Hi,
I check the kernel archive and found reference to the PCI interrupt clash
between the 2940 (aic7xxx) and other cards. I also have the problem and it
can lock up my entire machine.
The problem really rears its head when I overclock my box (BX400 dual PIII
450 MHZ) by as little as 10% (504 MHz, 112 MHZ bus). Both my soundblaster
live and my onboard AIC7891 are assigned IRQ 19. My PCI slots are full
(ethernet, 1394 card, soundblaster live, tv card, and Matrox G400). I
enclose the win2k interrupt allocation for your perusal and comment (it's
weird!)
Current kernel version is 2.4.17 but the problem has been evident since
2.4.5 (at least). The 2.2 series does not exhibit the problem.
System Information report written at: 08/01/2002 08:44:11 PM
[IRQs]
IRQ Number Device
5 Sound Blaster 16 or AWE32 or compatible (WDM)
128 Matrox Millennium G400 DualHead MAX
14 Primary IDE Channel
15 Secondary IDE Channel
11 Intel 82371AB/EB PCI to USB Universal Host Controller
36 Adaptec AHA-2940U2/U2W PCI SCSI Controller
52 Realtek RTL8139/810X Family PCI Fast Ethernet NIC
56 Hauppauge Win/TV 878/9 VFW Video Driver
56 Hauppauge Win/TV 878/9 VFW Audio Driver
60 Creative SB Live! Value (WDM)
64 Texas Instruments OHCI Compliant IEEE 1394 Host Controller
1 PC/AT Enhanced PS/2 Keyboard (101/102-Key)
4 Communications Port (COM1)
3 Communications Port (COM2)
6 Standard floppy disk controller
8 System CMOS/real time clock
13 Numeric data processor
12 Other Logitech Mouse PS/2
I hope someone can shed some light on the very high (>20) interrupt
numbers. I'd really like and will help to get to the bottom of the problem.
Regards,
Glenn
On Tue, 2002-01-08 at 03:46, Glenn Geers wrote:
> enclose the win2k interrupt allocation for your perusal and comment (it's
> weird!)
...
> System Information report written at: 08/01/2002 08:44:11 PM
> [IRQs]
>
> IRQ Number Device
> 5 Sound Blaster 16 or AWE32 or compatible (WDM)
> 128 Matrox Millennium G400 DualHead MAX
> 14 Primary IDE Channel
> 15 Secondary IDE Channel
> 11 Intel 82371AB/EB PCI to USB Universal Host Controller
> 36 Adaptec AHA-2940U2/U2W PCI SCSI Controller
> 52 Realtek RTL8139/810X Family PCI Fast Ethernet NIC
> 56 Hauppauge Win/TV 878/9 VFW Video Driver
> 56 Hauppauge Win/TV 878/9 VFW Audio Driver
> 60 Creative SB Live! Value (WDM)
> 64 Texas Instruments OHCI Compliant IEEE 1394 Host Controller
> 1 PC/AT Enhanced PS/2 Keyboard (101/102-Key)
> 4 Communications Port (COM1)
> 3 Communications Port (COM2)
> 6 Standard floppy disk controller
> 8 System CMOS/real time clock
> 13 Numeric data processor
> 12 Other Logitech Mouse PS/2
>
> I hope someone can shed some light on the very high (>20) interrupt
> numbers. I'd really like and will help to get to the bottom of the problem.
Win2k with the ACPI HAL will reroute IRQ's to 256 "virtual" IRQ's, hence
the high numbers.
What happens if you twiddle ACPI/PnP OS in the BIOS?
And do you really expect a PCI bus overclocked past 37MHz to survive
with 5 PCI cards? You get 40 lashes with a wet noodle >:-(
Regards,
Reid