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    SubjectRe: 2.6.25-rc6 regression - hang on resume
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    On Fri, 2008-04-11 at 23:04 +0200, Pavel Machek wrote:
    > On Fri 2008-04-04 08:31:29, Soeren Sonnenburg wrote:
    > > On Fri, 2008-04-04 at 01:22 +0200, Rafael J. Wysocki wrote:
    > > > The following report is on the current list of known regressions
    > > > from 2.6.24. Please verify if the issue is still present in the
    > > > mainline.
    > > >
    > > >
    > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10319
    > > > Subject : 2.6.25-rc6 regression - hang on resume
    > > > Submitter : Soeren Sonnenburg <kernel@nn7.de>
    > > > Date : 2008-03-25 04:44 (10 days old)
    > >
    > > Yes. The machine resumes and display stays black using s2ram -f -p
    > > (blindly typing reboot etc on keyboard does what is expected). However
    > > display comes back on 2.6.24.
    >
    > Could you get us any debugging output from s2ram? Or maybe even strace
    > it in both working and broken case, and comparing them? (You may want
    > to disable randomization so that results are comparable).

    I did on 2.6.24

    strace -ff s2ram >s2ram24.trace 2>&1

    and .25

    strace -ff s2ram >s2ram25.trace 2>&1

    with the .24 bringing the display back and .25 not. Files are here

    http://nn7.de/debugging/s2ram24.trace.bz2
    http://nn7.de/debugging/s2ram25.trace.bz2

    I have no idea how to 'disable randomization' and also not which
    debugging options I should have set ... tell me what things/options you
    need to be en/disabled and I redo the experiment.

    Soeren
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