[lug] Spurious 8259A interrupt: IRQ7, then hang

[John Karns]

On Mon, 2 Dec 2002, Andrew Gilmore said:

> I've googled a bit for this one, but come up empty so far.
> If anyone has any ideas, that'd be great.
>
> This is my first seriously misbehaving system under Linux, and I'm a bit
> annoyed.
>
> Symptoms:
>
> ssh session over ethernet hangs after a few CRs.
> Console immediately says:
> Spurious 8259A interrupt: IRQ7
> then about once a second or two:
> (without DMA enabled)
> hda: lost interrupt
> (with DMA enabled)
> idedma some error message about only supporting lostirq function 13
> hda: lost interrupt

Have you checked for shared IRQ's on the system?  In many cases Linux
doesn't function well when IRQ's are shared between devices.

----------------------------------------------------------------
John Karns                                        jkarns at csd.net