[Openstack] Randomly rebooting instances go in kernel panic

Jay Pipes jaypipes at gmail.com
Thu Oct 30 13:26:06 UTC 2014

On 10/30/2014 08:41 AM, Fabrizio Soppelsa wrote:
> Do you have suggestions on how to further troubleshoot such an issue?
> [1]
> Oct 27 13:08:46 lc-20 kernel: ctx4008000f: no IPv6 routers present
> Oct 27 13:10:03 lc-20 kernel: tipc: Resetting link
> <1.1.20:ethSw0-1.1.10:ethSw0>, peer not responding
> Oct 27 13:10:03 lc-20 kernel: tipc: Lost link
> <1.1.20:ethSw0-1.1.10:ethSw0> on network plane A
> Oct 27 13:10:03 lc-20 kernel: tipc: Lost contact with <1.1.10>
> Oct 27 13:10:14 lc-20 kernel: tipc: Established link

Hi! Seems to me that there is some communication issues on the ethSw0 
interface. Probably worth checking that networking is reliable over that 

Additionally, you may want to check with a TIPC expert for whichever 
vendor is supplying your kernel (is this Windriver VxWorks?)


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