Oops: machine check, sig: 7 [#1] - 16-bit Pccard - SOLVED!!!

Benjamin Herrenschmidt benh at kernel.crashing.org
Mon Apr 10 21:30:14 EDT 2006


> > I see from the dmesg output from my original post that memory ranges 
> > 0xfdd7f000 and 0xfddff000 are used by the Gatwick and Heathrow mac io 
> > controllers.  That explains the conflict with PCMCIA over 0xfd000000.
> 
> interesting...the memory ranges are used by other devices yet the
> request_resource() call in PCMCIA succeeds,,,and PCI resources shoudn't
> be there in the first place then...
> 
> ok, it's in file arch/powerpc/platforms/powermac/feature.c...
> i can't see any request_resource() calls in there...so CC'ing the PPC guys..
> they can sure comment...

Most of the macio stuff is in drivers/macintosh/macio_asic.c ... the
whole macio itself is a PCI device and thus should already "occupy" it's
possibly address range...

> > 
> > Question, can I minimize the range of memory that is reserved 0xffffff - or 
> > is it a waste of time?
> > 
> 
> yeah, you probably could, but it sounds like a waste of time...
> 
> > Eddie
> > 
> 
> rgds
> -daniel




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