On Friday 13 November 2009 21:11:12 Matthew Garrett wrote: > On Fri, Nov 13, 2009 at 11:21:18AM -0600, Larry Finger wrote: > > > I do not know enough about either the ACPI or DMA code to begin debugging in > > either of those regions. Any suggestions on debugging strategies, or links to > > similar problems would be appreciated. > > Could the hardware be highly sensitive to DMA latencies? Take a look at > the pm_qos code in ipw2100. This makes perfect sense, yes. The DMA engine has so many quirks, I wouldn't be surprised if it couldn't handle pm properly. -- Greetings, Michael. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html