lkml.org 
[lkml]   [2014]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 0/3] ACPI / PM: Make ACPI-based PCI wakeup work for the "freeze" sleep state
Date
On Tuesday, July 22, 2014 10:55:38 AM Peter Zijlstra wrote:
> On Tue, Jul 22, 2014 at 03:23:29AM +0200, Rafael J. Wysocki wrote:
>
> > That turned out to be more challenging than I had thought initially.
> >
> > The last version I sent was almost OK, but it had some issues (like it could
> > walk the PCI hierarchy before resuming any PCI devices during system resume),
> > so a new version follows. I did my best to avoid introducing any new problems
> > with it, but I obviously might overlook something.
> >
> > It works for me and doesn't seem to break anything as far as I can say.
> >
> > [1/3] Make PM workqueue available for CONFIG_PM_RUNTIME unset.
> > [2/3] Rework the handling of ACPI device wakeup notifications.
> > [3/3] Enable wakeup GPEs while setting up devices for wakeup during system
> > suspend too.
>
> Doesn't break, doesn't 'work' either.

This probably means that WoL on that machine is not ACPI-based.

> Is there anything I can provide you with to make this easier? lspci output
> or anything like that?

Yes, /proc/interrupts from the machine in question would help to start with.

Also /sys/kernel/debug/wakeup_sources (if /sys/kernel/debug/ is where your debugfs
lives) before and after a "freeze" with an attempt to use WoL to wake it up.

Rafael



\
 
 \ /
  Last update: 2014-07-22 15:01    [W:0.089 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site