bitcoind thread 5 bt

(gdb) thread 5
[Switching to thread 5 (Thread 0x7fcde0dfd700 (LWP 29843))]
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:166
166	62:	movl	(%rsp), %edi
(gdb) bt
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:166
#1  0x00000000005c18f3 in leveldb::(anonymous namespace)::PosixEnv::BGThreadWrapper(void*) ()
#2  0x00007fce15013d14 in start_thread (arg=0x7fcde0dfd700)
    at pthread_create.c:309
#3  0x00007fce1453368d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115