Re: pcmcia irq trouble

[Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

Justin,
probably good to file a bug and work with David Shaohua Li on this one.
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

component: Config-Hotplug

Please include the output from lspci -v, /proc/interrupts, and dmesg
-s40000

thanks,
-Len

On Wed, 2004-03-24 at 01:35, Justin Karneges wrote:
> Thank you, Matthew and Len, for answering my general questions about 
> acpi-devel.
> 
> Now, I've discovered a problem, and this may or may not be related to ACPI, 
> but I think it is.  If not, I'll be happy to redirect this message to the 
> appropriate target.
> 
> I'm using the Sony VAIO PCG-VX88 laptop.  Without ACPI, almost none of the 
> major peripherals function except for the external PCMCIA slot.  The VX88 has 
> an embedded wi-fi which is detected as a secondary PCMCIA slot, but again, 
> without ACPI this does not work.  If I recall correctly, the driver would 
> report: "RequestIRQ: Resource in use".  I contacted the author of the 
> (orinoco) driver, and he claimed this was outside the scope of the driver.  
> Indeed, looking at the code it appears that the pcmcia subsystem deals with 
> dishing out IRQs, not the actual card drivers.
> 
> With kernel 2.4.26-pre5 + today's ACPI patch, everything seems to work, 
> including the internal wi-fi, _except_ for the external PCMCIA.  Inserting my 
> bluetooth card yields the message: "RequestIRQ: Resource in use".  It's 
> almost as if the pcmcia slots switched roles. :)
> 
> The VX88 uses yenta socket, and I noticed that your latest ChangeLog mentions 
> a fix regarding multiple cards and irqs on a yenta socket, but this does not 
> appear to be the same problem (or the fix was incomplete).
> 
> If this is an ACPI issue, how can I help resolve it?  I'm a competent 
> programmer, and I have no problem with mucking with the source.
> 
> Thanks,
> -Justin




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