[linux-pm] Re: Hotplug events during sleep transition

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Hi!

> I recently worked on a patch to unbind USB drivers that don't have 
> suspend/resume methods, and then rebind them when the system comes back 
> up.  There was an unexpected effect: In some cases the unbind or rebind 
> operations caused hotplug events, which started up new user processes at a 
> time when everything was supposed to be frozen.  Obviously this is not a 
> good thing.
> 
> Is there some other way these sorts of events can be handled?  For
> instance, can the hotplug system be smart enough to delay creating the new
> processes?  Or can they be created already in a frozen state?

There were some problems with this already... but I do not recall what
the solution was. lkml thread, IIRC. Were it PCMCIA cards or something
like that?
								Pavel

-- 
Thanks, Sharp!

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