Tuan Minh Nguyen wrote:
> Hi all,
>
> I am newbee to RTnet trying to install it on Ubuntu 8.0.4 mit kernel 2.6.23
> und RTAI 3.6
> After doing all steps described on the website www.rtnet.org i executed the
> following scripts:
>
> 1. load_rtai:
>
> #!/bin/sh
> MOD_DIR=/usr/realtime/modules
>
> sync
> # make -f /usr/src/rtai/GNUmakefile dev
> insmod ${MOD_DIR}/rtai_hal.ko
> insmod ${MOD_DIR}/rtai_sched.ko
> insmod ${MOD_DIR}/rtai_fifos.ko
> insmod ${MOD_DIR}/rtai_sem.ko
> insmod ${MOD_DIR}/rtai_mbx.ko
> insmod ${MOD_DIR}/rtai_msg.ko
> insmod ${MOD_DIR}/rtai_netrpc.ko ThisNode="127.0.0.1"
> insmod ${MOD_DIR}/rtai_math.ko
> insmod /usr/realtime/modules/rtai_rtdm.ko
> sync
>
> 2. loadRTnet
> #!/bin/sh
>
>
> MOD_DIR=/usr/local/rtnet/modules
>
> sync
> mknod /dev/rtnet c 10 240
> insmod /usr/realtime/modules/rtai_rtdm.ko
> insmod ${MOD_DIR}/rtnet.ko
> insmod ${MOD_DIR}/rtipv4.ko
> insmod ${MOD_DIR}/rtpacket.ko
> insmod ${MOD_DIR}/rt_loopback.ko
> insmod ${MOD_DIR}/rt_8139too.ko
> insmod ${MOD_DIR}/rtcap.ko
> /usr/local/rtnet/sbin/rtifconfig rtlo up 127.0.0.1
> /usr/local/rtnet/sbin/rtifconfig rteth0 up 10.2.12.149
> /usr/local/rtnet/sbin/rtroute add 10.2.12.150 00:04:50:48:3B:47 dev rteth0
> sync
>
> But my computer automatically restart by executing
> /usr/local/rtnet/sbin/rtifconfig rteth0 up 10.2.12.149You probably face an IRQ conflict between the rteth0 NIC and some Linux device. Check /proc/interrupts when that NIC is still under Linux control if there are several devices using the same IRQ line. That won't work under realtime constraints. Either disable the conflicting Linux device or check if you can otherwise change the IRQ assignment (via BIOS or by flipping PCI cards in their slots). Jan
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