Re: e7500 and IRQ assignment

From: Emiliano Gabrielli (Emiliano.Gabrielli@roma2.infn.it)
Date: Wed Nov 27 2002 - 10:06:11 EST

On 20:49, lunedì 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° Università di Roma "Tor Vergata"

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