Hi Raj, We removed udpc transport in vpp. I’ll push a patch that removes it from vcl as well.
Calling connect on a udp connection will give you connected semantics now. Let me know if that solves the issue for you. Regards, Florin > On May 15, 2020, at 12:15 PM, Raj Kumar <raj.gauta...@gmail.com> wrote: > > Hi, > I am getting segmentation fault in VPP when using VCL VPPCOM_PROTO_UDPC > socket. This issue is observed with both UDP sender and UDP receiver > application. > > However, both UDP sender and receiver works fine with VPPCOM_PROTO_UDP. > > Here is the stack trace - > > (gdb) bt > #0 0x0000000000000000 in ?? () > #1 0x00007ffff775da59 in session_open_vc (app_wrk_index=1, > rmt=0x7fffb5e34cc0, opaque=0) > at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vnet/session/session.c:1217 > #2 0x00007ffff7779257 in session_mq_connect_handler (data=0x7fffb676e7a8) > at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vnet/session/session_node.c:138 > #3 0x00007ffff7780f48 in session_event_dispatch_ctrl (elt=0x7fffb643f51c, > wrk=0x7fffb650a640) > at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vnet/session/session.h:262 > #4 session_queue_node_fn (vm=<optimized out>, node=<optimized out>, > frame=<optimized out>) > at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vnet/session/session_node.c:1409 > #5 0x00007ffff6b214c1 in dispatch_node (last_time_stamp=<optimized out>, > frame=0x0, dispatch_state=VLIB_NODE_STATE_POLLING, > type=VLIB_NODE_TYPE_INPUT, node=0x7fffb5a9a980, vm=0x7ffff6d7c200 > <vlib_global_main>) > at /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vlib/main.c:1235 > #6 vlib_main_or_worker_loop (is_main=1, vm=0x7ffff6d7c200 <vlib_global_main>) > at /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vlib/main.c:1815 > #7 vlib_main_loop (vm=0x7ffff6d7c200 <vlib_global_main>) at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vlib/main.c:1990 > #8 vlib_main (vm=<optimized out>, vm@entry=0x7ffff6d7c200 > <vlib_global_main>, input=input@entry=0x7fffb5e34fa0) > at /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vlib/main.c:2236 > #9 0x00007ffff6b61756 in thread0 (arg=140737334723072) at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vlib/unix/main.c:658 > #10 0x00007ffff602fc0c in clib_calljmp () from /lib64/libvppinfra.so.20.05 > #11 0x00007fffffffd1e0 in ?? () > #12 0x00007ffff6b627ed in vlib_unix_main (argc=<optimized out>, > argv=<optimized out>) > at > /usr/src/debug/vpp-20.05-rc0~748_g83d129837.x86_64/src/vlib/unix/main.c:730 > > Earlier , I tested this functionality with VPP 20.01 release with the > following patches and it worked perfectly. > https://gerrit.fd.io/r/c/vpp/+/24332 <https://gerrit.fd.io/r/c/vpp/+/24332> > https://gerrit.fd.io/r/c/vpp/+/24334 <https://gerrit.fd.io/r/c/vpp/+/24334> > https://gerrit.fd.io/r/c/vpp/+/24462 <https://gerrit.fd.io/r/c/vpp/+/24462> > > Thanks, > -Raj >
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