Re: [Bug #12422] 2.6.28-git can't resume from str

[Ingo Molnar]

* Jeff Chua <jeff.chua.linux@xxxxxxxxx> wrote:

> On Sun, Jan 11, 2009 at 10:18 PM, Christian Borntraeger
> <borntraeger@xxxxxxxxxx> wrote:
> > Am Sonntag 11 Januar 2009 schrieb Daniel Drake:
> >> Rafael J. Wysocki wrote:
> >> > This message has been generated automatically as a part of a report
> >> > of recent regressions.
> >> >
> >> > The following bug entry is on the current list of known regressions
> >> > from 2.6.28.  Please verify if it still should be listed and let me know
> >> > (either way).
> >> >
> >> >
> >> > Bug-Entry   : http://bugzilla.kernel.org/show_bug.cgi?id=12422
> >> > Subject             : 2.6.28-git can't resume from str
> >> > Submitter   : Jeff Chua <jeff.chua.linux@xxxxxxxxx>
> >> > Date                : 2009-01-10 1:39 (2 days old)
> >> > References  : http://marc.info/?l=linux-kernel&m=123155157909282&w=4
> >>
> >> The bisection looks invalid. It is unlikely to be this commit at fault.
> >> Jeff, do you even have that camera?
> >>
> >> It is also easy to revert that commit by hand. Just delete the
> >> unusual_devs entry for it.
> >
> > I found a nearby commit during bisect, which looks much saner:
> >
> > http://marc.info/?l=linux-kernel&m=123167815028388&w=2
> 
> This was committed earlier than
> a0e280e0f33f6c859a235fb69a875ed8f3420388, and
> a0e280e0f33f6c859a235fb69a875ed8f3420388 was the last working kernel
> that is able to suspend/resume. Go one before, and suspend/resume
> breaks.

so you mean a0e280e0f33f6c859a235fb69a875ed8f3420388 seems good, while the 
next step in Linus's tree, 52fefcec97c25b15887e6a9a885ca54e7f7c0928 is 
already broken?

Does 52fefcec97c25b15887e6a9a885ca54e7f7c0928 start working if you do:

  git checkout 52fefcec97c25b15887e6a9a885ca54e7f7c0928
  git revert a0e280e0f33f6c859a235fb69a875ed8f3420388

?

That would implicate a0e280e0f33f6c859a235fb69a875ed8f3420388 + some 
layout/timing problem - which does not trigger for some reason if pure 
a0e280e0f33f6c859a235fb69a875ed8f3420388 is tried.

	Ingo
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