On Tuesday 14 November 2006 11:48 pm, Len Brown wrote:
> On Wednesday 15 November 2006 02:03, David Brownell wrote:
> > dmesg reports to me stuff like
> >
> > ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
> > ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for [OpcodeName unavailable] [20060707]
> > ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.LPC0.BAT1._BIF] (Node ffff8100020368d0), AE_TIME
> > ACPI Exception (acpi_battery-0148): AE_TIME, Evaluating _BIF [20060707]
> > ACPI: read EC, IB not empty
> > ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
> > ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for [OpcodeName unavailable] [20060707]
> > ACPI Error (psparse-0537): Method parse/execution failed [\_TZ_.THRM._TMP] (Node ffff810002032d10), AE_TIME
>
> AE_TIME is generally used for timeout situations -- ie didn't get a semaphore within a certain period.
>
> Any change if you boot with "ec_intr=0"?
That does seem to get rid of the AE_TIME messages; thanks!
Next I'll try that "ec1.patch" from Alex, without overriding ec_intr.
- Dave
>
> thanks,
> -Len
>
> > It never used to complain at all. This is an amd64 laptop, and related symptoms
> > include
> >
> > - kpowersave not being able to monitor the batter or AC adapter correctly;
> > leading to catastrophes like laptop powering itself off with no warning,
> > loss of work, filesystem needing log recovery, and so forth.
> >
> > - Serious fan action. Recent kernels seemed to finally be doing sane things
> > so that e.g. just editing text kept the CPU cool ... but now it's on almost
> > all the time, CPU is very hot.
> >
> > What's an AE_TIME?
> >
> > I'm not quite sure where these problems crept in, but I never saw such stuff with
> > 2.6.18 at all.
> >
> > - Dave
> >
> >
-
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