Re: A reference implementation of PCI suspend/resume?

[Adam Belay <ambx1@neo.rr.com>]

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On Tue, May 17, 2005 at 09:28:10PM +0200, Rafael J. Wysocki wrote:
> On Tuesday, 17 of May 2005 20:35, David Brownell wrote:
> > On Tuesday 17 May 2005 2:10 am, Rafael J. Wysocki wrote:
> > 
> > > Could you please have a look at http://bugzilla.kernel.org/show_bug.cgi?id=4416
> > 
> > Sorry, I don't have much time for such things; especially for
> > problems that only appear in the MM tree (with so many non-USB
> > changes) ... and which already appear to be board-specific, and
> > tied to ACPI changes.
> 
> Never mind.  :-)
> 
> > > There seems to be a problem with OHCI and EHCI drivers wrt suspend/resume
> > > (swsusp) in the current -mm on that box.
> > 
> > Is that with or without those ACPI fixes?
> 
> Both ...
> 
> Rafael
> 

Have you checked which of these device drivers are calling free_irq() in
their suspend routines.  Also could I see /proc/interrupts (with an offending
combination of drivers loaded) and a list of the hardware you think might be
involved.  Have you been able to find a pair of drivers that will cause this
problem?

Thanks,
Adam

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