Re: crash with rt61pci when resuming with card ejected

[Ivo van Doorn <ivdoorn@gmail.com>]

On Friday 31 October 2008, Johannes Berg wrote:
> On Fri, 2008-10-31 at 20:31 +0100, Ivo van Doorn wrote:
> 
> > Hmm, it looks like CSR base is NULL, after which the H2M_MAILBOX_CSR
> > offset is added to it (0x2100)
> > 
> > The strange part is thet CSR is freed and set to NULL _after_ the
> > rt2x00lib_remove_dev() call...
> > Oh wait never mind, I get the picture, I missed the "ejected _while_ suspended"
> > part. I think what is happening is that first the suspend handler is called,
> > and during resume not the resume handler but the remove handler is running,
> > and rt2x00 doesn't protect against that.
> > 
> > Could you check if below patch does the trick? If I am not mistaken only the
> > LED handler actually accesses the hardware to make sure they are off.
> 
> Now it crashes in config_pairwise_key or something like that, I can send
> you the image if you want.

No need. :)
I assume mac80211 calls set_key() to disable all hardware keys when
ieee80211_unregister_hw() is being called. I'll cook up a patch to catch
that as well.

Ivo