Try increasing the size of the shared-memory API segment. An allocation of 25mb 
is failing. You might ask yourself how sane it is to generate that much output. 

Thanks… Dave

-----Original Message-----
From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On 
Behalf Of Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
Sent: Monday, November 13, 2017 5:27 AM
To: John Lo (loj) <l...@cisco.com>; Pavel Kotucek -X (pkotucek - PANTHEON 
TECHNOLOGIES at Cisco) <pkotu...@cisco.com>; vpp-dev@lists.fd.io; Brian Brooks 
<brian.bro...@arm.com>
Subject: Re: [vpp-dev] make test-all

So it seems that vpp coredumps while dumping the API trace after
creating all the interfaces...

(gdb) bt
#0  0x00007f14f4b1e428 in __GI_raise (sig=sig@entry=6) at 
../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007f14f4b2002a in __GI_abort () at abort.c:89
#2  0x0000000000405d83 in os_panic () at 
/home/ksekera/vpp/build-data/../src/vpp/vnet/main.c:268
#3  0x00007f14f5fe5f86 in clib_mem_alloc_aligned_at_offset 
(os_out_of_memory_on_failure=1, align_offset=0, align=1, size=25282098)
    at /home/ksekera/vpp/build-data/../src/vppinfra/mem.h:105
#4  clib_mem_alloc (size=25282098) at 
/home/ksekera/vpp/build-data/../src/vppinfra/mem.h:114
#5  vl_msg_api_alloc_internal (may_return_null=0, pool=<optimized out>, 
nbytes=25282098)
    at /home/ksekera/vpp/build-data/../src/vlibmemory/memory_shared.c:176
#6  vl_msg_api_alloc (nbytes=nbytes@entry=25282082) at 
/home/ksekera/vpp/build-data/../src/vlibmemory/memory_shared.c:207
#7  0x0000000000411392 in vl_api_cli_inband_t_handler (mp=0x300e2a0c) at 
/home/ksekera/vpp/build-data/../src/vpp/api/api.c:223
#8  0x00007f14f5fdfa23 in vl_msg_api_handler_with_vm_node 
(am=am@entry=0x7f14f620d460 <api_main>, the_msg=the_msg@entry=0x300e2a0c,
    vm=vm@entry=0x7f14f5fd6260 <vlib_global_main>, 
node=node@entry=0x7f14b410e000) at 
/home/ksekera/vpp/build-data/../src/vlibapi/api_shared.c:508
#9  0x00007f14f5fef35f in memclnt_process (vm=0x7f14f5fd6260 
<vlib_global_main>, node=0x7f14b410e000, f=<optimized out>)
    at /home/ksekera/vpp/build-data/../src/vlibmemory/memory_vlib.c:970

(gdb) p input
$5 = {buffer = 0x7f14b56f6558 "dump 
/tmp/vpp-unittest-P2PEthernetAPI-qRwMY6/vpp_api_trace.test_p2p_subif_creation_10k.log\n",
  index = 18446744073709551615, buffer_marks = 0x7f14b592a240, fill_buffer = 
0x0, fill_buffer_arg = 0x0}

I'm pretty sure that the history of this mess was:

1.) the test was added first as enhanced
2.) automatic dump of api trace was added, but only tested against 'make test', 
not 'make test-all'

Thanks,
Klement

Quoting Klement Sekera (2017-11-11 22:12:52)
> Hi Brian,
> 
> it should. Though I just tried running it on latest master and got a
> timeout in test_p2p_ethernet, which shouldn't happen. I see the test was
> trying to create tens of thousands of interfaces... maybe something is
> slower than usual?
> 
> Thanks,
> Klement
> 
> Quoting Brian Brooks (2017-11-11 01:11:47)
> >    Should “make test-all” pass?
> > 
> >     
> > 
> >    Thanks,
> > 
> >    Brian
> > 
> >     
> > 
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  • [vpp-dev] mak... Brian Brooks
    • Re: [vpp... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
      • Re: ... Gabriel Ganne
        • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
      • Re: ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
        • ... Dave Barach (dbarach)
          • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
            • ... Ole Troan
              • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)
                • ... Brian Brooks
                • ... Gabriel Ganne
                • ... Klement Sekera -X (ksekera - PANTHEON TECHNOLOGIES at Cisco)

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