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Re: cardbus reads from not exist function
From: David Young <dyoung%pobox.com@localhost>
Date: Mon, 30 Jun 2008 16:13:56 -0500
> On Mon, Jun 30, 2008 at 10:27:06PM +0200, Matthias Drochner wrote:
> > kiyohara%kk.iij4u.or.jp@localhost said:
> > > +#if 0
> > > bcr |= PCI_BRIDGE_CONTROL_MABRT << PCI_BRIDGE_CONTROL_SHIFT;
> > > +#endif
> properly understand this bug, first. Looks to me like there is a crash
> in Cardbus_mapreg_unmap(). Previously, we had _map()'d the region.
> Why the crash?
I think this reason call cardbus_space_free(), and not call
cardbus_space_alloc(). I look this message,
cardbus_mem_find: expected type mem, found i/o
reported by cardbus_mem_find() and return 1. Therefore,
cardbus_mapreg_map() doesn't call cardbus_space_alloc().
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