[Pm-utils] second suspend/resume cycle hangs on resume

Nigel Cunningham ncunningham at crca.org.au
Sun Dec 14 22:08:47 PST 2008

Hi Brian.

You might also carefully examine your system after the first cycle. This
sort of behaviour is always the result of some driver properly saving
and restoring its state (or not saving/restoring at all), and often
results in the relevant hardware not working perfectly after the first
cycle as well as dying properly on the second attempt at

I'd therefore also suggest that you try building as much as possible as
modules, and try to rule things out by suspending a couple of times
without the appropriate module loaded. Hopefully you'll get to a point
where you can say "if I suspend with module X loaded, it hangs". Start
with testing after booting from init S, just in case it's something
that's still built in after you've done the



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