Re: [RFC][PATCH 0/3] PM: Asynchronous suspend and resume

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On Wednesday 12 August 2009, Rafael J. Wysocki wrote:
> On Wednesday 12 August 2009, Alan Stern wrote:
> > On Wed, 12 Aug 2009, Rafael J. Wysocki wrote:
> > 
> > > Hi,
> > > 
> > > The following patches introduce a mechanism allowing us to execute device
> > > drivers' suspend and resume callbacks asynchronously during system sleep
> > > transitions, such as suspend to RAM.  The idea is explained in the [1/1] patch
> > > message.
> > > 
> > > Comments welcome.
> > 
> > I get the idea.  Not bad.
> 
> Thanks!
> 
> > Have you tried it in a serious way?  For example, turning on the
> > async_suspend flag for every device?
> 
> No, I've only tested it with a few selected drivers.  I'm going to try the
> "async everyone" scenario, though.

On HP nx6325 booted with init=/bin/bash it doesn't pass the
'echo devices > /sys/power/pm_test && echo mem > /sys/power/state' test.

The suspend part actually seems to work, but the resume part crashes
miserably.

Thanks,
Rafael
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