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From: Bruno Ducrot <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
To: Adam Kessel <adam-/J5p37YCQWYytDrLOV7HaA@public.gmane.org>
Cc: Nate Lawson <nate-Y6VGUYTwhu0@public.gmane.org>,
	acpi-devel-TtF/mJH4Jtrk1uMJSBkQmQ@public.gmane.org
Subject: Re: Handler for [EmbeddedControl] returned AE_TIME in 2.6.1/20040116
Date: Wed, 4 Feb 2004 11:32:26 +0100	[thread overview]
Message-ID: <20040204103226.GI882@poupinou.org> (raw)
In-Reply-To: <20040203234141.GA8327-/J5p37YCQWYytDrLOV7HaA@public.gmane.org>

On Tue, Feb 03, 2004 at 06:41:41PM -0500, Adam Kessel wrote:
> On Tue, Feb 03, 2004 at 02:40:16PM -0800, Nate Lawson wrote:
> > 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.
> 
> Is FreeBSD using the same ACPI code base?

For EC I tend to say 'no'.

> Is there an easy patch to apply
> to test to see if this eliminates or mitigates the problem?

Under driver/acpi/ec.c
you have a
#define ACPI_EC_UDELAY_COUNT	1000

Try with
#define ACPI_EC_UDELAY_COUNT	10000

That should give you a 100ms timeout.

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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  parent reply	other threads:[~2004-02-04 10:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-03 17:24 Handler for [EmbeddedControl] returned AE_TIME in 2.6.1/20040116 Adam Kessel
     [not found] ` <20040203172413.GA1299-H/G4Yv+sbq78nmnftgJBZjK0Oss5Xsdo@public.gmane.org>
2004-02-03 22:40   ` Nate Lawson
     [not found]     ` <20040203143906.B33512-Y6VGUYTwhu0@public.gmane.org>
2004-02-03 23:41       ` Adam Kessel
     [not found]         ` <20040203234141.GA8327-/J5p37YCQWYytDrLOV7HaA@public.gmane.org>
2004-02-04 10:32           ` Bruno Ducrot [this message]
     [not found]             ` <20040204103226.GI882-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>
2004-02-04 20:40               ` Adam Kessel
     [not found]                 ` <20040204204055.GA8434-H/G4Yv+sbq78nmnftgJBZjK0Oss5Xsdo@public.gmane.org>
2004-02-05  9:38                   ` Bruno Ducrot

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