On Thu, Aug 4, 2016 at 6:54 AM, Kyle Mestery <mest...@mestery.com> wrote:
> While running the ovn-scale-test [1] port-binding tests [2], I notice a > continual stream of messages such as this: > > 2016-08-04 13:05:28.705 547 INFO rally_ovs.plugins.ovs.scenarios.ovn [-] > bind lport_0996bf_cikzNO to sandbox-172.16.200.24 on > ovn-farm-node-uat-dal09-compute-325 > 2016-08-04 13:05:28.712 547 INFO paramiko.transport [-] Connected (version > 2.0, client OpenSSH_6.6.1p1) > 2016-08-04 13:05:28.805 547 INFO paramiko.transport [-] Authentication > (publickey) successful! > 2016-08-04T13:05:28Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04 13:05:29.042 547 INFO rally_ovs.plugins.ovs.scenarios.ovn [-] > bind lport_0996bf_tvovcK to sandbox-172.16.200.24 on > ovn-farm-node-uat-dal09-compute-325 > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04 13:05:29.285 547 INFO rally_ovs.plugins.ovs.scenarios.ovn [-] > bind lport_0996bf_HwG7AK to sandbox-172.16.200.24 on > ovn-farm-node-uat-dal09-compute-325 > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04 13:05:29.505 547 INFO rally_ovs.plugins.ovs.scenarios.ovn [-] > bind lport_0996bf_Lqbv92 to sandbox-172.16.200.24 on > ovn-farm-node-uat-dal09-compute-325 > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04 13:05:29.724 547 INFO rally_ovs.plugins.ovs.scenarios.ovn [-] > bind lport_0996bf_6f8uQW to sandbox-172.16.200.24 on > ovn-farm-node-uat-dal09-compute-325 > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04T13:05:29Z|00002|vsctl|WARN|/proc/0/cmdline: open failed (No > such file or directory) > 2016-08-04 13:05:29.944 547 INFO rally_ovs.plugins.ovs.scenarios.ovn [-] > bind lport_0996bf_nKl2XF to sandbox-172.16.200.24 on > ovn-farm-node-uat-dal09-compute-325 > > Tracing these down, this is due to the check in > vsctl_parent_process_info(), > which is verifying if the parent process can be opened. Since > ovn-scale-test > runs sandboxes in containers, and these are run as root, there is no > /proc/0 > in the container. Thus, the check fails, and the error message is printed > out. > Lowering the log level here results in less logs being dumped for this > failure > as ovn-scale-test runs. > > [1] https://github.com/openvswitch/ovn-scale-test > [2] https://github.com/openvswitch/ovn-scale-test/ > blob/master/rally_ovs/plugins/ovs/scenarios/ovn.py#L255 > > Signed-off-by: Kyle Mestery <mest...@mestery.com> > --- > utilities/ovs-vsctl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/utilities/ovs-vsctl.c b/utilities/ovs-vsctl.c > index 722dcd9..56f1906 100644 > --- a/utilities/ovs-vsctl.c > +++ b/utilities/ovs-vsctl.c > @@ -2483,7 +2483,7 @@ vsctl_parent_process_info(void) > > f = fopen(procfile, "r"); > if (!f) { > - VLOG_WARN("%s: open failed (%s)", procfile, ovs_strerror(errno)); > + VLOG_DBG("%s: open failed (%s)", procfile, ovs_strerror(errno)); > free(procfile); > return NULL; > } > -- > 2.7.4 (Apple Git-66) > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev > I wonder if we should log it at all if not being able to proc file can be expected in real life. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
