Re: Spurious 8259A interrupt: IRQ7 ????

Herman Oosthuysen (Herman@WirelessNetworksInc.com)
Thu, 23 Jan 2003 16:56:16 -0700


A glitch on any interrupt line, will cause IRQ7 to trigger on the 8259A.
It is a documented 'feature' and is not really useful, but software
has to handle it gracefully.

Zsolt Babak wrote:
>>i get it on my thinkpad 560e when using a linksys ne2k pcmcia card. i only
>>get the message once, and it's triggered after a few seconds of high
>>throughput (fast, fd).
>>
>
> Same here with an Acer TravelMate laptop, with an smc pcmcia network card. The
> message occures only once at high network load. But the system is quite
> stable, so I didn't bother to track this down...
>
> Oh, and the laptop is based on Ali, not on VIA chips.
>
> Zsolt.

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