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Date:      Sat, 20 Dec 2008 12:09:26 -0800
From:      Nate Lawson <nate@root.org>
To:        Garrett Cooper <yanefbsd@gmail.com>
Cc:        acpi@freebsd.org
Subject:   Re: Problem on AMD64
Message-ID:  <494D50F6.70303@root.org>
In-Reply-To: <7d6fde3d0812191923g3824a094p647809a0993574b6@mail.gmail.com>
References:  <494C22EA.5010408@bigfoot.com> <7d6fde3d0812191923g3824a094p647809a0993574b6@mail.gmail.com>

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Garrett Cooper wrote:
> On 12/19/08, David van Kuijk <dynasore@bigfoot.com> wrote:
>> I try to put my machine in sleep state but get the message that this is
>> not supported.
>>
>> command and result:
>> $ acpiconf -s 4
>> acpiconf: request sleep type (4) failed: Operation not supported
>>
>> I get the same message for other sleep states 1,2,3.
>>
>> My machine is a HP Proliant ML115 AMD64 running FreeBSD 7.0-RELEASE
>>
>> Result from sysctl hw.acpi is
>> hw.acpi.supported_sleep_state: S4 S5

Only S4 (suspend to disk) or S5 (power off) are supported by your BIOS.

>> Anyone suggestions to a solution or is this a bug?
> 
> ACPI support doesn't work on mainline FreeBSD. There is a testing
> patch available via this thread though:
> 
> http://www.mavetju.org/mail/view_message.php?list=freebsd-acpi&id=2850196

The patch won't help fix this. Someone needs to implement
suspend-to-disk since we don't yet support it. It's a pretty big project.

-- 
Nate



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