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SubjectRe: pcmcia oops on 2.6.17-rc[12]
On Mon, May 15, 2006 at 11:07:08PM +0100, Alan Cox wrote:
> On Llu, 2006-05-08 at 17:34 +0100, Russell King wrote:
> > > So 8250 is requesting an IRQ for non-sharing mode and it's actually
> > > failing, because something else is already using that IRQ. The difference
> > > is that the kernel now generates a warning when this happens.
> >
> > Maybe someone is clearing the UPF_SHARE_IRQ flag? Which port is this?
>
> Its a bug in the PCMCIA code. Its the one I hit with the IDE code.
> Asking for a private IRQ is not always honoured.

Not in this case - the call trace is definitely a result of setserial
being used. serial_cs _always_ registers ports with 8250 with the
share IRQ flag set.

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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