Hi all, I am facing occasional VPP crash from vlib_worker_thread_barrier_sync_int(). There was hardly any load on VPP when this happened I am using VPP version v18.01.1-100~g3a6948c. Upgrading to a newer version is not an option for me currently.
Here is the backtrace: *#0 0x00002b95c3015207 in raise () from /lib64/libc.so.6* *#1 0x00002b95c30168f8 in abort () from /lib64/libc.so.6* *#2 0x0000000000405ef3 in os_panic ()* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vpp/vnet/main.c:268* *#3 0x00002b95c111560a in vlib_worker_thread_barrier_sync_int (vm=0x2b95c1345260 <vlib_global_main>)* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vlib/threads.c:1480* *#4 0x00002b95c0e90d3a in vl_msg_api_handler_with_vm_node (am=0x2b95c10c14a0 <api_main>, the_msg=0x3026f5ac, vm=0x2b95c1345260 <vlib_global_main>,* * node=<optimized out>)* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vlibapi/api_shared.c:506* *#5 0x00002b95c0ea02ec in memclnt_process (vm=0x2b95c1345260 <vlib_global_main>, node=0x2b95c6070000, f=<optimized out>)* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vlibmemory/memory_vlib.c:983* *#6 0x00002b95c10f1656 in vlib_process_bootstrap (_a=<optimized out>)* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vlib/main.c:1231* *#7 0x00002b95c245c838 in clib_calljmp ()* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vppinfra/longjmp.S:110* *#8 0x00002b95c5edfe30 in ?? ()* *#9 0x00002b95c10f2999 in vlib_process_startup (f=0x0, p=0x2b95c6070000, vm=0x2b95c1345260 <vlib_global_main>)* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vlib/main.c:1253* *#10 dispatch_process (vm=0x2b95c1345260 <vlib_global_main>, p=0x2b95c6070000, last_time_stamp=39202939357732, f=0x0)* * at /bfs-build/build-area.47/builds/LinuxNBngp_mainline_RH7/2018-10-15-1924/third-party/vpp/vpp_1801/build-data/../src/vlib/main.c:1296* *#11 0x0000000c00000000 in ?? ()* *#12 0x000000050000000c in ?? ()* *#13 0x0000000000000000 in ?? ()* Any help will be greatly appreciated. Regards, Siddarth
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