On Monday, 30 of June 2008, Andrew Morton wrote:
> On Thu, 5 Jun 2008 21:01:55 +0000
> "Justin Mattock" <justinmattock@xxxxxxxxx> wrote:
>
> > FWIW I noticed a post where the person had changed 5 to 20, and it
> > seemed to work for them;
> > So with that in mind I decide to give that a go, here is the location:
> > drivers/acpi/ec.c
> > @@ -527,47 +488,51 @@ static u32 acpi_ec_gpe_handler(void *data)
> > {
> > acpi_status status = AE_OK;
> > struct acpi_ec *ec = data;
> > u8 state = acpi_ec_read_status(ec);
> >
> > pr_debug(PREFIX "~~~> interrupt\n");
> > atomic_inc(&ec->irq_count);
> > - if (atomic_read(&ec->irq_count) > 5) {
> > + if (atomic_read(&ec->irq_count) > 20) {
> > pr_err(PREFIX "GPE storm detected, disabling EC GPE\n");
> > ec_switch_to_poll_mode(ec);
> > goto end;
> > }
> >
> > Now I don't know if this will work for other brands, but for
> > me(Macbook Pro ATI chipset) I have not received the
> > GPE storm detected, disabling EC GPE message, but it's only been an
> > hour, maybe after two or three this might appear.
> > Also is this good or bad to set 5 to 20 for the system?
> > regards;
>
> We've had a few reports of this GPE-storm problem and I've rather lost
> track of what's happening. Has anyone looked into it?
Yes, the problem is still being worked on, AFAICS.
> If not, do we have a bugzilla report where we can work on this?
There's a bugzilla entry at http://bugzilla.kernel.org/show_bug.cgi?id=10724 .
Thanks,
Rafael
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