Re: Handler for [EmbeddedControl] returned AE_TIME in 2.6.1/20040116

[Nate Lawson <nate-Y6VGUYTwhu0@public.gmane.org>]

On Tue, 3 Feb 2004, Adam Kessel wrote:
> I'm using 2.6.1 with the latest ACPI patch (20040116). When I switch from
> AC to battery or vice-versa, I get the following:
>
> ACPI-0347: *** Error: Handler for [EmbeddedControl] returned AE_TIME
> ACPI-1120: *** Error: Method execution failed [\_SB_.PCI0.ISA0.EC0_.SMWR] (Node d7f24f80), AE_TIME
> ACPI-1120: *** Error: Method execution failed [\_SB_.PCI0.ISA0.BAT1.CHBP] (Node d7f238e0), AE_TIME
> ACPI-1120: *** Error: Method execution failed [\_SB_.PCI0.ISA0.EC0_.SMSL] (Node d7f24f40), AE_TIME
> ACPI-1120: *** Error: Method execution failed [\_SB_.PCI0.ISA0.EC0_._Q09] (Node d7f24ea0), AE_TIME
>
> After that, ACPI no longer gives accurate information about the battery
> status (e.g., it will say "discharging" and a fixed amount of battery
> life left regardless of how much it has charged since the switch).

We moved to a 100 ms timeout on EC requests for FreeBSD because some
devices just couldn't respond quicker.  But I think there's a larger issue
somewhere here where interrupts are being lost.

-Nate


-------------------------------------------------------
The SF.Net email is sponsored by EclipseCon 2004
Premiere Conference on Open Tools Development and Integration
See the breadth of Eclipse activity. February 3-5 in Anaheim, CA.
http://www.eclipsecon.org/osdn