Please find GDB context: Its waiting on some ptherad_condition_wait --> not a timed wait.
gdb /usr/bin/vpp 0x00007f023297848c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 Missing separate debuginfos, use: yum debuginfo-install glibc-2.28-101.el8.x86_64 libuuid-2.32.1-22.el8.x86_64 mbedtls-2.16.9-1.el8.x86_64 numactl-libs-2.0.12-9.el8.x86_64 openssl-libs-1.1.1c-15.el8.x86_64 sssd-client-2.2.3-20.el8.x86_64 zlib-1.2.11-13.el8.x86_64 (gdb) bt *#0 0x00007f023297848c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0* #1 0x00007f0232da1016 in svm_queue_wait_inline (q=0x1301c6c80) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/svm/queue.c:157 #2 svm_queue_add (q=0x1301c6c80, elem=elem@entry=0x7f01e1d01dc8 "X\241\005\060\001", nowait=nowait@entry=0) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/svm/queue.c:284 #3 0x00007f02346b17d7 in vl_msg_api_send_shmem (q=<optimized out>, elem=elem@entry=0x7f01e1d01dc8 "X\241\005\060\001") at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlibmemory/memory_shared.c:790 #4 0x00007f01f1bab6d1 in vl_api_send_msg (elem=<optimized out>, rp=0x1301c6b90) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlibmemory/api.h:43 #5 vl_api_abf_itf_attach_add_del_t_handler (mp=0x1300f51b8) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/plugins/abf/abf_api.c:121 #6 0x00007f02346ca7fb in vl_msg_api_handler_with_vm_node (am=am@entry=0x7f02348d8f40 <api_global_main>, vlib_rp=vlib_rp@entry=0x130023000, the_msg=<optimized out>, vm=vm@entry=0x7f01f1db5680, node=node@entry=0x7f01f3088e80, is_private=is_private@entry=0 '\000') at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlibapi/api_shared.c:635 #7 0x00007f02346af2a6 in void_mem_api_handle_msg_i (is_private=0 '\000', node=0x7f01f3088e80, vm=0x7f01f1db5680, vlib_rp=0x130023000, am=0x7f02348d8f40 <api_global_main>) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlibmemory/memory_api.c:696 #8 vl_mem_api_handle_msg_main (vm=vm@entry=0x7f01f1db5680, node=node@entry=0x7f01f3088e80) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlibmemory/memory_api.c:707 #9 0x00007f02346c1636 in vl_api_clnt_process (vm=<optimized out>, node=0x7f01f3088e80, f=<optimized out>) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlibmemory/vlib_api.c:338 #10 0x00007f0232fedb16 in vlib_process_bootstrap (_a=<optimized out>) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlib/main.c:1284 #11 0x00007f0232550ee8 in clib_calljmp () at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vppinfra/longjmp.S:123 #12 0x00007f01e3f65dc0 in ?? () #13 0x00007f0232ff0ec4 in vlib_process_startup (f=0x0, p=0x7f01f3088e80, vm=0x7f01f1db5680) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vppinfra/types.h:133 #14 dispatch_process (vm=<optimized out>, p=0x7f01f3088e80, last_time_stamp=<optimized out>, f=0x0) at /usr/src/debug/vpp-21.06.0-2~g99c146915_dirty.x86_64/src/vlib/main.c:1365 #15 0x0000000000000000 in ?? () (gdb) quit
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