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Bug #3600
closedrbd: assert in objectcacher destructor after flatten
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Description
From ubuntu@teuthology:/a/teuthology-2012-12-09_19:00:03-regression-master-testing-gcov/10977:
2012-12-09T22:20:17.777 INFO:teuthology.orchestra.run.out:131 write 0xef4cf97 thru 0xef503e3 (0x344d bytes)
2012-12-09T22:20:18.566 INFO:teuthology.orchestra.run.out:132 write 0x18d5c0e5 thru 0x18d5dc04 (0x1b20 bytes)
2012-12-09T22:20:18.613 INFO:teuthology.orchestra.run.out:133 read 0x3fb40df thru 0x3fb4fc2 (0xee4 bytes)
2012-12-09T22:20:18.616 INFO:teuthology.orchestra.run.out:135 punch from 0x5855ff3 to 0x58653fb, (0xf408 bytes)
2012-12-09T22:20:19.382 INFO:teuthology.orchestra.run.out:137 flatten
2012-12-09T22:20:20.280 DEBUG:teuthology.orchestra.run:Running: 'LD_LIBRARY_PRELOAD=/tmp/cephtest/binary/usr/local/lib /tmp/cephtest/enable-coredump /tmp/cephtest/binary/usr/local/bin/ceph-coverage /tmp/cephtest/archive/coverage /tmp/cephtest/binary/usr/local/bin/ceph -k /tmp/cephtest/ceph.keyring -c /tmp/cephtest/ceph.conf --concise -- pg dump --format=json'
2012-12-09T22:20:20.335 DEBUG:teuthology.orchestra.run:Running: 'LD_LIBRARY_PRELOAD=/tmp/cephtest/binary/usr/local/lib /tmp/cephtest/enable-coredump /tmp/cephtest/binary/usr/local/bin/ceph-coverage /tmp/cephtest/archive/coverage /tmp/cephtest/binary/usr/local/bin/ceph -k /tmp/cephtest/ceph.keyring -c /tmp/cephtest/ceph.conf --concise -s'
2012-12-09T22:20:20.443 INFO:teuthology.task.thrashosds.ceph_manager: health HEALTH_OK
monmap e1: 1 mons at {a=10.214.131.24:6789/0}, election epoch 2, quorum 0 a
osdmap e27: 6 osds: 6 up, 6 in
pgmap v59: 80 pgs: 80 active+clean; 30382 KB data, 1195 MB used, 2609 GB / 2750 GB avail
mdsmap e5: 1/1/1 up {0=a=up:active}
2012-12-09T22:20:20.443 INFO:teuthology.task.thrashosds.ceph_manager:recovered!
2012-12-09T22:20:20.443 INFO:teuthology.task.thrashosds.thrasher:choose_action: min_in 2 min_out 0 min_live 2 min_dead 0
2012-12-09T22:20:20.443 INFO:teuthology.task.thrashosds.thrasher:Removing osd 1, in_osds are: [2, 3, 4, 5, 1, 0]
2012-12-09T22:20:20.444 DEBUG:teuthology.orchestra.run:Running: 'LD_LIBRARY_PRELOAD=/tmp/cephtest/binary/usr/local/lib /tmp/cephtest/enable-coredump /tmp/cephtest/binary/usr/local/bin/ceph-coverage /tmp/cephtest/archive/coverage /tmp/cephtest/binary/usr/local/bin/ceph -k /tmp/cephtest/ceph.keyring -c /tmp/cephtest/ceph.conf --concise osd out 1'
2012-12-09T22:20:21.547 INFO:teuthology.orchestra.run.err:osdc/ObjectCacher.cc: In function 'ObjectCacher::~ObjectCacher()' thread 7faabdf44780 time 2012-12-09 22:19:56.019607
2012-12-09T22:20:21.548 INFO:teuthology.orchestra.run.err:osdc/ObjectCacher.cc: 517: FAILED assert(!i->size())
2012-12-09T22:20:21.567 INFO:teuthology.orchestra.run.err: ceph version 0.55-180-gd4c6a22 (d4c6a22d798ff6de1bee31824144aa33bbf5e608)
2012-12-09T22:20:21.567 INFO:teuthology.orchestra.run.err: 1: (ObjectCacher::~ObjectCacher()+0x26f) [0x7faabda838af]
2012-12-09T22:20:21.567 INFO:teuthology.orchestra.run.err: 2: (librbd::ImageCtx::~ImageCtx()+0x42) [0x7faabda51432]
2012-12-09T22:20:21.568 INFO:teuthology.orchestra.run.err: 3: (librbd::close_image(librbd::ImageCtx*)+0xbf) [0x7faabda66cef]
2012-12-09T22:20:21.568 INFO:teuthology.orchestra.run.err: 4: (librbd::refresh_parent(librbd::ImageCtx*)+0xa1) [0x7faabda67c71]
2012-12-09T22:20:21.568 INFO:teuthology.orchestra.run.err: 5: (librbd::ictx_refresh(librbd::ImageCtx*)+0xb8d) [0x7faabda5f46d]
2012-12-09T22:20:21.568 INFO:teuthology.orchestra.run.err: 6: (librbd::ictx_check(librbd::ImageCtx*)+0x185) [0x7faabda61385]
2012-12-09T22:20:21.568 INFO:teuthology.orchestra.run.err: 7: (librbd::info(librbd::ImageCtx*, rbd_image_info_t&, unsigned long)+0x121) [0x7faabda74b41]
2012-12-09T22:20:21.568 INFO:teuthology.orchestra.run.err: 8: (rbd_stat()+0x11) [0x7faabda384c1]
2012-12-09T22:20:21.569 INFO:teuthology.orchestra.run.err: 9: (check_size()+0x36) [0x404eb6]
2012-12-09T22:20:21.569 INFO:teuthology.orchestra.run.err: 10: (test()+0x58d) [0x40707d]
2012-12-09T22:20:21.569 INFO:teuthology.orchestra.run.err: 11: (main()+0xb33) [0x4039f3]
2012-12-09T22:20:21.569 INFO:teuthology.orchestra.run.err: 12: (__libc_start_main()+0xed) [0x7faabc3ae76d]
2012-12-09T22:20:21.569 INFO:teuthology.orchestra.run.err: 13: /tmp/cephtest/binary/usr/local/bin/test_librbd_fsx() [0x403ecd]
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