Richard B. Johnson wrote:
>
> IRQ7 is usually connected to the parallel port. If there is no driver
> installed, that expects interrupts, you could end up with this
> annoying message because the printer status bits are all ORed into
> that IRQ line. You can disable this with software, though, and it
> might be a good idea.
>
> outb(0, BASE+2);
>
> ... where BASE is 0x278, 0x378, 0x3bc, etc.. the printer ports.
Hmmmm. I have a driver installed! I use a printer in my parallel port and i
need lp module is installed.
But... i am go to see if this message appears only on boot (before i load
the module) or appears all time...
> Also, a catch-all for confused interrupt controllers is IRQ7. Even
> without a parallel port, you can still get an occasional spurious
> interrupt. I think the kernel should have an interrupt handler for
> this interrupt that does nothing except ACK the interrupt and
> keep its mouth shut. The request_irq() procedure should ignore
> the fact that it is "in use", and let any driver have it without
> sharing it.
-- ____________ / Piter PUNK \_____________________________________________________ | | | | E-Mail: piterpk@terra.com.br (personal) | | .|. roberto.freires@gds-corp.com (professional) | | /V\ | | // \\ UIN: 116043354 Homepage: www.piterpunk.hpg.com.br | | /( )\ | | ^`~'^ ----> Slackware Linux - The Best One! <---- | | #105432 | `-------------------------------------------------------------------'- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Nov 30 2001 - 21:00:31 EST