> On 27 Sep 2018, at 09:21, Juraj Linkeš <juraj.lin...@pantheon.tech> wrote:
> 
> Hi Neale,
>  
> I had a debugging session with Andrew about failing ACL testcases and he 
> uncovered that the root cause is in l2 and ip4:
> 1) the timeout and big files
> 
> for some reason in the bridged setup done by a testcase, the VPP reinjects 
> the packet being sent onto one of the interfaces of the bridge, in a loop.
> 
> The following crude diff eliminates the problem and the tests pass: 
> https://paste.ubuntu.com/p/CSMYjXsZyX/
> 
> 2) there is a failure of a mac acl testcase in the routed scenario, where the 
> ip lookup picks up incorrect next index:
> 
> The following shows the problem for the properly and improperly routed packet:
> 
> https://paste.ubuntu.com/p/wTWWNhwSKY/
> 
> Could you advise on the first issue (Andrew wasn't sure the diff is a proper 
> fix) and help debug the other

To clarify: I am 100% sure it is NOT a proper fix, it was there to just 
demonstrate the issue.

—a



> issue (or, most likely related, issues https://jira.fd.io/browse/VPP-1432 and 
> https://jira.fd.io/browse/VPP-1433?) If not, could you suggest someone so I 
> can ask them?
>  
> Thanks,
> Juraj
>  
> From: Juraj Linkeš 
> Sent: Tuesday, September 25, 2018 10:07 AM
> To: 'Juraj Linkeš' <juraj.lin...@pantheon.tech>; vpp-dev <vpp-dev@lists.fd.io>
> Cc: csit-dev <csit-...@lists.fd.io>
> Subject: RE: Make test failures on ARM - IP4, L2, ECMP, Multicast, GRE, SCTP, 
> SPAN, ACL
>  
> I created the new tickets under CSIT, which is an oversight, but I fixed it 
> and now the tickets are under VPP:
> ·        GRE crash
> ·        SCTP failure/crash
> o   Me and Marco resolved a similar issue in the past, but this could be 
> something different
> ·        SPAN crash
> ·        IP4 failures
> o   These are multiple failures and I'm not sure that grouping them together 
> is correct
> ·        L2 failures/crash
> o   As in IP4, these are multiple failures and I'm not sure that grouping 
> them together is correct
> ·        ECMP failure
> ·        Multicast failure
> ·        ACL failure
> o   I'm already working with Andrew on fixing this
>  
> There seem to be a lot of people who touched the code. I would like to ask 
> the authors to tell me who to turn to (at least for IP and L2).
>  
> Regards,
> Juraj
>  
> From: Juraj Linkeš [mailto:juraj.lin...@pantheon.tech] 
> Sent: Monday, September 24, 2018 6:26 PM
> To: vpp-dev <vpp-dev@lists.fd.io>
> Cc: csit-dev <csit-...@lists.fd.io>
> Subject: [vpp-dev] Make test failures on ARM
>  
> Hi vpp-devs,
>  
> Especially ARM vpp devs J
>  
> We're experiencing a number of failures on Cavium ThunderX and we'd like to 
> fix the issues. I've created a number of Jira tickets:
> ·        GRE crash
> ·        SCTP failure/crash
> o   Me and Marco resolved a similar issue in the past, but this could be 
> something different
> ·        SPAN crash
> ·        IP4 failures
> o   These are multiple failures and I'm not sure that grouping them together 
> is correct
> ·        L2 failures/crash
> o   As in IP4, these are multiple failures and I'm not sure that grouping 
> them together is correct
> ·        ECMP failure
> ·        Multicast failure
> ·        ACL failure
> o   I'm already working with Andrew on fixing this
>  
> The reason I didn't reach out to all authors individually is that I wanted 
> someone to look at the issues and assess whether there's an overlap (or I 
> grouped the failures improperly), since some of the failures look similar.
>  
> Then there's the issue of hardware availability - if anyone willing to help 
> has access to fd.io lab, I can setup access to a Cavium ThunderX, otherwise 
> we could set up a call if further debugging is needed.
>  
> Thanks,
> Juraj
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