Messages in this thread | | | Date | Mon, 5 Jan 2009 14:33:38 +0000 | From | Matthew Garrett <> | Subject | Re: [BUG] 2.6.28 hates my RTC clock - with PM_TRACE set |
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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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