Re: spurious IRQ complaints

From: John Cavan (
Date: Sat Jan 27 2001 - 10:13:43 EST

David Ford wrote:
> PCI: No IRQ known for interrupt pin A of device 01:00.0. Please try
> using pci=biosirq.
> 01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 RF
> (prog-if 00 [VGA])
> Subsystem: ATI Technologies Inc: Unknown device 0008
> Flags: bus master, stepping, 66Mhz, medium devsel, latency 64
> Memory at e4000000 (32-bit, prefetchable) [size=64M]
> I/O ports at d000 [size=256]
> Memory at e9000000 (32-bit, non-prefetchable) [size=16K]
> Expansion ROM at e8000000 [disabled] [size=128K]
> Capabilities: [50] AGP version 2.0
> Capabilities: [5c] Power Management version 1
> Does it really need one?

DRI versions of X seem to behave better if an IRQ is assigned to the VGA
device via the BIOS. Didn't seem like a problem to let it have one, so I
did. :o)

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