On Tue, Nov 23, 2021 at 3:01 PM Kevin Traynor <ktray...@redhat.com> wrote:
>
> It seems that on slow system with high concurrency and cpu contention
> time/warp is not accurate enough for the ALB unit tests with the minimum
> time/warp that was used to hit an amount of events. This results in some
> intermittent test failures.
>
> As those tests are just waiting for a certain amount of events to occur
> and there is no functional change during that time let's do the time/warp
> again with higher values.
>
> With this no failures are seen in several hundred runs.
>
> Fixes: a83a406096e9 ("dpif-netdev: Sync PMD ALB state with user commands.")
> Reported-by: Ilya Maximets <i.maxim...@ovn.org>Fwiw, I managed to reproduce with below commands (test failed in 7 runs out of 10 on my laptop before patch). In separate terminals: $ taskset -c 3 sh -c 'while true; do true; done' $ taskset -c 3 make -C master check TESTSUITEFLAGS="-d 1026" > Signed-off-by: Kevin Traynor <ktray...@redhat.com> Reviewed-by: David Marchand <david.march...@redhat.com> I let the test run ~50 times, no issue with patch. -- David Marchand _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
