FS> Hello i have a little problem with my irq`s .
FS> Since i have quite a lot of hardware in my box there is some sharing. Now the
FS> problem is that my wintv card shares an irq with my GeForce and since it
FS> crashes my complete system after running xawtv or zapping as well as any
FS> other tv prog its obviously not wise that they share the irq with the grafix
FS> device =).
Most probably the irq conflict is causing this, you are right.
Especially the graphics card should stay alone, even though there are
lots of irq management systems (mean the ones in your board and OS).
FS> Now i dont know much at all about irq management if someone could tell me the
FS> comand to change an irq and which irq is free and available in my pc
FS> here is a cat /proc/interrupts :
Unfortunately there is no command that can change irqs, as long as
they asre not pnp etc. But even if they are, I never could get success
in this. Why ? Because IRQ's are managed by boards more strictly in
later systems.
FS> # cat /proc/interrupts
FS> CPU0
FS> 0: 567487 XT-PIC timer
FS> 1: 3092 XT-PIC keyboard
FS> 2: 0 XT-PIC cascade
IRQ 3 and 4 seems to be not used. These are the serial ports. If
you dont use any of them,or both, shut them off from your bios.
FS> 5: 0 XT-PIC es1371
You are very lucky your sound card uses irq 5 (I could not
manage that) Keep it like this.
FS> 7: 1 XT-PIC parport0
FS> 8: 1 XT-PIC rtc
FS> 10: 4323 XT-PIC usb-uhci, usb-uhci, eth0
If you are not using any usb devices, shut your usb controllers
from your bios. They dont screw things but it would be better.
FS> 11: 238652 XT-PIC bttv, nvidia
I guess your tv card is in slot 1 of your board. Usually in
boards the pci slot 1 and the agp slot share the same irq, so
change the place of it.
FS> 12: 90182 XT-PIC PS/2 Mouse
FS> 14: 54881 XT-PIC ide0
FS> 15: 7586 XT-PIC ide1
These are all fine. I guess 13 is also being used by something
related to CPU, so dont try to use 13. (most probably cant
either)
FS> NMI: 0
FS> ERR: 0
FS> All devices are listed exept my firewire card which i didnt load yet but if i
FS> remember right it would, if loaded, use irq 9 but i might be wrong about that.
Actually irq 9 is not as fine as irq 5,10,11 etc. but I did not
have any troubles using that.
Usually boards assign irqs to pci slots, that is like pci slot 3
can only use irq 9 and the irq of the pci slot 6 (something like
that). You can find info about this in your mobo's manual, though
you dont need to waste your time.
Simply, shut down the systms that you dont use, serial port,
parallel port, usb etc. After all that, try different combinations
of pci slots on your board, after a few tries you will realize how
to solve your trouble.
Good Luck
Onur Kucuk
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