[root@scale-192-168-98-109 ~]# rbd ls
foobar1
foobar11
foobar12
foobara
[root@scale-192-168-98-109 ~]# rbd snap ls foobar1
[root@scale-192-168-98-109 ~]# rbd snap create --snap=snap1 foobar1
*** Caught signal (Segmentation fault) **
 in thread 0x7f8652f40720
 ceph version 0.24.2-2395-g8385500 (commit:83855002553932cb25da648d7728e5cf3cee364a)
 1: (()+0x145929) [0x7f8652897929]
 2: (()+0xf4c0) [0x7f86525444c0]
 3: (ceph::buffer::ptr::unused_tail_length() const+0) [0x7f86528933e0]
 4: (ceph::buffer::list::append(char const*, unsigned int)+0xef) [0x7f8652b2cc6f]
 5: (librbd::add_snap(librbd::ImageCtx*, char const*)+0xc0) [0x7f8652b22260]
 6: (librbd::snap_create(librbd::ImageCtx*, char const*)+0xc4) [0x7f8652b271c4]
 7: (main()+0x164a) [0x40828a]
 8: (__libc_start_main()+0xfd) [0x7f8651ab5c5d]
 9: rbd() [0x404489]
Segmentation fault
[root@scale-192-168-98-109 ~]#
[root@scale-192-168-98-109 ~]# rbd info foobar1
rbd image 'foobar1':
        size 1024 MB in 256 objects
        order 22 (4096 KB objects)
        block_name_prefix: rb.0.1
        parent:  (pool -1)
[root@scale-192-168-98-109 ~]#