Jan - I think I was unclear in my last message. I cannot bring up the rteth5 and rteth6 interfaces:
./rtifconfig rteth5 up 192.168.5.100 netmask 255.255.255.0 ioctl: Cannot allocate memory and dmesg shows: [148286.298130] e1000: rteth5: e1000_setup_rx_resources: Unable to allocate memory for the receive descriptor ring [148286.298235] e1000: rteth5: e1000_setup_all_rx_resources: Allocation for Rx Queue 0 failed Because the interfaces never get brought up in the first place, they do not show up in the xenomai/irq: cat /proc/xenomai/irq IRQ CPU0 CPU1 29: 33 36467 rteth2 30: 0 36473 rteth3 31: 0 78157 rteth0 32: 0 36471 rteth4 1285: 17191 22 [IPI] 1288: 149585668 149554999 [timer] 1289: 0 0 [critical sync] 1346: 138900 1103 [virtual] Stuart On Tue, Aug 12, 2008 at 5:52 PM, Jan Kiszka <[EMAIL PROTECTED]> wrote: > 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 > > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
