Hello,

I have a VM(16.04.4 Ubuntu x86_64) with 2 cores and 4G RAM. I have
installed VPP successfully on it. Later I have created vhost-user
interfaces via

create vhost socket /var/run/vpp/sock1.sock server
create vhost socket /var/run/vpp/sock2.sock server
set interface state VirtualEthernet0/0/0 up
set interface state VirtualEthernet0/0/1 up

set interface l2 bridge VirtualEthernet0/0/0 1
set interface l2 bridge VirtualEthernet0/0/1 1

I then run 'DPDK/testpmd' inside a container which will use
virtio-user interfaces using the following command

docker run -it --privileged -v
/var/run/vpp/sock1.sock:/var/run/usvhost1 -v
/var/run/vpp/sock2.sock:/var/run/usvhost2 -v
/dev/hugepages:/dev/hugepages dpdk-app-testpmd ./bin/testpmd -c 0x3 -n
4 --log-level=9 -m 64 --no-pci --single-file-segments
--vdev=virtio_user0,path=/var/run/usvhost1,mac=54:01:00:01:01:01
--vdev=virtio_user1,path=/var/run/usvhost2,mac=54:01:00:01:01:02 --
-i

VPP Vnet crashes with following message

May 27 11:44:00 localhost vnet[6818]: received signal SIGSEGV, PC
0x7fcca4620187, faulting address 0x7fcb317ac000

Questions:
I have 'ulimit -c unlimited' and /etc/vpp/startup.conf has
unix {
  nodaemon
  log /var/log/vpp/vpp.log
  full-coredump
  cli-listen /run/vpp/cli.sock
  gid vpp
}

But I couldn't locate corefile?

(2) How to enable debugs? I have used 'make build' but no additional
logs other than those shown below


VPP logs from /var/log/syslog is shown below
cat /var/log/syslog
May 27 11:40:28 localhost vpp[6818]: vlib_plugin_early_init:361:
plugin path /usr/lib/vpp_plugins:/usr/lib64/vpp_plugins
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: abf_plugin.so (ACL based Forwarding)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: acl_plugin.so (Access Control Lists)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: avf_plugin.so (Intel Adaptive Virtual Function (AVF) Device
Plugin)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:191: Loaded
plugin: cdp_plugin.so
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: dpdk_plugin.so (Data Plane Development Kit (DPDK))
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: flowprobe_plugin.so (Flow per Packet)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: gbp_plugin.so (Group Based Policy)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: gtpu_plugin.so (GTPv1-U)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: igmp_plugin.so (IGMP messaging)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: ila_plugin.so (Identifier-locator addressing for IPv6)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: ioam_plugin.so (Inbound OAM)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:117: Plugin
disabled (default): ixge_plugin.so
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: l2e_plugin.so (L2 Emulation)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: lacp_plugin.so (Link Aggregation Control Protocol)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: lb_plugin.so (Load Balancer)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: memif_plugin.so (Packet Memory Interface (experimetal))
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: nat_plugin.so (Network Address Translation)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: pppoe_plugin.so (PPPoE)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: srv6ad_plugin.so (Dynamic SRv6 proxy)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: srv6am_plugin.so (Masquerading SRv6 proxy)
May 27 11:40:28 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: srv6as_plugin.so (Static SRv6 proxy)
May 27 11:40:29 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: stn_plugin.so (VPP Steals the NIC for Container integration)
May 27 11:40:29 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: tlsmbedtls_plugin.so (mbedtls based TLS Engine)
May 27 11:40:29 localhost vpp[6818]: load_one_plugin:189: Loaded
plugin: tlsopenssl_plugin.so (openssl based TLS Engine)
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: dpdk_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: dpdk_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: lb_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: flowprobe_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: stn_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: nat_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: udp_ping_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: pppoe_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: lacp_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: lb_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: acl_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: ioam_export_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: ioam_trace_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin:
vxlan_gpe_ioam_export_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: gtpu_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: cdp_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: ioam_vxlan_gpe_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: memif_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]:
load_one_vat_plugin:67: Loaded plugin: ioam_pot_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: flowprobe_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: stn_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: nat_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: udp_ping_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: pppoe_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: lacp_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: acl_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: ioam_export_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: ioam_trace_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: vxlan_gpe_ioam_export_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: gtpu_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: cdp_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: ioam_vxlan_gpe_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: memif_test_plugin.so
May 27 11:40:29 localhost /usr/bin/vpp[6818]: load_one_vat_plugin:67:
Loaded plugin: ioam_pot_test_plugin.so
May 27 11:40:29 localhost vpp[6818]: /usr/bin/vpp[6818]: dpdk: EAL
init args: -c 1 -n 4 --no-pci --huge-dir /dev/hugepages --master-lcore
0 --socket-mem 256,0
May 27 11:40:29 localhost /usr/bin/vpp[6818]: dpdk: EAL init args: -c
1 -n 4 --no-pci --huge-dir /dev/hugepages --master-lcore 0
--socket-mem 256,0
May 27 11:40:29 localhost vnet[6818]: dpdk_ipsec_process:1019: not
enough DPDK crypto resources, default to OpenSSL
May 27 11:43:19 localhost vnet[6818]: show vhost-user: unknown input `detail
May 27 11:44:00 localhost vnet[6818]: received signal SIGSEGV, PC
0x7fcca4620187, faulting address 0x7fcb317ac000
May 27 11:44:00 localhost systemd[1]: vpp.service: Main process
exited, code=killed, status=6/ABRT
May 27 11:44:00 localhost systemd[1]: vpp.service: Unit entered failed state.
May 27 11:44:00 localhost systemd[1]: vpp.service: Failed with result 'signal'.
May 27 11:44:00 localhost systemd[1]: vpp.service: Service hold-off
time over, scheduling restart



Thanks.

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