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Re: crash with rt61pci when resuming with card ejected

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On Thu, 2008-10-30 at 22:47 +0100, Ivo van Doorn wrote:
> Hi,
> 
> > Maybe it was stupid, but with USB it always works, I suspended, ejected
> > the card (because I had to go and didn't want to resume) while suspended
> > and resumed when I arrived at uni, to find the laptop crashing.
> > 
> > http://johannes.sipsolutions.net/files/rt61pci-resume-crash.jpg

> Heh well these 2 functions are the most important ones in the trace anyway. ;)
> The only reason I see that rt61pci_mcu_request might fail like this is if writel()
> crashes when a device is unplugged while a driver still has a reference to the
> register base pointer which came from ioremap().
> But I don't know if that would be a valid assumption. :S

It looks like a NULL dereference to me. Look at

http://johannes.sipsolutions.net/files/rt61pci-resume-crash2.jpg

(ignore the first backtrace, it's something I always get, but it allows
me to see this oops because it turns on the console early :) )

johannes

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