On Thu, Aug 4, 2016 at 12:56 PM, Andy Zhou <az...@ovn.org> wrote: > > > 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.
I'm fine with that approach as well, I can spin another patch. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
