On Fri, 14 Aug 2009, Rafael J. Wysocki wrote: > 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. Same sort of thing happened with me, but it appeared to happen during suspend. (I say "appeared" because the system froze for a while at the start of the suspend until I hit a key. This may be related to all the recent churn in the TTY layer, combined with the fact that I was using a serial console. It didn't help -- none of the backtraces got sent out the serial port.) > 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. I think it would be worthwhile to track down these unknown problems and dependencies. It won't be easy, though... Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
