On 08/09/2017 04:45 AM, Sam wrote: > Then I change commd into `awk '/ACTIVE/' stdout | head -4`, it failed > again, log is : > > ./netdev-dpdk.at:28: awk '/ACTIVE/' stdout | head -4 >> --- - 2017-08-09 17:41:24.809066088 +0800 >> +++ /home/gangyewei-3/mvs/mvs/tests/testsuite.dir/at-groups/789/stdout >> 2017-08-09 17:41:24.807150522 +0800 >> @@ -1,5 +1,5 @@ >> -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> - partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> - partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> + partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING >> + partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING Could this be a difference in line endings between what your .at file used and what stdout contains (which in turn is what line endings ovs-appctl outputs)? -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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