Subject: Re: Weird panic: "intr_establish: irq 0 can't share LEVEL with PULSE"
To: Rafal Boni <rafal@mediaone.net>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 01/15/2001 22:39:34
On Mon, Jan 15, 2001 at 01:02:11PM -0500, Rafal Boni wrote:
> My main machine had a fainting spell the other day... It kept falling over
> at bootup with the above panic (transcribed from memory, so it's probably
> a little off... The relevant parts should be correct, though).
> 
> This same kernel had been running on the box without problems, and while
> this was happening, the previous saved kernel also panic'ed in the same 
> fashion.  As soon as I rebooted with a serial console attached, the kernel
> came up A-OK (damn you, Murphy!).
> 
> This panic happened right after the "biomask ..., ttymask ... " line was
> spit up by the kernel.  The trace looked something like:
> 
> 	[...stuff I don't remember...]
> 	initclocks()
> 	cpu_initclocks()
> 	isa_intr_establish()
> 
> I understand where this panic comes from, but I'm wondering how I got another
> device that claimed IRQ 0 (from the fact it was LEVEL, I'm guessing it was a
> PCI device that somehow registered the wrong IRQ?).

Or a PCMCIA device, given when the panic occurs.

--
Manuel Bouyer <bouyer@antioche.eu.org>
--