Re: [linux-pm] Occasional (too common) suspend problem

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On Saturday, January 22, 2011, Rafael J. Wysocki wrote:
> On Friday, January 21, 2011, Linus Torvalds wrote:
> > On Fri, Jan 21, 2011 at 2:42 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> > >
> > > Something like this, perhaps.  It doesn't blow up my Toshiba test box, so
> > > hopefully it won't blow up yours ...
> > 
> > Failed suspend on the very first try..
> 
> Well, so it's not this problem (which was a red herring).
> 
> I wonder if you can reproduce the failure with the
> 
> # echo core > /sys/power/pm_test
> # echo mem > /sys/power/state
> 
> test?  I think you can even try to run the second command in a tight loop
> (the first one simply triggers a switch) and see what happens.

Hmm, this is a long shot.

Can you try to change acpi_os_ioremap() in your current tree so that it calls
ioremap() instead of ioremap_cache() and see if that makes a difference?

Rafael
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