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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