Hi Vijay, Error seems unrelated to the patch. Hard to say from the trace what’s going on. If f5 is to be believed, wrk pointer looks corrupted. Hard to say why that happened given that tcp_get_worker should not fail. Maybe inspect &tcp_main.wrk_ctx[thread_index] or run a debug image.
Regards, Florin > On May 2, 2022, at 10:54 PM, Vijay Kumar <vjkumar2...@gmail.com> wrote: > > Hi experts, > > I am seeing the below pasted call stack. We are using vpp 21.06. The crash is > in tcp_update_time_now() called inside tcp46_input_inline. I had not done any > changes to tcp46_input_inline graph node. All I did was add this patch > mentioned below. This patch was applied recently in the function > tcp46_listen_inline() to increment error counters. > > https://gerrit.fd.io/r/c/vpp/+/35654/ <https://gerrit.fd.io/r/c/vpp/+/35654/> > > NOTE > ======= > The VPP was working fine for a long time even after applying the above patch > but recently we added more features and the crash may be happening as a > side-effect of the new code we added. > > Pls let me know if you have seen this crash or if you may have some > suggestions for this crash??? > > > Call stack > ============= > #0 0x00007f59ccfc888c in __pthread_kill_implementation () from > /lib64/libc.so.6 > #1 0x00007f59ccf7b6a6 in raise () from /lib64/libc.so.6 > #2 0x00007f59ccf65865 in abort () from /lib64/libc.so.6 > #3 0x000055bf7f28d30a in os_exit (code=<optimized out>) at > /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vpp/vnet/main.c:477 > #4 <signal handler called> > #5 0x00007f59cdf7bb23 in tcp_update_time_now (wrk=0xa640) at > /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vnet/tcp/tcp_inlines.h:226 > #6 tcp46_input_inline (is_nolookup=0 '\000', is_ip4=0, frame=<optimized out>, > node=<optimized out>, vm=0x7f58ab281e00) > at > /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vnet/tcp/tcp_input.c:2876 > #7 tcp6_input_node_fn_skx (vm=0x7f58ab281e00, node=0x7f584e33c440, > from_frame=0x7f58ab49e900) > at > /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vnet/tcp/tcp_input.c:3051 > #8 0x00007f59cd30bc05 in dispatch_node (last_time_stamp=<optimized out>, > frame=<optimized out>, dispatch_state=VLIB_NODE_STATE_POLLING, > type=VLIB_NODE_TYPE_INTERNAL, node=0x7f584e33c440, vm=0x7f58ab281e00) > at /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vlib/main.c:1063 > #9 dispatch_pending_node (vm=vm@entry=0x7f58ab281e00, > pending_frame_index=pending_frame_index@entry=6, last_time_stamp=<optimized > out>) > at /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vlib/main.c:1243 > #10 0x00007f59cd30d9b7 in vlib_main_or_worker_loop (is_main=0, > vm=0x7f58ab281e00) > at /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vlib/main.c:1832 > #11 vlib_worker_loop (vm=0x7f58ab281e00) at > /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vlib/main.c:1966 > #12 0x00007f59cd28261c in clib_calljmp () at > /usr/src/debug/vpp-21.06.0-5~gfad0b64b3_dirty.x86_64/src/vppinfra/longjmp.S:123 > #13 0x00007f54837fdc80 in ?? () > #14 0x00007f584847b1e9 in eal_thread_loop.cold () from > /usr/lib/vpp_plugins/dpdk_plugin.so > #15 0x0000000000000000 in ?? () > > > > > Regards, > Vijay Kumar N > > >
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#21334): https://lists.fd.io/g/vpp-dev/message/21334 Mute This Topic: https://lists.fd.io/mt/90853512/21656 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
