Re: PROBLEM: Problem with wireless PCMCIA card insertion on 2.6.0-test2

["Jeremy T. Bouse" <Jeremy.Bouse@UnderGrid.net>]

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On Mon, Aug 04, 2003 at 07:01:33PM +0100, Russell King wrote:
> On Mon, Aug 04, 2003 at 10:18:59AM -0700, Jeremy T. Bouse wrote:
> > [1.]
> > Problem with Wireless PCMCIA card insertion.
> 
> PCMCIA or CardBus?
>
	My bad it is a CardBus bridge using the yenta socket
CONFIG_CARDBUS=y
 
> > [5.]
> > Jul 28 18:02:10 vaio kernel: airo:  Probing for PCI adapters
> > Jul 28 18:02:10 vaio kernel: kobject_register failed for airo (-17)
> 
> This looks like an error in airo.  For starters, it doesn't unregister
> its PCI driver structure when the module removed, so when it is
> inserted the next time, you get this complaint.
> 
> (You can only have one driver called "airo" registered with the device
> model.)
>
	I am currently compiling -test2-bk4 to test it out and see if
there is any change... I did notice a patch to airo.c in it... I'll
advise if there is any change good or bad... 
 
> 
> Oops, it seems to be scheduling from timer context.  That's pretty bad.
> I guess this is the culpret:
> 
> static u16 issuecommand(struct airo_info *ai, Cmd *pCmd, Resp *pRsp) {
> ...
>                 if (!in_interrupt() && (max_tries & 255) == 0)
>                         schedule();
> ...
> }
> 
	This must be active only if CONFIG_PREEMPT is set as the atomic
errors did seem to cease after recompiling with CONFIG_PREEMPT not being
set... 

	Regards,
	Jeremy T. Bouse

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