Re: 2.2.12 Kernel Oops in parport_pc with plip and alsa

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 3 Nov 1999 12:00:53 +0000 (GMT)

> The only device using the parallel port is plip. Plip works great normally
> though (well it's slow but seems to be working properly) the oops only happens
> when I play sounds in Alsa. But there doesn't appear to be an IRQ conflict or
> I/O port conflict according to /proc/*.

The trace can be misleading. Its quite possible for ALSA to scribble on
something causing a later trace that is well weird.

> I was wondering about this excerpt from 2.2.13, it doesn't seem to be
> described in Alan Cox's pre13 announcements, nor can I find any mention of a

It fixes the cli/sti status on shared interrupts with SA_INTERRUPT set. I
don't think it is relevant. Reverse it and see 8)

Alan

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