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SubjectRe: sata suspend resume ...
On Wed, Apr 19, 2006 at 05:13:27PM +0100, Hugh Dickins wrote:
> On Wed, 19 Apr 2006, Jeff Chua wrote:
> >
> > Any change of getting suspend/resume to work on my IBM X60s notebook.
> >
> > Disk model is ...
> >
> > MODEL="ATA HTS541060G9SA00"
> > FW_REV="MB3I"
> >
> > Linux 2.6.17-rc2.
> >
> > System suspends ok. Resume ok. but no disk access after that.
>
> Not the same disk model, but I've been having similar trouble on a T43p.
>
> I was delighted to see the MSI suspend/resume fix go into 2.6.17-rc2,
> but then disappointed. A bisection found that Matt Mackall's sensible
> rc1 patch, to speed up get_cmos_time, has removed what often used to be
> a 2 second delay in resuming: things work well when I reinstate that
> delay (1 second has proved not enough). Below is the patch I'm using -
> where I've failed to resist mucking around to avoid those double calls
> to get_cmos_time, sorry: really it's just mdelay(2000) needed somewhere
> (until someone who knows puts in something more scientific).

That's interesting.

Just to be clear, with my changes we should never fire timers early.
Is the problem that we have a timer that didn't get deleted at suspend
time?

--
Mathematics is the supreme nostalgia of our time.
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