> > -----Original Message-----
> > From: dev <[email protected]> On Behalf Of Kumar Amber
> > Sent: Wednesday 9 February 2022 09:50
> > To: [email protected]
> > Cc: Amber, Kumar <[email protected]>; [email protected]
> > Subject: [ovs-dev] [PATCH v3] system-dpdk.at: Add warning log in mfex fuzzy
> test.
> >
> > Some specific warning are seen on various systems
> > which may not be visible on others but good to add
> > such logs to test to avoid test-case failure.
> >
> > Thw warning only effects the fuzzy tests due to
> > more than 1000+ flows being offloading simultanously.
> >
> > Wilcarding flow count number as for different systems
> > under test the number could vary in the warning log.
> >
> > Suggested-by: Eelco Chaudron <[email protected]>
> > Signed-off-by: Kumar Amber <[email protected]>
> >
> 
> I didn't see the issue that this patch fixes initially. However, if I make 
> the below
> change, I can see the error during the test.
> 
> Change:
> diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at
> index 9384cf7f0..165b68f0e 100644
> --- a/tests/system-dpdk.at
> +++ b/tests/system-dpdk.at
> @@ -256,6 +256,8 @@ AT_KEYWORDS([dpdk])
>  AT_SKIP_IF([! $PYTHON3 -c "import scapy"], [], [])
>  AT_CHECK([$PYTHON3 $srcdir/mfex_fuzzy.py $srcdir], [], [stdout])
>  OVS_DPDK_START()
> +AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . other_config:flow-
> limit=13500])
> +
> 
>  dnl Add userspace bridge and attach it to OVS
>  AT_CHECK([ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev])
> 
> Error:
> > 2022-02-10T09:42:11.350Z|00006|ofproto_dpif_upcall(pmd-
> c21/id:101)|WARN|upcall: datapath reached the dynamic limit of 13500 flows.
> 
> Which causes a fail:
> 7. system-dpdk.at:254:  FAILED (system-dpdk.at:280)
> 
> Applying this patch while keeping the above diff to generate the flow limit 
> error
> results in the test passing. I can see the "reached the dynamic limit" 
> warning in
> the ovs-vswitchd.log but it doesn't cause a test failure.
> 
> Finding the value of "13500" as a flow-limit took some experimentation and
> would probably vary based on platform.
> 
> With that, and looking at the .at changes, LGTM.
> 
> Acked-by: Cian Ferriter <[email protected]>

Thanks for testing and reviewing folks.

So does it make sense to apply this to both 2.17 and 2.16 also?

Thanks
ian
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