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Date: Sun, 26 Nov 2006 01:11:33 -0600 From: Robert Hancock <hancockr@...w.ca> To: linux-kernel <linux-kernel@...r.kernel.org> Cc: Alan <alan@...rguk.ukuu.org.uk>, Pavel Machek <pavel@....cz> Subject: Re: [patch] PM: suspend/resume debugging should depend on SOFTWARE_SUSPEND 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. This is an NVIDIA SLI setup so that probably makes things a bit more complicated. 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.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@...pamshaw.ca Home Page: http://www.roberthancock.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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