Hi, I am seeing an ATS crash. The stack trace and the crash log info for the crash are pasted below. Seems to be happening in PluginVC::main_handler line 216. I would appreciate it if someone can comment on possible reasons for this crash? Thanks.
D. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/opt/trafficserver/bin/traffic_server -M --bind_stdout /opt/trafficserver/var/l'. Program terminated with signal SIGABRT, Aborted. #0 0x00002b8a43807428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54 54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. [Current thread is 1 (Thread 0x2b8a4d312700 (LWP 136))] (gdb) bt #0 0x00002b8a43807428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54 #1 0x00002b8a43809187 in __GI_abort () at abort.c:118 #2 0x00002b8a417d5adf in ink_die_die_die () at ink_error.cc:43 #3 ink_fatal_va (fmt=0x2b8a417e29ff "%s:%d: failed assert `%s`", ap=ap@entry=0x2b8a4d311cf0) at ink_error.cc:65 #4 0x00002b8a417d5b79 in ink_fatal ( message_format=message_format@entry=0x2b8a417e29ff "%s:%d: failed assert `%s`") at ink_error.cc:73 #5 0x00002b8a417d3c35 in _ink_assert ( expression=expression@entry=0x7f13e0 "call_event == core_lock_retry_event", file=file@entry=0x7f1413 "PluginVC.cc", line=line@entry=216) at ink_assert.cc:37 #6 0x00000000004fc68c in PluginVC::main_handler (this=0x2b8ad8807048, event=<optimized out>, data=0x2c31fa0) at PluginVC.cc:216 #7 0x00000000007e0752 in Continuation::handleEvent (data=0x2c31fa0, event=1, this=<optimized out>) at I_Continuation.h:153 #8 EThread::process_event (this=this@entry=0x2b8a4c707010, e=e@entry=0x2c31fa0, calling_code=1) at UnixEThread.cc:148 #9 0x00000000007e15d8 in EThread::execute (this=0x2b8a4c707010) at UnixEThread.cc:202 #10 0x00000000007e01d5 in spawn_thread_internal (a=0x27a24d0) at Thread.cc:86 #11 0x00002b8a42b176ba in start_thread (arg=0x2b8a4d312700) at pthread_create.c:333 #12 0x00002b8a438d93dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 (gdb) 212 } else { 213 if (call_event == sm_lock_retry_event) { 214 sm_lock_retry_event = NULL; 215 } else { 216 ink_release_assert(call_event == core_lock_retry_event); 217 core_lock_retry_event = NULL; 218 } 219 Process: [ET_NET 0] [72] File: /opt/trafficserver/bin/traffic_server Version: Traffic Server 6.2.1 System Version: Linux x86_64 #1 SMP Wed Apr 12 15:04:24 UTC 2017 3.10.0-514.16.1.el7.x86_64 Date: Sat, 29 Jul 2017 08:15:01 +0000 No target signal information No target CPU registers Thread 136, [ET_NET 9]: 0 0x00000000004afb02 crash_logger_invoke(int, siginfo_t*, void*) + 0x82 1 0x00002b8a42b21390 __restore_rt + (nil) 2 0x00002b8a43807428 gsignal + 0x38 3 0x00002b8a4380902a abort + 0x16a 4 0x00002b8a417d5adf ink_fatal_va(char const*, __va_list_tag*) + 0x9f 5 0x00002b8a417d5b79 ink_fatal(char const*, ...) + 0x99 6 0x00002b8a417d3c35 _ink_assert + 0x15 7 0x00000000004fc68c PluginVC::main_handler(int, void*) + 0x5ac 8 0x00000000007e0752 EThread::process_event(Event*, int) + 0x92 9 0x00000000007e15d8 EThread::execute() + 0x808 10 0x00000000007e01d5 spawn_thread_internal(void*) + 0x55 11 0x00002b8a42b176ba start_thread + 0xca 12 0x00002b8a438d93dd clone + 0x6d 13 0x0000000000000000 0x0 + 0x6d