2015-12-05 16:30:11.265375 7f1d35c577c0  0 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9), process ceph-osd, pid 1941
2015-12-05 16:30:11.288984 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) dump_stop
2015-12-05 16:30:11.289421 7f1d35c577c0  1 -- :/0 messenger.start
2015-12-05 16:30:11.289472 7f1d35c577c0  1 -- :/538171159 mark_down_all
2015-12-05 16:30:11.289631 7f1d35c577c0  1 -- :/538171159 shutdown complete.
2015-12-05 16:30:11.289670 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mkfs in /var/lib/ceph/tmp/mnt.hsbJP2
2015-12-05 16:30:11.289707 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mkfs fsid is already set to cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
2015-12-05 16:30:11.289720 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) write_version_stamp 4
2015-12-05 16:30:11.305179 7f1d35c577c0  0 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) backend xfs (magic 0x58465342)
2015-12-05 16:30:11.326242 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) leveldb db exists/created
2015-12-05 16:30:11.326310 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) open_journal at /var/lib/ceph/tmp/mnt.hsbJP2/journal
2015-12-05 16:30:11.326965 7f1d35c577c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
2015-12-05 16:30:11.326993 7f1d35c577c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.hsbJP2/journal
2015-12-05 16:30:11.327041 7f1d35c577c0  1 journal _open /var/lib/ceph/tmp/mnt.hsbJP2/journal fd 11: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
2015-12-05 16:30:11.327059 7f1d35c577c0 10 journal read_header
2015-12-05 16:30:11.328958 7f1d35c577c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
2015-12-05 16:30:11.328983 7f1d35c577c0 10 journal header: start 245760
2015-12-05 16:30:11.328986 7f1d35c577c0 10 journal  write_pos 0
2015-12-05 16:30:11.328991 7f1d35c577c0  1 journal check: header looks ok
2015-12-05 16:30:11.329017 7f1d35c577c0  1 journal close /var/lib/ceph/tmp/mnt.hsbJP2/journal
2015-12-05 16:30:11.358906 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mkfs done in /var/lib/ceph/tmp/mnt.hsbJP2
2015-12-05 16:30:11.358989 7f1d35c577c0  5 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) basedir /var/lib/ceph/tmp/mnt.hsbJP2 journal /var/lib/ceph/tmp/mnt.hsbJP2/journal
2015-12-05 16:30:11.359032 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mount fsid is cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
2015-12-05 16:30:11.359057 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) version_stamp_is_valid was 4 vs target 4
2015-12-05 16:30:11.359086 7f1d35c577c0  0 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) backend xfs (magic 0x58465342)
2015-12-05 16:30:11.359603 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
2015-12-05 16:30:11.359619 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: SEEK_DATA/SEEK_HOLE is disabled via 'filestore seek data hole' config option
2015-12-05 16:30:11.359643 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: splice is supported
2015-12-05 16:30:11.364707 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
2015-12-05 16:30:11.364782 7f1d35c577c0  0 xfsfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: extsize is supported and your kernel >= 3.5
2015-12-05 16:30:11.365203 7f1d35c577c0  5 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mount op_seq is 1
2015-12-05 16:30:11.373961 7f1d35c577c0 20 filestore (init)dbobjectmap: seq is 1
2015-12-05 16:30:11.373980 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) open_journal at /var/lib/ceph/tmp/mnt.hsbJP2/journal
2015-12-05 16:30:11.374011 7f1d35c577c0  0 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled
2015-12-05 16:30:11.374020 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) list_collections
2015-12-05 16:30:11.374143 7f1d35c577c0 10 journal journal_replay fs op_seq 1
2015-12-05 16:30:11.374155 7f1d35c577c0  2 journal open /var/lib/ceph/tmp/mnt.hsbJP2/journal fsid cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed fs_op_seq 1
2015-12-05 16:30:11.374187 7f1d35c577c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
2015-12-05 16:30:11.374193 7f1d35c577c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.hsbJP2/journal
2015-12-05 16:30:11.374173 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry waiting for max_interval 5.000000
2015-12-05 16:30:11.374210 7f1d35c577c0  1 journal _open /var/lib/ceph/tmp/mnt.hsbJP2/journal fd 17: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
2015-12-05 16:30:11.374215 7f1d35c577c0 10 journal read_header
2015-12-05 16:30:11.390754 7f1d35c577c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
2015-12-05 16:30:11.390771 7f1d35c577c0 10 journal header: start 245760
2015-12-05 16:30:11.390773 7f1d35c577c0 10 journal  write_pos 4096
2015-12-05 16:30:11.390806 7f1d35c577c0 10 journal open header.fsid = cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
2015-12-05 16:30:11.518783 7f1d35c577c0  2 journal No further valid entries found, journal is most likely valid
2015-12-05 16:30:11.518823 7f1d35c577c0 10 journal open reached end of journal.
2015-12-05 16:30:11.518842 7f1d35c577c0 -1 journal Unable to read past sequence 2 but header indicates the journal has committed up through 20, journal is corrupt
2015-12-05 16:30:11.523995 7f1d35c577c0 -1 os/FileJournal.cc: In function 'bool FileJournal::read_entry(ceph::bufferlist&, uint64_t&, bool*)' thread 7f1d35c577c0 time 2015-12-05 16:30:11.518858
os/FileJournal.cc: 1907: FAILED assert(0)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f1d36595f25]
 2: (FileJournal::read_entry(ceph::buffer::list&, unsigned long&, bool*)+0x8ad) [0x7f1d363683ed]
 3: (JournalingObjectStore::journal_replay(unsigned long)+0x218) [0x7f1d362e2468]
 4: (FileStore::mount()+0x3caf) [0x7f1d362b9d8f]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x190) [0x7f1d35f997f0]
 6: (main()+0xb94) [0x7f1d35f3b414]
 7: (__libc_start_main()+0xf5) [0x7f1d32db8af5]
 8: (()+0x308e99) [0x7f1d35f7ce99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
   -75> 2015-12-05 16:30:11.259425 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command perfcounters_dump hook 0x7f1d3a178030
   -74> 2015-12-05 16:30:11.259462 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command 1 hook 0x7f1d3a178030
   -73> 2015-12-05 16:30:11.259465 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command perf dump hook 0x7f1d3a178030
   -72> 2015-12-05 16:30:11.259468 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command perfcounters_schema hook 0x7f1d3a178030
   -71> 2015-12-05 16:30:11.259470 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command 2 hook 0x7f1d3a178030
   -70> 2015-12-05 16:30:11.259474 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command perf schema hook 0x7f1d3a178030
   -69> 2015-12-05 16:30:11.259477 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command perf reset hook 0x7f1d3a178030
   -68> 2015-12-05 16:30:11.259479 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command config show hook 0x7f1d3a178030
   -67> 2015-12-05 16:30:11.259481 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command config set hook 0x7f1d3a178030
   -66> 2015-12-05 16:30:11.259484 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command config get hook 0x7f1d3a178030
   -65> 2015-12-05 16:30:11.259488 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command config diff hook 0x7f1d3a178030
   -64> 2015-12-05 16:30:11.259490 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command log flush hook 0x7f1d3a178030
   -63> 2015-12-05 16:30:11.259493 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command log dump hook 0x7f1d3a178030
   -62> 2015-12-05 16:30:11.259495 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command log reopen hook 0x7f1d3a178030
   -61> 2015-12-05 16:30:11.265275 7f1d35c577c0  0 set uid:gid to 167:167
   -60> 2015-12-05 16:30:11.265375 7f1d35c577c0  0 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9), process ceph-osd, pid 1941
   -59> 2015-12-05 16:30:11.288984 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) dump_stop
   -58> 2015-12-05 16:30:11.289013 7f1d35c577c0  5 asok(0x7f1d3a220000) init /var/run/ceph/ceph-osd.4.asok
   -57> 2015-12-05 16:30:11.289028 7f1d35c577c0  5 asok(0x7f1d3a220000) bind_and_listen /var/run/ceph/ceph-osd.4.asok
   -56> 2015-12-05 16:30:11.289163 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command 0 hook 0x7f1d3a1740c0
   -55> 2015-12-05 16:30:11.289176 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command version hook 0x7f1d3a1740c0
   -54> 2015-12-05 16:30:11.289181 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command git_version hook 0x7f1d3a1740c0
   -53> 2015-12-05 16:30:11.289184 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command help hook 0x7f1d3a178140
   -52> 2015-12-05 16:30:11.289186 7f1d35c577c0  5 asok(0x7f1d3a220000) register_command get_command_descriptions hook 0x7f1d3a178150
   -51> 2015-12-05 16:30:11.289240 7f1d35c577c0 10 monclient(hunting): build_initial_monmap
   -50> 2015-12-05 16:30:11.289240 7f1d309c1700  5 asok(0x7f1d3a220000) entry start
   -49> 2015-12-05 16:30:11.289316 7f1d35c577c0 10 monclient(hunting): get_monmap_privately
   -48> 2015-12-05 16:30:11.289421 7f1d35c577c0  1 -- :/0 messenger.start
   -47> 2015-12-05 16:30:11.289464 7f1d35c577c0 10 monclient(hunting): have 1 fsid 369e4618-1c88-464e-ad9c-87d4c005286a
   -46> 2015-12-05 16:30:11.289472 7f1d35c577c0  1 -- :/538171159 mark_down_all
   -45> 2015-12-05 16:30:11.289631 7f1d35c577c0  1 -- :/538171159 shutdown complete.
   -44> 2015-12-05 16:30:11.289670 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mkfs in /var/lib/ceph/tmp/mnt.hsbJP2
   -43> 2015-12-05 16:30:11.289707 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mkfs fsid is already set to cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
   -42> 2015-12-05 16:30:11.289720 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) write_version_stamp 4
   -41> 2015-12-05 16:30:11.305179 7f1d35c577c0  0 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) backend xfs (magic 0x58465342)
   -40> 2015-12-05 16:30:11.326242 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) leveldb db exists/created
   -39> 2015-12-05 16:30:11.326310 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) open_journal at /var/lib/ceph/tmp/mnt.hsbJP2/journal
   -38> 2015-12-05 16:30:11.326965 7f1d35c577c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
   -37> 2015-12-05 16:30:11.326993 7f1d35c577c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.hsbJP2/journal
   -36> 2015-12-05 16:30:11.327041 7f1d35c577c0  1 journal _open /var/lib/ceph/tmp/mnt.hsbJP2/journal fd 11: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
   -35> 2015-12-05 16:30:11.327059 7f1d35c577c0 10 journal read_header
   -34> 2015-12-05 16:30:11.328958 7f1d35c577c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
   -33> 2015-12-05 16:30:11.328983 7f1d35c577c0 10 journal header: start 245760
   -32> 2015-12-05 16:30:11.328986 7f1d35c577c0 10 journal  write_pos 0
   -31> 2015-12-05 16:30:11.328991 7f1d35c577c0  1 journal check: header looks ok
   -30> 2015-12-05 16:30:11.329017 7f1d35c577c0  1 journal close /var/lib/ceph/tmp/mnt.hsbJP2/journal
   -29> 2015-12-05 16:30:11.358906 7f1d35c577c0  1 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mkfs done in /var/lib/ceph/tmp/mnt.hsbJP2
   -28> 2015-12-05 16:30:11.358989 7f1d35c577c0  5 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) basedir /var/lib/ceph/tmp/mnt.hsbJP2 journal /var/lib/ceph/tmp/mnt.hsbJP2/journal
   -27> 2015-12-05 16:30:11.359032 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mount fsid is cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
   -26> 2015-12-05 16:30:11.359057 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) version_stamp_is_valid was 4 vs target 4
   -25> 2015-12-05 16:30:11.359086 7f1d35c577c0  0 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) backend xfs (magic 0x58465342)
   -24> 2015-12-05 16:30:11.359603 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
   -23> 2015-12-05 16:30:11.359619 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: SEEK_DATA/SEEK_HOLE is disabled via 'filestore seek data hole' config option
   -22> 2015-12-05 16:30:11.359643 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: splice is supported
   -21> 2015-12-05 16:30:11.364707 7f1d35c577c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
   -20> 2015-12-05 16:30:11.364782 7f1d35c577c0  0 xfsfilestorebackend(/var/lib/ceph/tmp/mnt.hsbJP2) detect_features: extsize is supported and your kernel >= 3.5
   -19> 2015-12-05 16:30:11.365203 7f1d35c577c0  5 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mount op_seq is 1
   -18> 2015-12-05 16:30:11.373961 7f1d35c577c0 20 filestore (init)dbobjectmap: seq is 1
   -17> 2015-12-05 16:30:11.373980 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) open_journal at /var/lib/ceph/tmp/mnt.hsbJP2/journal
   -16> 2015-12-05 16:30:11.374011 7f1d35c577c0  0 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled
   -15> 2015-12-05 16:30:11.374020 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) list_collections
   -14> 2015-12-05 16:30:11.374143 7f1d35c577c0 10 journal journal_replay fs op_seq 1
   -13> 2015-12-05 16:30:11.374155 7f1d35c577c0  2 journal open /var/lib/ceph/tmp/mnt.hsbJP2/journal fsid cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed fs_op_seq 1
   -12> 2015-12-05 16:30:11.374187 7f1d35c577c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
   -11> 2015-12-05 16:30:11.374193 7f1d35c577c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.hsbJP2/journal
   -10> 2015-12-05 16:30:11.374173 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry waiting for max_interval 5.000000
    -9> 2015-12-05 16:30:11.374210 7f1d35c577c0  1 journal _open /var/lib/ceph/tmp/mnt.hsbJP2/journal fd 17: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
    -8> 2015-12-05 16:30:11.374215 7f1d35c577c0 10 journal read_header
    -7> 2015-12-05 16:30:11.390754 7f1d35c577c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
    -6> 2015-12-05 16:30:11.390771 7f1d35c577c0 10 journal header: start 245760
    -5> 2015-12-05 16:30:11.390773 7f1d35c577c0 10 journal  write_pos 4096
    -4> 2015-12-05 16:30:11.390806 7f1d35c577c0 10 journal open header.fsid = cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
    -3> 2015-12-05 16:30:11.518783 7f1d35c577c0  2 journal No further valid entries found, journal is most likely valid
    -2> 2015-12-05 16:30:11.518823 7f1d35c577c0 10 journal open reached end of journal.
    -1> 2015-12-05 16:30:11.518842 7f1d35c577c0 -1 journal Unable to read past sequence 2 but header indicates the journal has committed up through 20, journal is corrupt
     0> 2015-12-05 16:30:11.523995 7f1d35c577c0 -1 os/FileJournal.cc: In function 'bool FileJournal::read_entry(ceph::bufferlist&, uint64_t&, bool*)' thread 7f1d35c577c0 time 2015-12-05 16:30:11.518858
os/FileJournal.cc: 1907: FAILED assert(0)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f1d36595f25]
 2: (FileJournal::read_entry(ceph::buffer::list&, unsigned long&, bool*)+0x8ad) [0x7f1d363683ed]
 3: (JournalingObjectStore::journal_replay(unsigned long)+0x218) [0x7f1d362e2468]
 4: (FileStore::mount()+0x3caf) [0x7f1d362b9d8f]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x190) [0x7f1d35f997f0]
 6: (main()+0xb94) [0x7f1d35f3b414]
 7: (__libc_start_main()+0xf5) [0x7f1d32db8af5]
 8: (()+0x308e99) [0x7f1d35f7ce99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
  20/20 osd
   0/ 5 optracker
   0/ 5 objclass
  20/20 filestore
   1/ 3 keyvaluestore
  20/20 journal
   1/ 1 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 newstore
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-osd.4.log
--- end dump of recent events ---
2015-12-05 16:30:11.524816 7f1d35c577c0 -1 OSD::mkfs: caught unknown exception.
2015-12-05 16:30:11.524838 7f1d35c577c0  5 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) umount /var/lib/ceph/tmp/mnt.hsbJP2
2015-12-05 16:30:11.524842 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) flush
2015-12-05 16:30:11.524847 7f1d35c577c0 10 journal waiting for completions to empty
2015-12-05 16:30:11.524849 7f1d35c577c0 10 journal flush waiting for finisher
2015-12-05 16:30:11.524859 7f1d35c577c0 10 journal flush done
2015-12-05 16:30:11.524860 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) flush draining ondisk finisher
2015-12-05 16:30:11.524863 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) _flush_op_queue draining op tp
2015-12-05 16:30:11.524868 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) _flush_op_queue waiting for apply finisher
2015-12-05 16:30:11.524871 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) flush complete
2015-12-05 16:30:11.524889 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) start_sync
2015-12-05 16:30:11.524891 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync waiting
2015-12-05 16:30:11.525086 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry force_sync set
2015-12-05 16:30:11.525121 7f1d301c0700 10 journal commit_start max_applied_seq 1, open_ops 0
2015-12-05 16:30:11.525126 7f1d301c0700 10 journal commit_start blocked, all open_ops have completed
2015-12-05 16:30:11.525128 7f1d301c0700 10 journal commit_start nothing to do
2015-12-05 16:30:11.525130 7f1d301c0700 10 journal commit_start
2015-12-05 16:30:11.525142 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry waiting for max_interval 5.000000
2015-12-05 16:30:11.525187 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync done
2015-12-05 16:30:11.525193 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) do_force_sync
2015-12-05 16:30:11.525226 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry force_sync set
2015-12-05 16:30:11.525231 7f1d301c0700 10 journal commit_start max_applied_seq 1, open_ops 0
2015-12-05 16:30:11.525233 7f1d301c0700 10 journal commit_start blocked, all open_ops have completed
2015-12-05 16:30:11.525234 7f1d301c0700 10 journal commit_start nothing to do
2015-12-05 16:30:11.525236 7f1d301c0700 10 journal commit_start
2015-12-05 16:30:11.529510 7f1d35c577c0 -1 common/config.cc: In function 'void md_config_t::remove_observer(md_config_obs_t*)' thread 7f1d35c577c0 time 2015-12-05 16:30:11.525429
common/config.cc: 198: FAILED assert(found_obs)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f1d36595f25]
 2: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f1d365be38c]
 3: (ThreadPool::stop(bool)+0x1e1) [0x7f1d36584111]
 4: (FileStore::umount()+0x193) [0x7f1d36291b33]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f1d35f99c98]
 6: (main()+0xb94) [0x7f1d35f3b414]
 7: (__libc_start_main()+0xf5) [0x7f1d32db8af5]
 8: (()+0x308e99) [0x7f1d35f7ce99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
   -25> 2015-12-05 16:30:11.524816 7f1d35c577c0 -1 OSD::mkfs: caught unknown exception.
   -24> 2015-12-05 16:30:11.524838 7f1d35c577c0  5 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) umount /var/lib/ceph/tmp/mnt.hsbJP2
   -23> 2015-12-05 16:30:11.524842 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) flush
   -22> 2015-12-05 16:30:11.524847 7f1d35c577c0 10 journal waiting for completions to empty
   -21> 2015-12-05 16:30:11.524849 7f1d35c577c0 10 journal flush waiting for finisher
   -20> 2015-12-05 16:30:11.524859 7f1d35c577c0 10 journal flush done
   -19> 2015-12-05 16:30:11.524860 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) flush draining ondisk finisher
   -18> 2015-12-05 16:30:11.524863 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) _flush_op_queue draining op tp
   -17> 2015-12-05 16:30:11.524868 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) _flush_op_queue waiting for apply finisher
   -16> 2015-12-05 16:30:11.524871 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) flush complete
   -15> 2015-12-05 16:30:11.524889 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) start_sync
   -14> 2015-12-05 16:30:11.524891 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync waiting
   -13> 2015-12-05 16:30:11.525086 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry force_sync set
   -12> 2015-12-05 16:30:11.525121 7f1d301c0700 10 journal commit_start max_applied_seq 1, open_ops 0
   -11> 2015-12-05 16:30:11.525126 7f1d301c0700 10 journal commit_start blocked, all open_ops have completed
   -10> 2015-12-05 16:30:11.525128 7f1d301c0700 10 journal commit_start nothing to do
    -9> 2015-12-05 16:30:11.525130 7f1d301c0700 10 journal commit_start
    -8> 2015-12-05 16:30:11.525142 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry waiting for max_interval 5.000000
    -7> 2015-12-05 16:30:11.525187 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync done
    -6> 2015-12-05 16:30:11.525193 7f1d35c577c0 10 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) do_force_sync
    -5> 2015-12-05 16:30:11.525226 7f1d301c0700 20 filestore(/var/lib/ceph/tmp/mnt.hsbJP2) sync_entry force_sync set
    -4> 2015-12-05 16:30:11.525231 7f1d301c0700 10 journal commit_start max_applied_seq 1, open_ops 0
    -3> 2015-12-05 16:30:11.525233 7f1d301c0700 10 journal commit_start blocked, all open_ops have completed
    -2> 2015-12-05 16:30:11.525234 7f1d301c0700 10 journal commit_start nothing to do
    -1> 2015-12-05 16:30:11.525236 7f1d301c0700 10 journal commit_start
     0> 2015-12-05 16:30:11.529510 7f1d35c577c0 -1 common/config.cc: In function 'void md_config_t::remove_observer(md_config_obs_t*)' thread 7f1d35c577c0 time 2015-12-05 16:30:11.525429
common/config.cc: 198: FAILED assert(found_obs)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f1d36595f25]
 2: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f1d365be38c]
 3: (ThreadPool::stop(bool)+0x1e1) [0x7f1d36584111]
 4: (FileStore::umount()+0x193) [0x7f1d36291b33]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f1d35f99c98]
 6: (main()+0xb94) [0x7f1d35f3b414]
 7: (__libc_start_main()+0xf5) [0x7f1d32db8af5]
 8: (()+0x308e99) [0x7f1d35f7ce99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
  20/20 osd
   0/ 5 optracker
   0/ 5 objclass
  20/20 filestore
   1/ 3 keyvaluestore
  20/20 journal
   1/ 1 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 newstore
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-osd.4.log
--- end dump of recent events ---
2015-12-05 16:30:11.532353 7f1d35c577c0 -1 *** Caught signal (Aborted) **
 in thread 7f1d35c577c0

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (()+0x827632) [0x7f1d3649b632]
 2: (()+0xf130) [0x7f1d345ec130]
 3: (gsignal()+0x37) [0x7f1d32dcc5d7]
 4: (abort()+0x148) [0x7f1d32dcdcc8]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f1d336d09b5]
 6: (()+0x5e926) [0x7f1d336ce926]
 7: (()+0x5e953) [0x7f1d336ce953]
 8: (()+0x5eb73) [0x7f1d336ceb73]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x27a) [0x7f1d3659611a]
 10: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f1d365be38c]
 11: (ThreadPool::stop(bool)+0x1e1) [0x7f1d36584111]
 12: (FileStore::umount()+0x193) [0x7f1d36291b33]
 13: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f1d35f99c98]
 14: (main()+0xb94) [0x7f1d35f3b414]
 15: (__libc_start_main()+0xf5) [0x7f1d32db8af5]
 16: (()+0x308e99) [0x7f1d35f7ce99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
     0> 2015-12-05 16:30:11.532353 7f1d35c577c0 -1 *** Caught signal (Aborted) **
 in thread 7f1d35c577c0

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (()+0x827632) [0x7f1d3649b632]
 2: (()+0xf130) [0x7f1d345ec130]
 3: (gsignal()+0x37) [0x7f1d32dcc5d7]
 4: (abort()+0x148) [0x7f1d32dcdcc8]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f1d336d09b5]
 6: (()+0x5e926) [0x7f1d336ce926]
 7: (()+0x5e953) [0x7f1d336ce953]
 8: (()+0x5eb73) [0x7f1d336ceb73]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x27a) [0x7f1d3659611a]
 10: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f1d365be38c]
 11: (ThreadPool::stop(bool)+0x1e1) [0x7f1d36584111]
 12: (FileStore::umount()+0x193) [0x7f1d36291b33]
 13: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f1d35f99c98]
 14: (main()+0xb94) [0x7f1d35f3b414]
 15: (__libc_start_main()+0xf5) [0x7f1d32db8af5]
 16: (()+0x308e99) [0x7f1d35f7ce99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
  20/20 osd
   0/ 5 optracker
   0/ 5 objclass
  20/20 filestore
   1/ 3 keyvaluestore
  20/20 journal
   1/ 1 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 newstore
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-osd.4.log
--- end dump of recent events ---
2015-12-05 16:30:15.390901 7f2664cbc7c0  0 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9), process ceph-osd, pid 2015
2015-12-05 16:30:15.415188 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) dump_stop
2015-12-05 16:30:15.415662 7f2664cbc7c0  1 -- :/0 messenger.start
2015-12-05 16:30:15.415696 7f2664cbc7c0  1 -- :/3918120233 mark_down_all
2015-12-05 16:30:15.415826 7f2664cbc7c0  1 -- :/3918120233 shutdown complete.
2015-12-05 16:30:15.415850 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mkfs in /var/lib/ceph/tmp/mnt.Bch3JW
2015-12-05 16:30:15.415876 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mkfs fsid is already set to cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
2015-12-05 16:30:15.415886 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) write_version_stamp 4
2015-12-05 16:30:15.418327 7f2664cbc7c0  0 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) backend xfs (magic 0x58465342)
2015-12-05 16:30:15.441177 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) leveldb db exists/created
2015-12-05 16:30:15.441234 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) open_journal at /var/lib/ceph/tmp/mnt.Bch3JW/journal
2015-12-05 16:30:15.441443 7f2664cbc7c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
2015-12-05 16:30:15.441466 7f2664cbc7c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.Bch3JW/journal
2015-12-05 16:30:15.441488 7f2664cbc7c0  1 journal _open /var/lib/ceph/tmp/mnt.Bch3JW/journal fd 11: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
2015-12-05 16:30:15.441497 7f2664cbc7c0 10 journal read_header
2015-12-05 16:30:15.443136 7f2664cbc7c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
2015-12-05 16:30:15.443155 7f2664cbc7c0 10 journal header: start 245760
2015-12-05 16:30:15.443158 7f2664cbc7c0 10 journal  write_pos 0
2015-12-05 16:30:15.443162 7f2664cbc7c0  1 journal check: header looks ok
2015-12-05 16:30:15.443172 7f2664cbc7c0  1 journal close /var/lib/ceph/tmp/mnt.Bch3JW/journal
2015-12-05 16:30:15.501158 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mkfs done in /var/lib/ceph/tmp/mnt.Bch3JW
2015-12-05 16:30:15.501215 7f2664cbc7c0  5 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) basedir /var/lib/ceph/tmp/mnt.Bch3JW journal /var/lib/ceph/tmp/mnt.Bch3JW/journal
2015-12-05 16:30:15.501261 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mount fsid is cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
2015-12-05 16:30:15.501315 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) version_stamp_is_valid was 4 vs target 4
2015-12-05 16:30:15.501373 7f2664cbc7c0  0 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) backend xfs (magic 0x58465342)
2015-12-05 16:30:15.509653 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
2015-12-05 16:30:15.509693 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: SEEK_DATA/SEEK_HOLE is disabled via 'filestore seek data hole' config option
2015-12-05 16:30:15.509746 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: splice is supported
2015-12-05 16:30:15.515329 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
2015-12-05 16:30:15.515485 7f2664cbc7c0  0 xfsfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: extsize is supported and your kernel >= 3.5
2015-12-05 16:30:15.516267 7f2664cbc7c0  5 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mount op_seq is 1
2015-12-05 16:30:15.526622 7f2664cbc7c0 20 filestore (init)dbobjectmap: seq is 1
2015-12-05 16:30:15.526668 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) open_journal at /var/lib/ceph/tmp/mnt.Bch3JW/journal
2015-12-05 16:30:15.526720 7f2664cbc7c0  0 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled
2015-12-05 16:30:15.526732 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) list_collections
2015-12-05 16:30:15.526923 7f2664cbc7c0 10 journal journal_replay fs op_seq 1
2015-12-05 16:30:15.526948 7f2664cbc7c0  2 journal open /var/lib/ceph/tmp/mnt.Bch3JW/journal fsid cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed fs_op_seq 1
2015-12-05 16:30:15.527004 7f2664cbc7c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
2015-12-05 16:30:15.526971 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry waiting for max_interval 5.000000
2015-12-05 16:30:15.527016 7f2664cbc7c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.Bch3JW/journal
2015-12-05 16:30:15.527045 7f2664cbc7c0  1 journal _open /var/lib/ceph/tmp/mnt.Bch3JW/journal fd 17: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
2015-12-05 16:30:15.527069 7f2664cbc7c0 10 journal read_header
2015-12-05 16:30:15.540936 7f2664cbc7c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
2015-12-05 16:30:15.540961 7f2664cbc7c0 10 journal header: start 245760
2015-12-05 16:30:15.540964 7f2664cbc7c0 10 journal  write_pos 4096
2015-12-05 16:30:15.540971 7f2664cbc7c0 10 journal open header.fsid = cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
2015-12-05 16:30:15.668964 7f2664cbc7c0  2 journal No further valid entries found, journal is most likely valid
2015-12-05 16:30:15.669006 7f2664cbc7c0 10 journal open reached end of journal.
2015-12-05 16:30:15.669028 7f2664cbc7c0 -1 journal Unable to read past sequence 2 but header indicates the journal has committed up through 20, journal is corrupt
2015-12-05 16:30:15.673736 7f2664cbc7c0 -1 os/FileJournal.cc: In function 'bool FileJournal::read_entry(ceph::bufferlist&, uint64_t&, bool*)' thread 7f2664cbc7c0 time 2015-12-05 16:30:15.669047
os/FileJournal.cc: 1907: FAILED assert(0)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f26655faf25]
 2: (FileJournal::read_entry(ceph::buffer::list&, unsigned long&, bool*)+0x8ad) [0x7f26653cd3ed]
 3: (JournalingObjectStore::journal_replay(unsigned long)+0x218) [0x7f2665347468]
 4: (FileStore::mount()+0x3caf) [0x7f266531ed8f]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x190) [0x7f2664ffe7f0]
 6: (main()+0xb94) [0x7f2664fa0414]
 7: (__libc_start_main()+0xf5) [0x7f2661e1daf5]
 8: (()+0x308e99) [0x7f2664fe1e99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
   -75> 2015-12-05 16:30:15.384988 7f2664cbc7c0  5 asok(0x7f26690be000) register_command perfcounters_dump hook 0x7f2669016030
   -74> 2015-12-05 16:30:15.385016 7f2664cbc7c0  5 asok(0x7f26690be000) register_command 1 hook 0x7f2669016030
   -73> 2015-12-05 16:30:15.385022 7f2664cbc7c0  5 asok(0x7f26690be000) register_command perf dump hook 0x7f2669016030
   -72> 2015-12-05 16:30:15.385025 7f2664cbc7c0  5 asok(0x7f26690be000) register_command perfcounters_schema hook 0x7f2669016030
   -71> 2015-12-05 16:30:15.385027 7f2664cbc7c0  5 asok(0x7f26690be000) register_command 2 hook 0x7f2669016030
   -70> 2015-12-05 16:30:15.385028 7f2664cbc7c0  5 asok(0x7f26690be000) register_command perf schema hook 0x7f2669016030
   -69> 2015-12-05 16:30:15.385031 7f2664cbc7c0  5 asok(0x7f26690be000) register_command perf reset hook 0x7f2669016030
   -68> 2015-12-05 16:30:15.385033 7f2664cbc7c0  5 asok(0x7f26690be000) register_command config show hook 0x7f2669016030
   -67> 2015-12-05 16:30:15.385035 7f2664cbc7c0  5 asok(0x7f26690be000) register_command config set hook 0x7f2669016030
   -66> 2015-12-05 16:30:15.385039 7f2664cbc7c0  5 asok(0x7f26690be000) register_command config get hook 0x7f2669016030
   -65> 2015-12-05 16:30:15.385041 7f2664cbc7c0  5 asok(0x7f26690be000) register_command config diff hook 0x7f2669016030
   -64> 2015-12-05 16:30:15.385043 7f2664cbc7c0  5 asok(0x7f26690be000) register_command log flush hook 0x7f2669016030
   -63> 2015-12-05 16:30:15.385051 7f2664cbc7c0  5 asok(0x7f26690be000) register_command log dump hook 0x7f2669016030
   -62> 2015-12-05 16:30:15.385054 7f2664cbc7c0  5 asok(0x7f26690be000) register_command log reopen hook 0x7f2669016030
   -61> 2015-12-05 16:30:15.390790 7f2664cbc7c0  0 set uid:gid to 167:167
   -60> 2015-12-05 16:30:15.390901 7f2664cbc7c0  0 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9), process ceph-osd, pid 2015
   -59> 2015-12-05 16:30:15.415188 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) dump_stop
   -58> 2015-12-05 16:30:15.415211 7f2664cbc7c0  5 asok(0x7f26690be000) init /var/run/ceph/ceph-osd.4.asok
   -57> 2015-12-05 16:30:15.415221 7f2664cbc7c0  5 asok(0x7f26690be000) bind_and_listen /var/run/ceph/ceph-osd.4.asok
   -56> 2015-12-05 16:30:15.415447 7f2664cbc7c0  5 asok(0x7f26690be000) register_command 0 hook 0x7f26690120c0
   -55> 2015-12-05 16:30:15.415462 7f2664cbc7c0  5 asok(0x7f26690be000) register_command version hook 0x7f26690120c0
   -54> 2015-12-05 16:30:15.415465 7f2664cbc7c0  5 asok(0x7f26690be000) register_command git_version hook 0x7f26690120c0
   -53> 2015-12-05 16:30:15.415468 7f2664cbc7c0  5 asok(0x7f26690be000) register_command help hook 0x7f2669016140
   -52> 2015-12-05 16:30:15.415471 7f2664cbc7c0  5 asok(0x7f26690be000) register_command get_command_descriptions hook 0x7f2669016150
   -51> 2015-12-05 16:30:15.415518 7f2664cbc7c0 10 monclient(hunting): build_initial_monmap
   -50> 2015-12-05 16:30:15.415529 7f265fa26700  5 asok(0x7f26690be000) entry start
   -49> 2015-12-05 16:30:15.415568 7f2664cbc7c0 10 monclient(hunting): get_monmap_privately
   -48> 2015-12-05 16:30:15.415662 7f2664cbc7c0  1 -- :/0 messenger.start
   -47> 2015-12-05 16:30:15.415691 7f2664cbc7c0 10 monclient(hunting): have 1 fsid 369e4618-1c88-464e-ad9c-87d4c005286a
   -46> 2015-12-05 16:30:15.415696 7f2664cbc7c0  1 -- :/3918120233 mark_down_all
   -45> 2015-12-05 16:30:15.415826 7f2664cbc7c0  1 -- :/3918120233 shutdown complete.
   -44> 2015-12-05 16:30:15.415850 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mkfs in /var/lib/ceph/tmp/mnt.Bch3JW
   -43> 2015-12-05 16:30:15.415876 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mkfs fsid is already set to cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
   -42> 2015-12-05 16:30:15.415886 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) write_version_stamp 4
   -41> 2015-12-05 16:30:15.418327 7f2664cbc7c0  0 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) backend xfs (magic 0x58465342)
   -40> 2015-12-05 16:30:15.441177 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) leveldb db exists/created
   -39> 2015-12-05 16:30:15.441234 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) open_journal at /var/lib/ceph/tmp/mnt.Bch3JW/journal
   -38> 2015-12-05 16:30:15.441443 7f2664cbc7c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
   -37> 2015-12-05 16:30:15.441466 7f2664cbc7c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.Bch3JW/journal
   -36> 2015-12-05 16:30:15.441488 7f2664cbc7c0  1 journal _open /var/lib/ceph/tmp/mnt.Bch3JW/journal fd 11: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
   -35> 2015-12-05 16:30:15.441497 7f2664cbc7c0 10 journal read_header
   -34> 2015-12-05 16:30:15.443136 7f2664cbc7c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
   -33> 2015-12-05 16:30:15.443155 7f2664cbc7c0 10 journal header: start 245760
   -32> 2015-12-05 16:30:15.443158 7f2664cbc7c0 10 journal  write_pos 0
   -31> 2015-12-05 16:30:15.443162 7f2664cbc7c0  1 journal check: header looks ok
   -30> 2015-12-05 16:30:15.443172 7f2664cbc7c0  1 journal close /var/lib/ceph/tmp/mnt.Bch3JW/journal
   -29> 2015-12-05 16:30:15.501158 7f2664cbc7c0  1 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mkfs done in /var/lib/ceph/tmp/mnt.Bch3JW
   -28> 2015-12-05 16:30:15.501215 7f2664cbc7c0  5 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) basedir /var/lib/ceph/tmp/mnt.Bch3JW journal /var/lib/ceph/tmp/mnt.Bch3JW/journal
   -27> 2015-12-05 16:30:15.501261 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mount fsid is cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
   -26> 2015-12-05 16:30:15.501315 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) version_stamp_is_valid was 4 vs target 4
   -25> 2015-12-05 16:30:15.501373 7f2664cbc7c0  0 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) backend xfs (magic 0x58465342)
   -24> 2015-12-05 16:30:15.509653 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
   -23> 2015-12-05 16:30:15.509693 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: SEEK_DATA/SEEK_HOLE is disabled via 'filestore seek data hole' config option
   -22> 2015-12-05 16:30:15.509746 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: splice is supported
   -21> 2015-12-05 16:30:15.515329 7f2664cbc7c0  0 genericfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
   -20> 2015-12-05 16:30:15.515485 7f2664cbc7c0  0 xfsfilestorebackend(/var/lib/ceph/tmp/mnt.Bch3JW) detect_features: extsize is supported and your kernel >= 3.5
   -19> 2015-12-05 16:30:15.516267 7f2664cbc7c0  5 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mount op_seq is 1
   -18> 2015-12-05 16:30:15.526622 7f2664cbc7c0 20 filestore (init)dbobjectmap: seq is 1
   -17> 2015-12-05 16:30:15.526668 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) open_journal at /var/lib/ceph/tmp/mnt.Bch3JW/journal
   -16> 2015-12-05 16:30:15.526720 7f2664cbc7c0  0 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled
   -15> 2015-12-05 16:30:15.526732 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) list_collections
   -14> 2015-12-05 16:30:15.526923 7f2664cbc7c0 10 journal journal_replay fs op_seq 1
   -13> 2015-12-05 16:30:15.526948 7f2664cbc7c0  2 journal open /var/lib/ceph/tmp/mnt.Bch3JW/journal fsid cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed fs_op_seq 1
   -12> 2015-12-05 16:30:15.527004 7f2664cbc7c0 10 journal _open_block_device: ignoring osd journal size. We'll use the entire block device (size: 103809536)
   -11> 2015-12-05 16:30:15.526971 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry waiting for max_interval 5.000000
   -10> 2015-12-05 16:30:15.527016 7f2664cbc7c0 10 journal _check_disk_write_cache: not root, NOT checking disk write cache on raw block device /var/lib/ceph/tmp/mnt.Bch3JW/journal
    -9> 2015-12-05 16:30:15.527045 7f2664cbc7c0  1 journal _open /var/lib/ceph/tmp/mnt.Bch3JW/journal fd 17: 103809024 bytes, block size 4096 bytes, directio = 1, aio = 1
    -8> 2015-12-05 16:30:15.527069 7f2664cbc7c0 10 journal read_header
    -7> 2015-12-05 16:30:15.540936 7f2664cbc7c0 10 journal header: block_size 4096 alignment 4096 max_size 103809024
    -6> 2015-12-05 16:30:15.540961 7f2664cbc7c0 10 journal header: start 245760
    -5> 2015-12-05 16:30:15.540964 7f2664cbc7c0 10 journal  write_pos 4096
    -4> 2015-12-05 16:30:15.540971 7f2664cbc7c0 10 journal open header.fsid = cfa4d906-2c4e-4545-98f1-82a2f7ccc6ed
    -3> 2015-12-05 16:30:15.668964 7f2664cbc7c0  2 journal No further valid entries found, journal is most likely valid
    -2> 2015-12-05 16:30:15.669006 7f2664cbc7c0 10 journal open reached end of journal.
    -1> 2015-12-05 16:30:15.669028 7f2664cbc7c0 -1 journal Unable to read past sequence 2 but header indicates the journal has committed up through 20, journal is corrupt
     0> 2015-12-05 16:30:15.673736 7f2664cbc7c0 -1 os/FileJournal.cc: In function 'bool FileJournal::read_entry(ceph::bufferlist&, uint64_t&, bool*)' thread 7f2664cbc7c0 time 2015-12-05 16:30:15.669047
os/FileJournal.cc: 1907: FAILED assert(0)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f26655faf25]
 2: (FileJournal::read_entry(ceph::buffer::list&, unsigned long&, bool*)+0x8ad) [0x7f26653cd3ed]
 3: (JournalingObjectStore::journal_replay(unsigned long)+0x218) [0x7f2665347468]
 4: (FileStore::mount()+0x3caf) [0x7f266531ed8f]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x190) [0x7f2664ffe7f0]
 6: (main()+0xb94) [0x7f2664fa0414]
 7: (__libc_start_main()+0xf5) [0x7f2661e1daf5]
 8: (()+0x308e99) [0x7f2664fe1e99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
  20/20 osd
   0/ 5 optracker
   0/ 5 objclass
  20/20 filestore
   1/ 3 keyvaluestore
  20/20 journal
   1/ 1 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 newstore
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-osd.4.log
--- end dump of recent events ---
2015-12-05 16:30:15.674566 7f2664cbc7c0 -1 OSD::mkfs: caught unknown exception.
2015-12-05 16:30:15.674583 7f2664cbc7c0  5 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) umount /var/lib/ceph/tmp/mnt.Bch3JW
2015-12-05 16:30:15.674586 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) flush
2015-12-05 16:30:15.674591 7f2664cbc7c0 10 journal waiting for completions to empty
2015-12-05 16:30:15.674594 7f2664cbc7c0 10 journal flush waiting for finisher
2015-12-05 16:30:15.674600 7f2664cbc7c0 10 journal flush done
2015-12-05 16:30:15.674601 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) flush draining ondisk finisher
2015-12-05 16:30:15.674604 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) _flush_op_queue draining op tp
2015-12-05 16:30:15.674609 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) _flush_op_queue waiting for apply finisher
2015-12-05 16:30:15.674612 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) flush complete
2015-12-05 16:30:15.674629 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) start_sync
2015-12-05 16:30:15.674632 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync waiting
2015-12-05 16:30:15.674905 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry force_sync set
2015-12-05 16:30:15.674921 7f265f225700 10 journal commit_start max_applied_seq 1, open_ops 0
2015-12-05 16:30:15.674925 7f265f225700 10 journal commit_start blocked, all open_ops have completed
2015-12-05 16:30:15.674927 7f265f225700 10 journal commit_start nothing to do
2015-12-05 16:30:15.674930 7f265f225700 10 journal commit_start
2015-12-05 16:30:15.674943 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry waiting for max_interval 5.000000
2015-12-05 16:30:15.674981 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync done
2015-12-05 16:30:15.674987 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) do_force_sync
2015-12-05 16:30:15.675009 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry force_sync set
2015-12-05 16:30:15.675014 7f265f225700 10 journal commit_start max_applied_seq 1, open_ops 0
2015-12-05 16:30:15.675016 7f265f225700 10 journal commit_start blocked, all open_ops have completed
2015-12-05 16:30:15.675017 7f265f225700 10 journal commit_start nothing to do
2015-12-05 16:30:15.675019 7f265f225700 10 journal commit_start
2015-12-05 16:30:15.679658 7f2664cbc7c0 -1 common/config.cc: In function 'void md_config_t::remove_observer(md_config_obs_t*)' thread 7f2664cbc7c0 time 2015-12-05 16:30:15.675242
common/config.cc: 198: FAILED assert(found_obs)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f26655faf25]
 2: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f266562338c]
 3: (ThreadPool::stop(bool)+0x1e1) [0x7f26655e9111]
 4: (FileStore::umount()+0x193) [0x7f26652f6b33]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f2664ffec98]
 6: (main()+0xb94) [0x7f2664fa0414]
 7: (__libc_start_main()+0xf5) [0x7f2661e1daf5]
 8: (()+0x308e99) [0x7f2664fe1e99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
   -25> 2015-12-05 16:30:15.674566 7f2664cbc7c0 -1 OSD::mkfs: caught unknown exception.
   -24> 2015-12-05 16:30:15.674583 7f2664cbc7c0  5 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) umount /var/lib/ceph/tmp/mnt.Bch3JW
   -23> 2015-12-05 16:30:15.674586 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) flush
   -22> 2015-12-05 16:30:15.674591 7f2664cbc7c0 10 journal waiting for completions to empty
   -21> 2015-12-05 16:30:15.674594 7f2664cbc7c0 10 journal flush waiting for finisher
   -20> 2015-12-05 16:30:15.674600 7f2664cbc7c0 10 journal flush done
   -19> 2015-12-05 16:30:15.674601 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) flush draining ondisk finisher
   -18> 2015-12-05 16:30:15.674604 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) _flush_op_queue draining op tp
   -17> 2015-12-05 16:30:15.674609 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) _flush_op_queue waiting for apply finisher
   -16> 2015-12-05 16:30:15.674612 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) flush complete
   -15> 2015-12-05 16:30:15.674629 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) start_sync
   -14> 2015-12-05 16:30:15.674632 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync waiting
   -13> 2015-12-05 16:30:15.674905 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry force_sync set
   -12> 2015-12-05 16:30:15.674921 7f265f225700 10 journal commit_start max_applied_seq 1, open_ops 0
   -11> 2015-12-05 16:30:15.674925 7f265f225700 10 journal commit_start blocked, all open_ops have completed
   -10> 2015-12-05 16:30:15.674927 7f265f225700 10 journal commit_start nothing to do
    -9> 2015-12-05 16:30:15.674930 7f265f225700 10 journal commit_start
    -8> 2015-12-05 16:30:15.674943 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry waiting for max_interval 5.000000
    -7> 2015-12-05 16:30:15.674981 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync done
    -6> 2015-12-05 16:30:15.674987 7f2664cbc7c0 10 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) do_force_sync
    -5> 2015-12-05 16:30:15.675009 7f265f225700 20 filestore(/var/lib/ceph/tmp/mnt.Bch3JW) sync_entry force_sync set
    -4> 2015-12-05 16:30:15.675014 7f265f225700 10 journal commit_start max_applied_seq 1, open_ops 0
    -3> 2015-12-05 16:30:15.675016 7f265f225700 10 journal commit_start blocked, all open_ops have completed
    -2> 2015-12-05 16:30:15.675017 7f265f225700 10 journal commit_start nothing to do
    -1> 2015-12-05 16:30:15.675019 7f265f225700 10 journal commit_start
     0> 2015-12-05 16:30:15.679658 7f2664cbc7c0 -1 common/config.cc: In function 'void md_config_t::remove_observer(md_config_obs_t*)' thread 7f2664cbc7c0 time 2015-12-05 16:30:15.675242
common/config.cc: 198: FAILED assert(found_obs)

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f26655faf25]
 2: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f266562338c]
 3: (ThreadPool::stop(bool)+0x1e1) [0x7f26655e9111]
 4: (FileStore::umount()+0x193) [0x7f26652f6b33]
 5: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f2664ffec98]
 6: (main()+0xb94) [0x7f2664fa0414]
 7: (__libc_start_main()+0xf5) [0x7f2661e1daf5]
 8: (()+0x308e99) [0x7f2664fe1e99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
  20/20 osd
   0/ 5 optracker
   0/ 5 objclass
  20/20 filestore
   1/ 3 keyvaluestore
  20/20 journal
   1/ 1 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 newstore
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-osd.4.log
--- end dump of recent events ---
2015-12-05 16:30:15.682879 7f2664cbc7c0 -1 *** Caught signal (Aborted) **
 in thread 7f2664cbc7c0

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (()+0x827632) [0x7f2665500632]
 2: (()+0xf130) [0x7f2663651130]
 3: (gsignal()+0x37) [0x7f2661e315d7]
 4: (abort()+0x148) [0x7f2661e32cc8]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f26627359b5]
 6: (()+0x5e926) [0x7f2662733926]
 7: (()+0x5e953) [0x7f2662733953]
 8: (()+0x5eb73) [0x7f2662733b73]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x27a) [0x7f26655fb11a]
 10: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f266562338c]
 11: (ThreadPool::stop(bool)+0x1e1) [0x7f26655e9111]
 12: (FileStore::umount()+0x193) [0x7f26652f6b33]
 13: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f2664ffec98]
 14: (main()+0xb94) [0x7f2664fa0414]
 15: (__libc_start_main()+0xf5) [0x7f2661e1daf5]
 16: (()+0x308e99) [0x7f2664fe1e99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
     0> 2015-12-05 16:30:15.682879 7f2664cbc7c0 -1 *** Caught signal (Aborted) **
 in thread 7f2664cbc7c0

 ceph version 10.0.0-855-g15a81bb (15a81bb7121799ba1b71b88b356998ebc8effec9)
 1: (()+0x827632) [0x7f2665500632]
 2: (()+0xf130) [0x7f2663651130]
 3: (gsignal()+0x37) [0x7f2661e315d7]
 4: (abort()+0x148) [0x7f2661e32cc8]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f26627359b5]
 6: (()+0x5e926) [0x7f2662733926]
 7: (()+0x5e953) [0x7f2662733953]
 8: (()+0x5eb73) [0x7f2662733b73]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x27a) [0x7f26655fb11a]
 10: (md_config_t::remove_observer(md_config_obs_t*)+0xfc) [0x7f266562338c]
 11: (ThreadPool::stop(bool)+0x1e1) [0x7f26655e9111]
 12: (FileStore::umount()+0x193) [0x7f26652f6b33]
 13: (OSD::mkfs(CephContext*, ObjectStore*, std::string const&, uuid_d, int)+0x638) [0x7f2664ffec98]
 14: (main()+0xb94) [0x7f2664fa0414]
 15: (__libc_start_main()+0xf5) [0x7f2661e1daf5]
 16: (()+0x308e99) [0x7f2664fe1e99]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
  20/20 osd
   0/ 5 optracker
   0/ 5 objclass
  20/20 filestore
   1/ 3 keyvaluestore
  20/20 journal
   1/ 1 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 newstore
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-osd.4.log
--- end dump of recent events ---