[PLUG] IRQ conflict

Derek Loree drl at drloree.com
Sun Aug 24 12:47:02 UTC 2003


On Sat, 2003-08-23 at 23:35, Phil Tomson wrote:
> Lately I've been noticing slow connection speeds (I still have a dial-up 
> connection) AND slow connections on my internal network.
> 
> I looked at /proc/pci and noticed that both the modem and ethernet on the 
> machine that dials in and does IP masquerading were both on IRQ 11.  This 
> seems to be a problem, and I suspect it is the source of the slow 
> connections and network problems.  So how can I force one or the other of 
> them to use a different IRQ?  (the ethernet controller is on the 
> motherboard of this machine, but the modem is a USR PCI card)
> 
> ...OR is this the problem, can the IRQ be shared between them peacefully?

Some cards can't handle being shared, try changing slots, it can't hurt.

Good Luck,

Derek Loree






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