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SubjectRe: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3
On Mon, 15 Aug 2005 11:43, Zwane Mwaikambo wrote:
> On Sun, 14 Aug 2005, Pavel Machek wrote:
> > > Ok perhaps on the resume side instead. When trying to resume can you
> > > try booting with 'dyntick=disable'. Note this isn't meant to be a long
> > > term fix but once we figure out where the problem is we should be able
> > > to code around it.
> >
> > Can you reproduce it using plain swsusp?
> >
> > We probably need more carefull suspend/resume support on timer with
> > dyntick enabled.
> >
> > With vanilla, timer just ticks on constant rate; no state to save.
> > With dyntick, however...
> Why not just set it to a fixed frequency, suspend and then on boot resume
> to a fixed frequency and let the timer tick code eventually switch back.

It's probably worth holding off further discussion on this point till the SMP
scalable version is working well enough and see if/how the problem manifests

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