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* irq again
@ 2003-12-08 18:58 Jing Xu
  0 siblings, 0 replies; 2+ messages in thread
From: Jing Xu @ 2003-12-08 18:58 UTC (permalink / raw)
  To: linux-kernel

Hi, guys,

I have been stuct on this problem for a long time. Any
suggestion on this will be highly appreciated.

I'm running linux 2.4.20 and rtai 24.1.11. My linux
kernel module needs to use IRQ 9 10 11 for AGP graphic
card, sound card and PCI-Dio24 IO card. These irqs are
also shared by USB controllers. My module hangs when
it tries to request one of the above irqs that is used
by USB keyboard. 

I am using DELL machine, and its bios cannot reserve

I also tried to set boot paramter "pci=irqmask=0xf1ef"
to reserve irqs 9 10 11 4 for my driver, and it hasn't
had any effect - those irqs are still used by usb
controllers on initialization. 

How to solve this irq confliction problem?

Thanks in advance,


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2003-12-08 18:58 irq again Jing Xu
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2003-12-08 19:40 ` Len Brown

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