Re: Screwy clock after apm suspend

[Mikael Pettersson]

Pavel Machek writes:
 > Hia
 > 
 > >  > Looking harder, in arch/i386/kernel/apm.c the system time is also
 > >  > saved and restored in a very similar way to timer_suspend/resume.
 > >  > Would this account for the time drift in APM mode? (sleep time being
 > >  > accounted for twice?)
 > > 
 > > No, apm.c's update to xtime is absolute, just like time.c's.
 > > Doing both is pointless but not harmful. (I've already tried
 > > with apm.c's xtime update commented out, but the time-warp
 > > bug remained.)
 > > 
 > > My 0.02 SEK says it's the jiffies update that's broken.
 > 
 > Okay, can you
 > 
 > * kill jiffie update (x86-64, too)
 > * remove apm.c variant
 > * test it (or make someone test it) with apm?
 > 
 > I now see the drift with acpi, too :-(. I can do the acpi testing...

I'm away from my APM laptop until Friday, but I'll do this test then.

/Mikael
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