PCI: No IRQ known ...

From: Pierfrancesco Caci (ik5pvx@penny.ik5pvx.ampr.org)
Date: Sun Apr 16 2000 - 05:51:34 EST

I've never noticed this bootup message before, what does it mean?

PCI: No IRQ known for interrupt pin A of device 01:00.0. Please try using pci=biosirq

the affected device is:

lspci -vvs 01:00.0
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) (prog-if 00 [VGA])
        Subsystem: Matrox Graphics, Inc. Millennium G400 Dual Head Max
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 16 min, 32 max, 64 set, cache line size 08
        Interrupt: pin A routed to IRQ 0
        Region 0: Memory at e8000000 (32-bit, prefetchable) [size=32M]
        Region 1: Memory at e4000000 (32-bit, non-prefetchable) [size=16K]
        Region 2: Memory at e5000000 (32-bit, non-prefetchable) [size=8M]
        Expansion ROM at <unassigned> [disabled] [size=64K]
        Capabilities: [dc] Power Management version 2
                Flags: PMEClk- AuxPwr- DSI+ D1- D2- PME-
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [f0] AGP version 2.0
                Status: RQ=31 SBA+ 64bit- FW- Rate=21
                Command: RQ=31 SBA+ AGP+ 64bit- FW- Rate=1

Pf 

-- 

-------------------------------------------------------------------------------
 Pierfrancesco Caci  |   mailto:p.caci@flashnet.it - http://gusp.infogroup.it
  ik5pvx - Firenze   | Office for the Complication of Otherwise Simple Affairs 
     Linux penny 2.3.99-pre5 #1 Fri Apr 14 19:54:12 CEST 2000 i686 unknown

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