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    SubjectRe: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway
    Date
    Am Mittwoch, 4. Juli 2007 schrieb Paul Mackerras:
    > Oliver Neukum writes:
    >
    > > > Indeed, and the USB framework has code to know when the host
    > > > controller is suspended and avoid trying to send out urbs in that
    > > > case.  Or at least it did last time I looked at it in any detail; it's
    > > > been "just working" - including suspending and resuming, without the
    > > > freezer - for quite a while now.
    > >
    > > And what happens to that IO? I suspended and lost data is not an
    > > acceptable behavior.
    >
    > It's not lost, it's sitting in RAM, and will be sent out when you
    > resume.

    Unfortunately this is not the case. The URB will error out.

    Oliver

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