Re: intel_idle .. Was: __pm_runtime_resume() returns -1 Was: Regression in 2.6.36

[Rafael J. Wysocki]

On Saturday, October 23, 2010, Christian Ruediger Bahls wrote:
> [2010-10-23 01:58] Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> > On Fri, 22 Oct 2010 15:38:01 +0200
> > Christian Bahls <lkml@xxxxxxxx> wrote:
> > > The regression seems to have been introduced by the merge:
> > >   92b4522f72916ff2675060e29e4b24cf26ab59ce
> > > 
> >
> > I suspect your bisection went wrong :(
> ...
> > It's really hard to see how that change could break the resume
> > operation.
> 
> you were right ..
> 
> btw: this is not resume but system boot .. either cold or warm
>  [pressing any button(even the power-button) makes the boot continue]
> 
> the failure has lots of different incarnations:
>  during booting it sometimes stalls:
>  on initializing the sata drive
>  while mounting/un-mounting the sata drive
>  or other obscure occasions (syncing drives/initializing hardware)
> 
> in later versions of the kernel it throws the 
>  "__pm_runtime_resume() returns -1"-warnings

Do you have CONFIG_PM_VERBOSE set in your .config by chance?

Rafael
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/