Stuart O Anderson wrote:
I'm now able to get the driver running for all 8 interfaces, according to dmesg. I can bring up the first few interfaces and ping devices attaches to them successfully after setting up routing, but eventually dmesg starts telling me the following:[76631.886445] e1000: rteth5: e1000_setup_rx_resources: Unable to allocate memory for the receive descriptor ring [76631.886553] e1000: rteth5: e1000_setup_all_rx_resources: Allocation for Rx Queue 0 failed [76619.534006] e1000: rteth6: e1000_setup_rx_resources: Unable to allocate memory for the receive descriptor ring [76619.534111] e1000: rteth6: e1000_setup_all_rx_resources: Allocation for Rx Queue 0 failed I'm afraid I don't understand xenomai/rtnet/kernel stuff well enough to be sure what memory I've run out of or how to make more of it available.
Please check if the IRQ counters for rteth5/6 increase (/proc/xenomai/irq). If not, TX buffers may run short quickly as the hardware is unable to report them as released again toward the RTnet core.
Jan
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