function net_init_failed() {
echo
echo $(date "+%H:%M:%S") " pl_netinit: network initialization failed,"
+ echo
+ echo For forensics
+ echo
+ echo ========== lspci beg
+ /sbin/lspci -n | /bin/grep "Class 0200"
+ echo ========== lspci end
+ echo
+ echo ========== ifconfig beg
+ /sbin/ifconfig
+ echo ========== ifconfig end
+ echo
echo $(date "+%H:%M:%S") " pl_netinit: shutting down machine in two hours"
/bin/sleep 2h
/sbin/shutdown -h now
fi
# within a systemd-driven startup, we often see this stage
-# triggered before the network is actually up
+# triggered before the network interface is actually exposed
+# by udev/kernel
# although of course we have network-online.target
# as a requirement; go figure what systemd actually does..
# in any case, let us try to work around that by allowing some delay
# here
-TIMEOUT=30
+ALLOW=5
+COUNTER=0
while true; do
if /sbin/ifconfig $ETH_DEVICE >& /dev/null; then
- echo Device $ETH_DEVICE found - proceeding - timeout=$TIMEOUT
+ echo "pl_netinit: device present $ETH_DEVICE, proceeding (${COUNTER}s/${ALLOW}s)"
break
fi
- echo $(date "+%H:%M:%S") " pl_netinit: waiting for device $ETH_DEVICE, ${TIMEOUT}s remaining "
- TIMEOUT=$(($TIMEOUT-1))
- [ $TIMEOUT -le 0 ] && net_init_failed
+ echo $(date "+%H:%M:%S") " pl_netinit: waiting for device $ETH_DEVICE,${COUNTER}s/${ALLOW}s"
+ COUNTER=$(($COUNTER+1))
+ [ $COUNTER -ge $ALLOW ] && net_init_failed
sleep 1
done
echo $(date "+%H:%M:%S") " pl_netinit: this CD does not have hardware support for your"
echo $(date "+%H:%M:%S") " pl_netinit: network adapter. please send the following lines"
echo $(date "+%H:%M:%S") " pl_netinit: to your PlanetLab support for further assistance"
- echo ========== lspci beg
- /sbin/lspci -n | /bin/grep "Class 0200"
- echo ========== lspci end
- echo ========== ifconfig beg
- /sbin/ifconfig
- echo ========== ifconfig beg
-
net_init_failed
}