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

From: Rafael J. Wysocki
Date: Fri Aug 14 2009 - 15:12:21 EST


On Friday 14 August 2009, Alan Stern wrote:
> On Thu, 13 Aug 2009, Rafael J. Wysocki wrote:
>
> > > 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.
>
> Any details? Can you tell where it crashes?

Unfortunately it ends up in a continuous flood of backtraces, so I can't
say much.

However, if I set async_suspend for all PCI devices, as well as for ACPI battery
and i8042, everything apparently works, even with real suspend-resume.

Thanks,
Rafael
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/