Michael Smith wrote: > Hi > I'm trying to run a dual network setup (running two NICs) on one PC > where the one NIC is connected to a real-time RTNet network and the > other NIC is connected to a normal non real-time Ethernet network. > I'm running the RTNet side while trying to ping another network > connection on the non real-time side but it I can't seem to get any > response form the normal Ethernet side of things. It seems that RTNet: > > 1. Either disables the other NICs on the PC while it is active. > 2. Or takes up so much CPU resources that the other NIC is not able to > transmit. > > Only when I stop RTNet am I able to ping any other PC's on the normal > Ethernet side again. Is it possible to use RTNet alongside a normal > non real-time Ethernet connection, has anyone done it? Is there > anything I need to set in my configuration to get something like this > working?
IRQ conflict between the NICs? Check /proc/interrupts vs. /proc/xenomai/irq (sorry, RTAI people may help me with the related entry name), the RT-NIC IRQ must not be re-used by some Linux device. This is a general requirement of any mix RT / non-RT system: IRQ lines must be separated for a deterministic design, sharing is only feasible within each domain. Jan
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