Ceph

http://qa-proxy.ceph.com/teuthology/teuthology-2015-08-31_23:00:07-rbd-master---basic-multi/1040023/teuthology.log
http://qa-proxy.ceph.com/teuthology/teuthology-2015-08-31_23:00:07-rbd-master---basic-multi/1040016/teuthology.log

test_rbd.TestClone.test_flatten_basic ... common/buffer.cc: In function 'ceph::buffer::ptr::ptr(const ceph::buffer::ptr&, unsigned int, unsigned int)' thread 7f94677fe700 time 2015-09-01 12:17:20.053451
common/buffer.cc: 690: FAILED assert(_raw)
 ceph version 9.0.3-1196-gbf75b30 (bf75b309ecfe2eaaa05a0b154f2ee4a7eaa29c3e)
 1: (()+0x1aa7b2) [0x7f9464b7e7b2]
 2: (()+0xd2af7) [0x7f9464aa6af7]
 3: (()+0xd3ed6) [0x7f9464aa7ed6]
 4: (()+0xd43cf) [0x7f9464aa83cf]
 5: (()+0x40b974) [0x7f9464ddf974]
 6: (()+0x5b97f) [0x7f9464a2f97f]
 7: (()+0x59b99) [0x7f9464a2db99]
 8: (()+0x5c147) [0x7f9464a30147]
 9: (()+0xb7238) [0x7f948a0b1238]
 10: (()+0x95a49) [0x7f948a08fa49]
 11: (()+0x15deb0) [0x7f948a157eb0]
 12: (()+0x7555) [0x7f94995b0555]
 13: (clone()+0x6d) [0x7f9498bdcb9d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
terminate called after throwing an instance of 'ceph::FailedAssertion'
Aborted (core dumped)