Re: broken suspend [Was: 2.6.24-rc2-mm1]

Rafael J. Wysocki
2007-11-17T20:20:16Z

On Saturday, 17 of November 2007, Jiri Slaby wrote:
> On 11/16/2007 05:10 PM, Alan Stern wrote:
> > On Thu, 15 Nov 2007, Greg KH wrote:
> >
> >>> The offending -mm patch is
> >>> gregkh-driver-pm-acquire-device-locks-prior-to-suspending.patch
> >>>
> >>> 2.6.24-rc2-mm1 minus it works just fine; PROVE_LOCKING shows nothing new when
> >>> the patch is applied.
> >> Thanks for tracking this down. Alan, any thoughts?
> >
> > It's a driver problem somewhere. Probably not one of the most common
> > drivers because I don't see the same problem here (but then I'm not
> > testing -mm).
> >
> > The thing to do is figure out which driver is causing the problem.
> > Jiri, try enabling CONFIG_DEBUG_DRIVER.
>
> Sadly no output.
>
> > If there's also a config
> > option to prevent the console from being suspended, set it as well.
>
> no_suspend_console kernel parameter has no effect (why?).

I'm not sure.

Please try to set CONFIG_PM_VERBOSE.