Re: veths often slow to come up

2015-08-06 Thread Shaun Crampton
Take a look at linkwatch_urgent_event at net/core/link_watch.c, and all of link_watch.c in general. That's where the 1s delay comes from. Thanks for the diagnosis, I¹ll take a look. -Shaun -- To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to

Re: veths often slow to come up

2015-08-05 Thread Thadeu Lima de Souza Cascardo
On Tue, Aug 04, 2015 at 08:26:28PM -0700, Cong Wang wrote: (Cc'ing netdev for network issues) On Tue, Aug 4, 2015 at 6:42 AM, Shaun Crampton shaun.cramp...@metaswitch.com wrote: Please CC me on any responses, thanks. Setting both ends of a veth to be oper UP completes very quickly but I

Re: veths often slow to come up

2015-08-04 Thread Cong Wang
(Cc'ing netdev for network issues) On Tue, Aug 4, 2015 at 6:42 AM, Shaun Crampton shaun.cramp...@metaswitch.com wrote: Please CC me on any responses, thanks. Setting both ends of a veth to be oper UP completes very quickly but I find that pings only start flowing over the veth after about a