*** Caught signal (SEGV) ***
 ceph version 0.23.1 (commit:868665d5f2c79ff0cc338339d25579f846794d93)
 1: (sigsegv_handler(int)+0xde) [0x5e093e]
 2: (()+0x33af0) [0x7f89d62c6af0]
 3: (OSD::_get_pool(int)+0x1d5) [0x4cfbb5]
 4: (OSD::_open_lock_pg(pg_t, bool)+0x4a) [0x4d247a]
 5: (OSD::load_pgs()+0x166) [0x4d9f06]
 6: (OSD::init()+0x46c) [0x4dfe8c]
 7: (main()+0x2684) [0x45cfd4]
 8: (__libc_start_main()+0xfd) [0x7f89d62b1c4d]
 9: (std::ios_base::Init::~Init()+0x59) [0x45a679]