Re: peculiar suspend/resume bug.

From: Dave Jones
Date: Tue Aug 15 2006 - 23:52:34 EST

On Wed, Aug 16, 2006 at 03:41:40AM +0100, Matthew Garrett wrote:
> 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?

Sure, I'm not debating that point. It's a bug in the applet that needs fixing,
but it also seems that we could be saving a whole lot of pain by
hiding this from userspace at suspend/resume time.


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