Re: v2399p6: IRQ conflict

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Thu Apr 27 2000 - 02:53:16 EST


Hi!

Yes, the same happens to me as well, and I'm pretty sure there isn't
anyhting using my irq 5 (I have the parport set to irq 5) ...

Anyone know why?

Vojtech

On Thu, Apr 27, 2000 at 08:37:39AM +0200, Meino Christian Cramer wrote:
> Hi!
>
> While booting, I got this in my boot.log/dmesg putput:
>
> Linux version 2.3.99-pre6 (root@solfire) (gcc version 2.95.2 19991024 (release)) #2 Thu Apr 27 07:28:45 CEST 2000
> (...)
> Freeing unused kernel memory: 196k freed
> 0x378: FIFO is 16 bytes
> 0x378: writeIntrThreshold is 8
> 0x378: readIntrThreshold is 8
> 0x378: PWord is 8 bits
> 0x378: Interrupts are ISA-Pulses
> 0x378: possible IRQ conflict! <<<<<<<<!!!!!!
> 0x378: ECP port cfgA=0x10 cfgB=0x00
> 0x378: ECP settings irq=<none or set by other means> dma=<none or set by other means>
> parport0: PC-style at 0x378 (0x778), irq 7, dma 1 [PCSPP,TRISTATE,ECP,DMA]
> parport0: cpp_daisy: aa5500ff(08)
> parport0: assign_addrs: aa5500ff(08)
> parport0: cpp_daisy: aa5500ff(08)
> parport0: assign_addrs: aa5500ff(08)
> parport_pc: Via 686A parallel port: io=0x378, irq=7, dma=1
> lp0: using parport0 (interrupt-driven).
> Adding Swap: 65008k swap-space (priority -1)
>
>
> I checked my ISA-soundcard, which also occupies two IRQs and DMA-channels,
> but those are: IRQ:11 DMA:5,6
>
> /proc/sys/dev/parport/parport0/hardware displays:
>
> base: 0x378 (0x778)
> irq: 7
> dma: 1
> modes: PCSPP,TRISTATE,ECP,DMA
>
> What is happening here?
>
> How can I check for that IRQ-conflict mentioned above, whether ist really
> exists or only is some hickup of confused hardware???
>
> Thanks for any hint!
>
>
>
> KEEP HACKING!
> Meino
>
> --
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-- 
Vojtech Pavlik
SuSE Labs

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