Hi Anand, I am still seeing the issue after i applied the patch. The moment the script writes rps_cpu value , vhost0 loses connectivity.
Regards, Pramod.V On Mon, Oct 26, 2015 at 3:38 PM, pramod v <[email protected]> wrote: > Hi Anand, > > We are currently using Contrail v2.1 on 3.13.0-65 on virtualbox, whereas > on BM we are using v2.1 on 3.13.0-63 (here it works fine, without the > necessary patch) > > I will apply the patch and let you know in virtualbox. > > Regards, > Pramod.V > > On Mon, Oct 26, 2015 at 3:17 PM, Anand H Krishnan <[email protected]> > wrote: > >> Which contrail version are you using? >> >> >> There is a known issue in ubuntu with kernels equal to above 3.13.0-63. >> You >> >> can look at >> >> >> >> https://github.com/Juniper/contrail-packaging/commit/c26b0a9d1ad46186a28c6b60ae1b2efd42a6040d >> >> <https://github.com/Juniper/contrail-packaging/commit/c26b0a9d1ad46186a28c6b60ae1b2efd42a6040d> >> Explicitly bring up the interfaces used for RPS/GRO ยท >> Juniper/contrail-packaging@c26b0a9 >> In the ubuntu version of 3.13.0 (-63, onwards), packets are dropped by >> the kernel if the incoming interface is not up (a possibility with virtual >> interfaces). So, explicitly bring those interfaces ... >> Read more... >> <https://github.com/Juniper/contrail-packaging/commit/c26b0a9d1ad46186a28c6b60ae1b2efd42a6040d> >> >> >> >> Thanks, >> >> Anand >> >> >> ------------------------------ >> *From:* Dev <[email protected]> on behalf of pramod v < >> [email protected]> >> *Sent:* Monday, October 26, 2015 11:24 AM >> *To:* [email protected] >> *Subject:* [opencontrail-dev] Issues in Host connectivity when running >> contrail vrouter on virtualbox >> >> Hi All, >> >> We are running a contrail setup using vagrant with virtualbox as the >> hypervisor. >> >> In a compute node running contrail vrouter , we see the node losing host >> connectivity after vrouter kernal module is inserted and the vhost0 is up. >> >> We use the script if-vhost0 , which calls vrouter-functions.sh to insert >> the vrouter kernal module and configure pkt1 and pkt2 interfaces. >> >> After debugging we found that the issue is caused when the >> vrouter-functions.sh changes the rps settings in pkt2 queues. >> >> We see this behaviour only in virtualbox. Is this a known issue , also >> what is the impact if we disable setting of rps in pkt2 >> >> Regards, >> >> Pramod.V >> Manager, >> Reliance Jio Infocomm Ltd >> >> > > > > -- > Pramod.V > Manager, > Reliance Jio Infocomm Ltd > > -- Pramod.V Manager, Reliance Jio Infocomm Ltd
_______________________________________________ Dev mailing list [email protected] http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org
