[PATCH] fix pcmcia_device_remove oops

Dominik Brodowski linux at dominikbrodowski.net
Sun Apr 2 08:16:54 EDT 2006


On Sun, Apr 02, 2006 at 12:09:28PM +0100, Hugh Dickins wrote:
> On Fri, 31 Mar 2006, Dominik Brodowski wrote:
> > On Fri, Mar 10, 2006 at 09:15:19PM +0000, Hugh Dickins wrote:
> > > I've not yet seen my cards working in -mm (maybe intermittent
> > > anomaly at my end), and saw oops when removing and inserting card; but
> > > follow those issues up another time, this is a good start just for
> > > closing down the box.
> > 
> > Is this issue persistent? What cards are you using? lspcmcia -vv output
> > (from pcmciautils-013) preferred :)
> The "not yet seen my cards working in -mm" does look like intermittent
> anomaly at my end.  I have now seen the Orinoco Gold card (the only
> one I was really using) working with 2.6.16-mm2 - but also seen it
> not working.  I think we can assume problems there are with the
> card itself, or with my wireless setup: not any PCMCIA concern.

Thanks for the continuing testing.

> But the crash when removing that card persists (with 2.6.16-mm2:
> 2.6.16-git20 has no problem).  It looks like inserting the card
> for the first time is okay, removing it hits a BUG, then reinserting
> hits a kernel page fault - almost certainly because of the unclean
> state left by the BUGgy remove.  So let's assume inserting is fine.

Do I assume correctly that you only see this bug when removing and
re-inserting the orinoco card, but not the other card(s) you're using?

> Here's the BUG trace from removing the card
Thanks, will investigate it.

> (that machine still using the old cardmgr handling):
That shouldn't (yet) be broken.


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