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    SubjectRe: [linux-usb-devel] Re: OHCI problems with suspend/resume

    > >>- APM uses the pm_*() calls for a vetoable check,
    > >> never issues SAVE_STATE, then goes POWER_DOWN.
    > >
    > >
    > >I remember the reason... SAVE_STATE expects user processes to be
    > >stopped, which is not the case in APM. Perhaps that is easy to fix
    > >these days...
    > That SAVE_STATE restriction doesn't seem to be documented...

    It is not; but I could not convince myself that it is okay to call
    SAVE_STATE with userland alive, and that's why I did not add
    SAVE_STATE to apm.
    When do you have a heart between your knees?
    [Johanka's followup: and *two* hearts?]
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