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Bug #2077
closedmon: assert in Paxos::is_consistent
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Description
I tripped across a bug when adding a new monitor into an existing cluster
(see attached). I was on GIT commit
4b3bb5ab37a05fa001d59f24da7d9c30d650321b.
I found that the function 'bool Paxos::is_consistent()' was added in commit
0bd545f5d6beb790e67fe2ee61f57d2ed6332531.
I reset back to commit 3a7bb9999b49641ee28cac91e493aa4c231ede54 (it's
parent) and it has gone away.
2012-02-17 11:39:07.798469 b6efc710 mon.2a597b6ca798c9cd55a43279598b81a328df7a3c_3@-1(probing).mds e6 update_logger 2012-02-17 11:39:07.798480 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_bl osdmap/latest No such file or directory 2012-02-17 11:39:07.798490 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_int logm/last_committed = 149 2012-02-17 11:39:07.798495 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_int logm/first_committed = 1 2012-02-17 11:39:07.798501 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) reading at off 0 of 9328 2012-02-17 11:39:07.798509 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_bl logm/latest = 9328 bytes 2012-02-17 11:39:07.798515 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_int logm/slurping = 0 2012-02-17 11:39:07.798521 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) reading at off 0 of 9328 2012-02-17 11:39:07.798525 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_bl logm/latest = 9328 bytes 2012-02-17 11:39:07.798530 b6efc710 mon.2a597b6ca798c9cd55a43279598b81a328df7a3c_3@-1(probing).log v149 update_from_paxos loading summary e149 2012-02-17 11:39:07.798722 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_int monmap/last_committed = 1 2012-02-17 11:39:07.798727 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_int monmap/first_committed = 1 2012-02-17 11:39:07.798731 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_bl monmap/latest No such file or directory 2012-02-17 11:39:07.798736 b6efc710 store(/ceph/mon/disk7dc86aa3e88a9a2def2153a3f6c127e44deec449/mondata) get_int monmap/slurping = 0 mon/Paxos.cc: In function 'bool Paxos::is_consistent()' thread b6efc710 time 2012-02-17 11:39:07.798742 mon/Paxos.cc: 1081: FAILED assert(consistent || (slurping == 1)) ceph version 0.41-369-g4b3bb5a (commit:4b3bb5ab37a05fa001d59f24da7d9c30d650321b) 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0xa4) [0x84377e5] 2: (Paxos::is_consistent()+0xd8) [0x82e066e] 3: (Monitor::init()+0x616) [0x82a4bd0] 4: (main()+0x1edf) [0x82969da] 5: (__libc_start_main()+0xe6) [0xb6f18296] 6: ceph-mon() [0x8294931] ceph version 0.41-369-g4b3bb5a (commit:4b3bb5ab37a05fa001d59f24da7d9c30d650321b) 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0xa4) [0x84377e5] 2: (Paxos::is_consistent()+0xd8) [0x82e066e] 3: (Monitor::init()+0x616) [0x82a4bd0] 4: (main()+0x1edf) [0x82969da] 5: (__libc_start_main()+0xe6) [0xb6f18296] 6: ceph-mon() [0x8294931] terminate called after throwing an instance of 'ceph::FailedAssertion' *** Caught signal (Aborted) ** in thread b6efc710 ceph version 0.41-369-g4b3bb5a (commit:4b3bb5ab37a05fa001d59f24da7d9c30d650321b) 1: (ceph::BackTrace::BackTrace(int)+0x30) [0x8437b44] 2: ceph-mon() [0x8484796] 3: [0xb7785400] 4: [0xb7785424] 5: (gsignal()+0x51) [0xb6f2c171] 6: (abort()+0x17e) [0xb6f2d94e] 7: (__gnu_cxx::__verbose_terminate_handler()+0x155) [0xb7150d85] 8: (()+0xafc85) [0xb714ec85] 9: (()+0xafcc2) [0xb714ecc2] 10: (()+0xafe31) [0xb714ee31] 11: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x21e) [0x843795f] 12: (Paxos::is_consistent()+0xd8) [0x82e066e] 13: (Monitor::init()+0x616) [0x82a4bd0] 14: (main()+0x1edf) [0x82969da] 15: (__libc_start_main()+0xe6) [0xb6f18296] 16: ceph-mon() [0x8294931]
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