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SubjectRe: [BUG] 2.6.28 hates my RTC clock - with PM_TRACE set
On Mon, Jan 05, 2009 at 10:19:22PM +0800, Jike Song wrote:

> As usually, it suspended to RAM successfully. But after I press the
> power button, it won't come back, giving me nothing but a black
> screen. So I hold the power button done for about 5 seconds, then the
> computer halted(it's only a hardware feature of the southbridge,
> right? ;-), silently, without any output on the always-black screen.
>
> So the PM_TRACE code was broken, right?

Why do you say that?

> After rebooting the computer, I found I was in the year 1988! And I
> do the suspend-hold_power_button-reboot once again, now it is 2040
> years A.D.

PM_TRACE uses the clock registers to store information about which
device the kernel was attempting to resume when it hung. It's expected
that your clock will be wrong afterwards.

--
Matthew Garrett | mjg59@srcf.ucam.org


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