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LIN6-8472 : [cav-octeon3] No network after exception trigged board reboot

Created: Sep 25, 2014    Updated: Dec 3, 2018
Resolved Date: Dec 4, 2014
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: BSP - Async


No network after exception trigged board reboot. 
dhclient also can't got ip address, eth0 will auto down.
root@localhost:~# dhclient eth0

PING ( 56(84) bytes of data.

--- ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms

root@localhost:~# kmemleak: 2055 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

Steps to Reproduce

1) configure --enable-board=cav-octeon3 --enable-kernel=preempt-rt --enable-rootfs=glibc-std --enable-test=yes --with-layer=/wr-testing/kts-test,/wr-testing/bts-new,/wr-testing/ltp --with-template=feature/kts-basic,feature/kts-extended,feature/kts-rt,feature/bts --enable-parallel-pkgbuilds=16 --enable-jobs=16
2) make all
3) deploy images and boot target. 
4) modprobe octeon-wdt
5) echo 1 > /dev/watchdog
wait boot reboot.

While board bootup, check network status.

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