* has) to be inside
    CONFIG_ACPI_SLEEP (which is a totally different thing, and depends on
    whether the user asked for suspend support or not!

    Damien - does it work if you ask for SUSPEND or HIBERNATION support?

    Len - why are you guys moving stuff into CONFIG_PM_SLEEP? I know you seem
    to think that absolutely *everybody* should always support suspend and
    hibernation, but the fact is, not everybody does. And it's a totally
    separate thing for normal ACPI CPU runstate support that people have used
    to manage a *running* CPU (and shutting it down).

    Linus
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