Pstack strange information There is a procedure that must be coredump traveling with a document pstack core check this information : $ Pstack core Core 'core' of 29,470 :. /my_proc Pstack : warning : librtld_db failed to initialize; symbols from shared libraries will not be available 4 -------------------------------- ----------------- lwp# 0006c2b4 chooses (efe54, 0, ffffffff, 0, 0, 506f62) ----------------- Lwp# 5 -------------------------------- Ff0d9200 chooses (0, ff0ecd6c, ff0ec000, ff0f8d04, 0, fe401000) 6 -------------------------------- ----------------- lwp# Ff01d61c chooses (fbb0532c, fee33d38, 0, 5, 1, fe401000) 7 -------------------------------- ----------------- lwp# Ff01d61c chooses (0, 0, 0, fd007388, ff03f1bc, fd007388) 8 -------------------------------- ----------------- lwp# Ff01d61c chooses (0, 0, 0, fb007388, ff03f1bc, fb007388) ... How that would be the case, it was to know the reason? Pstack before they can check out some relevant information function, anything can no longer be seen. Pstack strange information Pstack time before the results are as follows : 29470 :. /my_proc ----------------- Lwp# 1 / thread# 1 -------------------- Ff01b8bc _lwp_mutex_unlock (0, 10000, 0, ff0ec000, ff0f8654, fd20bd98) + 1c Ff0cae00 _mutex_adaptive_wakeup (ff0f4308, 0, 0, 0, 0, 0) + 30 Ff0caeb8 _mutex_wakeup (ff0f4308, 0, 0, ff0caf14, 0, 1) + 1c Ff0caf14 _lmutex_unlock (ff0f4308, ff0f38a8, ff0ec000, fd20bd98, 0, 0) + 4 Ff0d179c _thrp_continue (0, 0, ff0ec000, 53, fd20bd98, 1) + 3ec Ff0d52d8 pthread_create (fd20bd98, 0, 0, 0, ff0ec000, 0) + 310 00069fc8 __0fINE_AGENTFstartClCiPCc (efe54, 1, 0, 5030cc, ff0f3880, ff0ecf88) + 1d20 00064d08 main (6 ffbef7fc, ffbef818, eec00, 0, 0) + a08 00061224 _start (0, 0, 0, 0, 0, 0) + dc ----------------- Lwp# 2 / 2 -------------------- thread# Ff01eddc signotifywait () Ff0ce950 _dynamiclwps (ff0ec000, 0, 0, ff03f518, 1, 0) + 1c Ff0d1c2c thr_yield (0, 0, 0, 0, 0, 0) + 8c ----------------- Lwp# 3 / 4 -------------------- thread# [ Closed window ]