Ceph » rbd

Doing something like:

rbd create -s 10 img
rbd feature enable img exclusive-lock object-map
rbd object-map rebuild img

causes a crash:

#4  0x00007fc0756a0d73 in std::terminate() () from /lib64/libstdc++.so.6
#5  0x00007fc0756a0f93 in __cxa_throw () from /lib64/libstdc++.so.6
#6  0x00007fc07711ca58 in ceph::__ceph_assert_fail (assertion=assertion@entry=0x7fc0772144e0 "object_no < m_object_map.size()",
    file=file@entry=0x7fc077214291 "librbd/ObjectMap.cc", line=line@entry=39,
    func=func@entry=0x7fc077214fa0 <librbd::ObjectMap::operator[](unsigned long)::__PRETTY_FUNCTION__> "ceph::BitVector<2u>::Reference librbd::ObjectMap::operator[](uint64_t)") at common/assert.cc:77
#7  0x00007fc07705c4ba in librbd::ObjectMap::operator[] (this=<optimized out>, object_no=<optimized out>) at librbd/ObjectMap.cc:39
#8  0x00007fc077065012 in update_object_map (new_state=0 '\000', this=0x7fc030001850) at librbd/RebuildObjectMapRequest.cc:140
#9  should_complete (r=<optimized out>, this=0x7fc030001850) at librbd/RebuildObjectMapRequest.cc:72
#10 librbd::(anonymous namespace)::C_VerifyObject::complete (this=0x7fc030001850, r=-2) at librbd/RebuildObjectMapRequest.cc:37
#11 0x00007fc0770a2cbc in librados::finish_aio_completion (c=0x7fc030001ad0, r=-2) at test/librados_test_stub/TestRadosClient.cc:47
#12 0x00007fc076f42a1a in operator() (a0=<optimized out>, this=<optimized out>)
    at /usr/include/boost/function/function_template.hpp:767
#13 FunctionContext::finish (this=<optimized out>, r=<optimized out>) at ./include/Context.h:460