Re: Cardbus and kb/mouse lockup

From: Wakko Warner (
Date: Thu Mar 16 2000 - 21:36:37 EST

> > I happen to think about it this morning. Someone told me (private email I
> > think) that his ps2 mouse locked if something was using irq 12. Mine
> > doesn't lock if the cdrom is missing. So what I thought thismorning is the
> > fact that the cardbus driver is walking over the first available IRQ (in my
> > case, cdrom installed, irq15 is used, 14 is always used, 13 reserved and 12
> > doesn't show up in the pci irq list). But with the cdrom missing, it walks
> > over irq 15.
> >
> > Does this make any sense?
> Yes. The change that fixed the mouse for others was to not probe for
> irq12.
> I suspect that we could even probe for irq12 as long as we after the probe
> make sure that we don't leave it parked at the last irq we probed. It
> _shouldn't_ matter, but it obviously does.
> You can test with one of the broken kernels whether the following
> one-liner makes a difference for you: add the line
> exca_writeb(socket, I365_CSCINT, 0);
> to the end of the yenta_probe_irq() function.

Sorry, didn't help me there. I'll try 2.3.99 (wow, reminds me of bind v4 to
bind v8) after sleep and work <g>

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