On Fri 16-04-10 20:00:29, Rafael J. Wysocki wrote:
> On Wednesday 14 April 2010, Michal Hocko wrote:
> > On Tue 13-04-10 22:53:37, Rafael J. Wysocki wrote:
> > > On Tuesday 13 April 2010, Michal Hocko wrote:
> > > > On Tue 13-04-10 01:01:54, Rafael J. Wysocki wrote:
> > > > > On Saturday 10 April 2010, Rafael J. Wysocki wrote:
> > > > > > On Friday 09 April 2010, Tony Vroon wrote:
> > > > > > > On Fri, 2010-04-09 at 22:42 +0200, Rafael J. Wysocki wrote:
> > > > > > > > Please check if the patch below changes anything.
> > > > > > > > drivers/acpi/wakeup.c | 4 ++--
> > > > > > > > 1 file changed, 2 insertions(+), 2 deletions(-)
> > > > > > >
> > > > > > > That didn't change the behaviour for me, sorry.
> > > > > >
> > > > > > Well, I would be sorry if it did, because the patch removed some useful code. :-)
> > > > > >
> > > > > > > (I made sure to go through a full power down session before trying the
> > > > > > > patched kernel)
> > > > > >
> > > > > > Thanks for testing. So it looks like we don't disable the GPE during power off.
> > > > > >
> > > > > > I'll try to figure out what's going on, please stay tuned.
> > > > >
> > > > > Can you please check if the patch below changes the behavior?
> > > >
> > > > Unfortunately, it didn't help either (I have tried on top of the fresh
> > > > rc4).
> > >
> > > That gets really weird.
> > >
> > > > > ---
> > > > > drivers/acpi/wakeup.c | 6 +++---
> > > > > 1 file changed, 3 insertions(+), 3 deletions(-)
> > > > >
> > > > > Index: linux-2.6/drivers/acpi/wakeup.c
> > > > > ===================================================================
> > > > > --- linux-2.6.orig/drivers/acpi/wakeup.c
> > > > > +++ linux-2.6/drivers/acpi/wakeup.c
> > > > > @@ -63,17 +63,17 @@ void acpi_enable_wakeup_device(u8 sleep_
> > > > > list_for_each_safe(node, next, &acpi_wakeup_device_list) {
> > > > > struct acpi_device *dev =
> > > > > container_of(node, struct acpi_device, wakeup_list);
> > > > > + u8 action = ACPI_GPE_ENABLE;
> > >
> > > Can you try to change the above to ACPI_GPE_DISABLE and retest, please?
> >
> > Unfortunately didn't help as well...
> > Just for reference:
> >
> > diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
> > index 248b473..f23c08f 100644
> > --- a/drivers/acpi/wakeup.c
> > +++ b/drivers/acpi/wakeup.c
> > @@ -63,7 +63,7 @@ void acpi_enable_wakeup_device(u8 sleep_state)
> > list_for_each_safe(node, next, &acpi_wakeup_device_list) {
> > struct acpi_device *dev =
> > container_of(node, struct acpi_device, wakeup_list);
> > - u8 action = ACPI_GPE_ENABLE;
> > + u8 action = ACPI_GPE_DISABLE;
>
> That probably means the chipset enables the GPEs by itself _after_ we've
> disabled them in acpi_enable_wakeup_device().
Is this something BIOS specific?
>
> Unfortunately, I can't reproduce the issue on any of my test boxes and it's
> hard to find the source of the problem staring at the code.
Are there any debug options I can turn on to provide some information?
Btw. what exactly does this mean? In what state is the laptop while it
is turned off and GPE is enabled?
Thanks!
>
> Rafael
--
Michal Hocko
L3 team
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic
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