Hi Dave,

2 options:

1.) if you set ulimit -c properly and do a make test-debug I=1 TEST=l2bd
(or just make test-debug I=1), the test framework should detect the
core, fire up a gdb, load it and give you control (I stands for
"interactive" here)

2.) this one is not committed yet, but I have a patch which adds S=1 for
running in gdbserver from the start - so at the beginning of each test
case, it starts the vpp in gdbserver, prints the command line to attach
gdb and waits for an <ENTER> so that you can set breakpoints etc.. I
hope to push this to gerrit soon...

Thanks,
Klement

On Fri, Oct 28, 2016 at 04:17:48PM +0000, Dave Barach (dbarach) wrote:
> Dear Jan,
> 
> This looks for all the world like a bounded-index extensible hash jackpot. If 
> that's so, the fix is obvious but it will take a bit of time to code and test.
> 
> Before I go there, I'll need to blow it up myself and poke around in gdb. 
> Have folks implemented the scheme I asked for - to pause test(s) so a 
> developer can attach to vpp from gdb - before anything else happens?
> 
> If not, I can stick a sleep into the test BUT that feature request is very 
> important.
> 
> Thanks... Dave
> 
> From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On 
> Behalf Of Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
> Sent: Friday, October 28, 2016 12:02 PM
> To: vpp-dev@lists.fd.io
> Cc: csit-...@lists.fd.io
> Subject: [vpp-dev] L2BD test failing during MAC learning - VPP-518
> 
> Dear vpp developers,
> 
> We found out that VPP crashes during the MAC learning when run L2BD test that 
> is part of the test framework. The issue is reported here: 
> https://jira.fd.io/browse/VPP-518
> 
> Regards,
> Jan
> 

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> vpp-dev mailing list
> vpp-dev@lists.fd.io
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  • [vpp-dev] L2B... Jan Gelety -X (jgelety - PANTHEON TECHNOLOGIES at Cisco)
    • Re: [vpp... Dave Barach (dbarach)
      • Re: ... Dave Barach (dbarach)
      • Re: ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
        • ... Dave Barach (dbarach)
          • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
            • ... John Lo (loj)
            • ... Dave Barach (dbarach)
              • ... Luke, Chris
              • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
                • ... Burt Silverman
                • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
    • Re: [vpp... Dave Barach (dbarach)

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