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From: Emiliano Gabrielli <Emiliano.Gabrielli@roma2.infn.it>
Organization: INFN
To: "Jeff Nguyen" <jeff@aslab.com>
Subject: Re: e7500 and IRQ assignment
Date: Wed, 27 Nov 2002 16:06:11 +0100
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On 20:49, luned? 25 novembre 2002, you wrote:
> You should try to disable ACPI in the kernel. That might fix the problem
> with the IRQ 0 assignment.
>

passed noacpi to kernel .. nothing changed

with aspi=force I had this:


[root@pn2 root]# cat /proc/interrupts
           CPU0       CPU1
  0:       1429      76989    IO-APIC-edge  timer
  1:          3          0    IO-APIC-edge  keyboard
  2:          0          0          XT-PIC  cascade
  8:          1          0    IO-APIC-edge  rtc
  9:          0          0    IO-APIC-edge  acpi
 12:          0          0    IO-APIC-edge  PS/2 Mouse
 14:        597       1861    IO-APIC-edge  ide0
 15:          2          0    IO-APIC-edge  ide1
 17:         49        105   IO-APIC-level  eth0
NMI:          0          0
LOC:      78333      78332
ERR:          0
MIS:          0
[root@pn2 root]# lspci -vv -s 05:0c.0 -x -b
05:0c.0 Non-VGA unclassified device: Altera Corporation: Unknown device 0005 
(rev 02)
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV+ VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
        Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin A routed to IRQ 255
        Region 0: Memory at fc300000 (32-bit, non-prefetchable)
00: 72 11 05 00 13 01 20 04 02 00 00 00 08 40 00 00
10: 00 00 30 fc 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 01 00 00

It seem the BIOS cannot succesfully write in the interrupt line register

just an opinion: is a problem of my own device or a MB bug ?!?!

-- 
Emiliano Gabrielli

dip. di Fisica
2? Universit? di Roma "Tor Vergata"

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