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Date: Wed, 16 Aug 2006 03:41:40 +0100
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Dave Jones <davej@redhat.com>,
       Nigel Cunningham <ncunningham@linuxmail.org>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: peculiar suspend/resume bug.
Message-ID: <20060816024140.GA30814@srcf.ucam.org>
References: <20060815221035.GX7612@redhat.com> <1155687599.3193.12.camel@nigel.suspend2.net> <20060816003728.GA3605@redhat.com>
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On Tue, Aug 15, 2006 at 08:37:28PM -0400, Dave Jones wrote:

> cpufreq-applet crashes as soon as the cpu goes offline.
> Now, the applet should be written to deal with this scenario more
> gracefully, but I'm questioning whether or not userspace should
> *see* the unplug/replug that suspend does at all.

As Nigel mentioned, cpu unplug happens just before processes are frozen, 
so I guess there's a chance for it to be scheduled. On the other hand, 
it's not unreasonable for CPUs to be unplugged during runtime anyway - 
perhaps userspace should be able to deal with that?

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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