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List:       linux-kernel
Subject:    Re: Suspend-to-disk woes
From:       Matthew Garrett <mgarrett () chiark ! greenend ! org ! uk>
Date:       2005-03-21 0:17:57
Message-ID: E1DDAcH-0002n5-00 () chiark ! greenend ! org ! uk
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Nigel Cunningham <ncunningham@cyclades.com> wrote:

> Yuck! Why panic when you know what is needed? A better solution is to
> tell the user they've messed up and given them the option to (1) reboot
> and try another kernel or (2) have swsusp restore the original swap
> signature and continue booting. This is what suspend2 does (with a
> timeout for the prompt). It's not that hard.

It's trivial to do this in userspace - just have an app in initramfs
that checks for a swsusp signature, and then compare the kernel
versions. If they mismatch, prompt for what to do. Putting it in the
kernel is madness.

-- 
Matthew Garrett | mjg59-chiark.mail.linux-rutgers.kernel@srcf.ucam.org
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