[ale] interrupts in linux??

Geoffrey esoteric at 3times25.net
Sat Dec 28 20:36:59 EST 2002


Yes you can, but it depends a lot on the devices themselves and their 
associated drivers.

I don't know that I'd want to have my nic, sound and vga on the same 
irq, that would seem to be getting a bit crowded.

So, are you seeing any problems?

Christopher Bergeron wrote:
> Can any hardware guru's tell me if it's okay to share an interrupt in 
> linux?  I remember back in the DOS/Win days that you couldn't have a 
> device on the same interrupt (serial ports, etc)...  but that was back 
> before PCI, PNP, etc...  I've got 3 devices on the same interrupt as 
> follows:
> [root at proto1 root]$ lspci -v
> 
> (edited for brevity)
> 
> 00:0d.0 Network controller: Harris Semiconductor Prism 2.5 Wavelan 
> chipset (rev 01)
>        Subsystem: Unknown device 1737:3874
>        Flags: bus master, medium devsel, latency 32, IRQ 11
>        Memory at d8008000 (32-bit, prefetchable) [size=4K]
>        Capabilities: [dc] Power Management version 2
> 
> 00:11.0 Multimedia audio controller: Yamaha Corporation YMF-744B [DS-1S 
> Audio Controller] (rev 02)
>        Subsystem: Yamaha Corporation DS-XG PCI Audio CODEC
>        Flags: bus master, medium devsel, latency 32, IRQ 11
>        Memory at d8000000 (32-bit, non-prefetchable) [size=32K]
>        I/O ports at d000 [size=64]
>        I/O ports at d400 [size=4]
>        Capabilities: [50] Power Management version 1
> 
> 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP 
> (rev 04) (prog-if 00 [VGA])
>        Subsystem: Matrox Graphics, Inc. Millennium G400 MAX/Dual Head 32Mb
>        Flags: bus master, medium devsel, latency 32, IRQ 11
>        Memory at d2000000 (32-bit, prefetchable) [size=32M]
>        Memory at d4000000 (32-bit, non-prefetchable) [size=16K]
>        Memory at d5000000 (32-bit, non-prefetchable) [size=8M]
>        Expansion ROM at <unassigned> [disabled] [size=64K]
>        Capabilities: [dc] Power Management version 2
>        Capabilities: [f0] AGP version 2.0
> 
> 
> Is this okay?  Or do I have a problem here? 
> Thanks in advance for replies...
> -CB
> 
> 
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://www.ale.org/mailman/listinfo/ale
> 
> 

-- 
Until later: Geoffrey		esoteric at 3times25.net

The latest, most widespread virus?  Microsoft end user agreement.
Think about it...

_______________________________________________
Ale mailing list
Ale at ale.org
http://www.ale.org/mailman/listinfo/ale






More information about the Ale mailing list