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Date:      Thu, 04 Sep 2008 13:51:29 +0100
From:      Gavin Atkinson <gavin@FreeBSD.org>
To:        Bruce M Simpson <bms@incunabulum.net>
Cc:        freebsd-stable@FreeBSD.org
Subject:   Re: ACPI sleep broken on ASUS Vintage AH-1
Message-ID:  <1220532689.94705.4.camel@buffy.york.ac.uk>
In-Reply-To: <48BFC577.7000800@incunabulum.net>
References:  <48BFC577.7000800@incunabulum.net>

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On Thu, 2008-09-04 at 12:24 +0100, Bruce M Simpson wrote:
> Hi,
> 
> Just noticed that when I try to ACPI-sleep an ASUS Vintage AH-1 based 
> desktop system, that I get the following message:
>     acpiconf: request sleep type (3) failed: Operation not supported
> 
> Supported sleep states in sysctl:
>     hw.acpi.supported_sleep_state: S1 S3 S4 S5
> 
> This is an amd64 uniprocessor system running 7.0-RELEASE. BIOS version 
> is 0303 (last release), it is an AMI BIOS. I've seen S3 sleep work fine 
> in Windows XP on this box.
> 
> I would really like to be able to sleep this box rather than up/down it, 
> as it's in my home, less noise, less power consumption etc.

Currently, suspend/resume is unsupported on FreeBSD/amd64, as nobody has
yet written the amd64 equivalent of sys/i386/acpica/acpi_wakecode.S.
NetBSD has this code, I'm not sure how easy it would be to port it over
or if it would be easier to write it from scratch.

Gavin



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