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    SubjectRe: S2RAM broken on HP 8530p
    Date
    On Thursday 01 April 2010, Parag Warudkar wrote:
    >
    > On Thu, 1 Apr 2010, Rafael J. Wysocki wrote:
    >
    > > On Thursday 01 April 2010, Parag Warudkar wrote:
    > > >
    > > > Running Ubuntu Lucid 64-bit I noticed suspending fails with current git.
    > > > Unsure since when it started - perhaps a while ago since the stock distro
    > > > kernel 2.6.32-18 also fails to suspend - albeit little differently -
    > > > git will fail before shutting off the display, distro one succeeds in
    > > > shutting off the display and then hangs.
    > > >
    > > > Any ideas how to go about debugging this?
    > >
    > > Please first try to suspend after echoing 0 to /sys/power/pm_async.
    >
    > No change - hangs the same way as before.
    >
    > I recall it used to work with prior kernels and so I tried 2.6.31 from
    > kernel.ubuntu.com/~kernel-ppa/
    >
    > mainline/v2.6.31/ but that fails similarly.
    >
    > May be I could try 2.6.30 but from a bisect stand point thats not all that
    > attractive even if we find it works..

    Yeah, kind of.

    Please try:

    # echo devices > /sys/power/pm_test
    # echo mem > /sys/power/state

    and see if that breaks too (it should get back to the command line in about
    5-10 seconds).

    Rafael


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