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    SubjectRe: broken suspend [Was: 2.6.24-rc2-mm1]
    Date
    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.
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