xiaojun wrote:
> Hi, I am new to rtnet, I want use rtnet in RTAI, I have two network cards in
> my computer, the realtime card is realtek rtl8169. when I got every thing
> ready and entered "./rtnet start", I got:
> =======================display start with out this line=================
> r...@xiaojun:/usr/local/rtnet/sbin# ./rtnet start
> rteth0: ERROR while getting interface flags: No such device
> rteth0-mac: ERROR while getting interface flags: No such device
> ioctl: No such device
> ./rtnet: 343: cannot open : No such file
> vnic0: ERROR while getting interface flags: No such device
> SIOCSIFADDR: No such device
> vnic0: ERROR while getting interface flags: No such device
> SIOCSIFNETMASK: No such device
> Waiting for all slaves...ioctl: No such device
> ioctl: No such device
> =======================display end==================================
> before rtnet start, rtai_hal.ko,rtai_lxrt.ko,rtai_sem.ko,rtai_rtdm.ko had
> been
> insmod, and non realtime drivers had been removed. part of rtnet.config is as
> follows:
> =======================display start==================================
> RT_DRIVER="rt_r8169"
> RT_DRIVER_OPTIONS="cards=0,1"
> # IP address and netmask of this station
> # The TDMA_CONFIG file overrides these parameters for masters and backup
> # masters. Leave blank if you do not use IP addresses or if this station is
> # intended to retrieve its IP from the master based on its MAC address.
> IPADDR="127.0.0.2"
> NETMASK="255.255.254.0"
>
> # Start realtime loopback device ("yes" or "no")
> RT_LOOPBACK="yes"
>
> # Start capturing interface ("yes" or "no")
> RTCAP="yes"
>
>
>
> # Common RTcfg stage 2 config data (master mode only)
> # The TDMA_CONFIG file overrides this parameter.
> STAGE_2_SRC=""
>
> # Stage 2 config data destination file (slave mode only)
> STAGE_2_DST=""
>
> # Command to be executed after stage 2 phase (slave mode only)
> STAGE_2_CMDS=""
>
>
>
> # TDMA mode of the station ("master" or "slave")
> # Start backup masters in slave mode, it will then be switched to master
> # mode automatically during startup.
> TDMA_MODE="master"
>
>
> # Master parameters
>
> # Simple setup: List of TDMA slaves
> TDMA_SLAVES="127.0.0.1"
>
> =======================display end==================================
>
> dmesg | tail shows :
> =======================display start==================================
> [ 2299.424195] *** RTnet 0.9.11 - built on Mar 11 2010 23:08:31 ***
> [ 2299.424196]
> [ 2299.424201] RTnet: initialising real-time networking
> [ 2299.436505] Initializing rt_r8169 driverinitializing loopback...Some messages were lost here - or the rt_r8169 had nothing to report as it found no hardware. > [ 2299.438559] RTnet: registered rtlo > [ 2299.441083] RTcap: real-time capturing interface > [ 2299.517454] RTcfg: init real-time configuration distribution protocol > [ 2299.523220] RTmac: init realtime media access control > [ 2299.528010] RTmac/TDMA: init time division multiple access control > mechanism > =======================display end================================== > > can any body help me with this problem, your help will be greatly appreciated. > Have you checked if the NIC you want to use with RTnet was properly released by Linux (e.g. by unloading the corresponding Linux driver)?. Jan
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