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SubjectRe: [linux-pm] better oopsing when frozen
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On Friday, July 29, 2011, Oliver Neukum wrote:
> Am Freitag, 29. Juli 2011, 23:09:44 schrieb Rafael J. Wysocki:
> > On Friday, July 29, 2011, Oliver Neukum wrote:
> > > Am Freitag, 29. Juli 2011, 22:27:54 schrieb Rafael J. Wysocki:
> > > > However, there's another problem I didn't think of before. Namely,
> > > > we cannot thaw tasks before resuming devices in case we've already
> > > > suspended them, because that will defeat the very purpose of the
> > > > freezing in the first place.
> > >
> > > That purpose is already defeated. The machine cannot be deader than dead.
> >
> > OK, so what exactly is the purpose of the thawing, then?
>
> We may be lucky enough to get the oops written out to disk. The oops may happen
> in a driver rarely used and be late in the sequence.

OK, so is there any guarantee that we won't corrupt things this way?

Rafael


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