From: Phillip Susi <psusi@ubuntu.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-acpi@vger.kernel.org
Subject: Re: Disable hibernate -- Live media shouldn't allow it?
Date: Thu, 16 May 2013 09:56:43 -0400 [thread overview]
Message-ID: <5194E59B.8070800@ubuntu.com> (raw)
In-Reply-To: <1504575.PoflzRoA7X@vostro.rjw.lan>
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On 5/16/2013 4:54 AM, Rafael J. Wysocki wrote:
> No, I don't think so. At least I'm not aware of that. Do you have
> any pointers to the kernel code doing that?
No, but I also can't see anything in user mode doing it either, which
is why I'm asking. I assumed that since this is an emergency response
required by the ACPI spec, that it would be implemented by the kernel
ACPI driver.
> Actually, it is not all it takes. You need to point the hibernate
> code to the specific swap through the resume= kernel command line
> option (there is a default, though).
That's needed to resume, but not to hibernate. Simply doing a swapon
is enough to enable hibernating. Checking that you have a valid
resume= kernel argument probably would be a sane thing to do before
allowing hibernation, but this isn't currently the case.
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prev parent reply other threads:[~2013-05-16 13:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-15 22:14 Disable hibernate -- Live media shouldn't allow it? Phillip Susi
2013-05-15 22:29 ` Rafael J. Wysocki
2013-05-15 23:45 ` Phillip Susi
2013-05-16 8:54 ` Rafael J. Wysocki
2013-05-16 13:56 ` Phillip Susi [this message]
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