Subject: Re: AS1200 stray IRQ messages
To: NetBSD/alpha Discussion List <port-alpha@NetBSD.ORG>
From: Dave McGuire <mcguire@neurotica.com>
List: port-alpha
Date: 06/17/2004 17:46:09
On Jun 17, 2004, at 5:02 PM, Greg A. Woods wrote:
>> Subject: Re: AS1200 stray IRQ messages
>>
>> May be because the associated driver didn't claim the interrupt (e.g. 
>> the
>> kernel gets an IRQ 7 and the lpt driver says "it's not for me, I'm not
>> waiting for an interrupt)
>
> Which seems to show that there's a design flaw or bug of some sort in
> the lpt driver.
>
> IIUC the lpt hardware can and will generate asynchronous interrupts and
> the driver should be prepared to handle them.

   Howdy Greg.  Why would the LPT hardware generate asynchronous 
interrupts?  Things like the "paper out" signal?

        -Dave

--
Dave McGuire          "PC users only know two 'solutions'...
Cape Coral, FL          reboot and upgrade."    -Jonathan Patschke