Re: [patch] PM: suspend/resume debugging should depend on SOFTWARE_SUSPEND

Rafael J. Wysocki
2006-11-26T10:23:13Z

On Sunday, 26 November 2006 08:11, Robert Hancock wrote:
> Alan wrote:
> > Lots of other controllers don't work correctly on resume but thats much
> > less of a problem and with UDMA misclocking generally turns into a CRC
> > error storm and stop.
> >
> > Andrew has about 2/3rds of the bits I've done now, will push the rest
> > when I've done a little more testing/checking. At that point libata ought
> > to be resume safe. Someone who cares about drivers/ide legacy support can
> > then copy the work over.
>
> btw, I have some code almost ready for sata_nv to add proper
> suspend/resume support. Unfortunately I have trouble testing it, since
> STR doesn't work on my machine since, guess what - the video doesn't
> come back! It doesn't even take the monitor out of standby mode. None of
> the acpi_sleep options seem to work, and vbetool appears to helpfully
> segfault on any operation so that's out.

I guess it's x86-64? Which version of vbetool?

> This is an NVIDIA SLI setup so that probably makes things a bit more
> complicated.

Ouch.

> In any case, it should be better than what we have right now for
> suspend/resume support in sata_nv, namely the "do nothing, won't work
> (at least not for CK804 and later)" implementation..

I think I can test it if you send me the patch.

Greetings,
Rafael

--
You never change things by fighting the existing reality.
R. Buckminster Fuller