Karl Reichert wrote: >>> Karl Reichert wrote: >>>> Hello, >>>> >>>> I'm trying to use RTnet 0.9.9 on Xenomai 2.3.1 with an Intel PRO/1000 >>> NIC. I did everything as described (mknod, ifconfig down, rmmod, right >>> module in rtnet.conf) but when I start RTnet via 'rtnet start', I get >> some >>> errors: >>>> stdout: Waiting for all slaves... >>>> >>>> stderr: /usr/local/rtnet/sbin/rtnet: 343: let: not found >>> Hmm, strange. Already tried to start with "rtnet -v" for more verbosity? >>> >> Strange, tried it again, now it said: >> stderr: >> /usr/local/rtnet/sbin/rtnet: 1: let: not found >> >> stdout: >> Turning on verbose mode >> /usr/local/rtnet/sbin/rtifconfig rtlo up 127.0.0.1 >> /usr/local/rtnet/sbin/rtcfg rteth0 server >> /usr/local/rtnet/sbin/rtifconfig rteth0 up 10.0.0.1 >> /usr/local/rtnet/sbin/tdmacfg rteth0 master 3000 >> /usr/local/rtnet/sbin/tdmacfg rteth0 slot 0 0 >> /usr/local/rtnet/sbin/rtcfg rteth0 add 10.0.0.2 -stage1 - >> Waiting for all slaves.../usr/local/rtnet/sbin/rtcfg rteth0 wait >> >>>> I also get periodic output: e1000: rteth0: e1000_clean_tx_irq: >> Detected >>> Tx Unit Hang >>> >>> What does /proc/xenomai/irq tell you? Any changes /wrt to the rt_e1000? >>> >> It says: >> IRQ CPU0 CPU1 >> 20: 46 0 rteth0 >> 213: 0 0 >> 216: 7931 45 [timer] >> 217: 0 0 >> 226: 8 0 [virtual] >> >>>> What's the problem here? I'm using bash and let is available. >>>> >>>> Thanks in advance >>>> >>>> Karl >>>> >>> Jan >>> >> Karl > I found the solution now: Ubuntu seems to use a different shell when > executing shell-scripts, not the bash. So, if you change the first line from > #!/bin/sh to #!/bin/bash, no more errors occur. > Only this one if left: > e1000: rteth0: e1000_clean_tx_irq: Detected Tx Unit Hang > > Any ideas to that? Could the reason be, that I don't have my card connected > to any cable nor network?! >
Two patches in one: the first one disables TX hang detection (Mathias, why do we
need the watchdog at all? For link startup?). The second one should make the
rtnet script bash-independent, please verify.
Does it work otherwise now?
Jan
Index: tools/rtnet.in
===================================================================
--- tools/rtnet.in (Revision 1118)
+++ tools/rtnet.in (Arbeitskopie)
@@ -139,7 +139,7 @@ start_master() {
for SLAVE in $TDMA_SLAVES; do
echo "\$TDMACFG rteth0 slot 0 $OFFSET;ifconfig vnic0 up \$IPADDR
\$NETMASK_OPT" | \
$RTCFG rteth0 add $SLAVE -stage1 - $STAGE_2_OPT
- let OFFSET=$OFFSET+$TDMA_OFFSET
+ OFFSET=$(($OFFSET+$TDMA_OFFSET))
done
else
# Get setup from TDMA_CONFIG file:
Index: drivers/e1000/e1000_main.c
===================================================================
--- drivers/e1000/e1000_main.c (Revision 1118)
+++ drivers/e1000/e1000_main.c (Arbeitskopie)
@@ -2330,9 +2330,6 @@ e1000_watchdog(unsigned long data)
/* Cause software interrupt to ensure rx ring is cleaned */
E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
- /* Force detection of hung controller every watchdog period */
- adapter->detect_tx_hung = TRUE;
-
/* With 82571 controllers, LAA may be overwritten due to controller
* reset from the other port. Set the appropriate LAA in RAR[0] */
if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present)
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