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Bug #661
closedmds: mdlog recursion / scatter crash
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Description
... 2010-12-17 23:59:32.547531 7fc875ac7910 mds0.6 rejoin_joint_start 2010-12-17 23:59:37.669721 7fc875ac7910 mds0.6 rejoin_done 2010-12-17 23:59:38.423795 7fc875ac7910 mds0.6 handle_mds_map state change up:rejoin --> up:active 2010-12-17 23:59:38.423831 7fc875ac7910 mds0.6 recovery_done -- successful recovery! 2010-12-17 23:59:39.540280 7fc875ac7910 mds0.6 active_start 2010-12-17 23:59:40.033026 7fc875ac7910 mds0.6 cluster recovered. mds/MDLog.h: In function 'void MDLog::start_entry(LogEvent*)': mds/MDLog.h:191: FAILED assert(cur_event == __null) ceph version 0.24~rc (commit:fe10300317383ec29948d7dbe3cb31b3aa277e3c) 1: (CInode::finish_scatter_update(ScatterLock*, CDir*, unsigned long, unsigned long)+0x804) [0x606e14] 2: (CInode::start_scatter(ScatterLock*)+0xaa) [0x60dc1a] 3: (Locker::scatter_mix(ScatterLock*, bool*)+0x1ca) [0x589a9a] 4: (Locker::wrlock_start(SimpleLock*, MDRequest*, bool)+0x165) [0x597d65] 5: (MDCache::predirty_journal_parents(Mutation*, EMetaBlob*, CInode*, CDir*, int, int, snapid_t)+0x153e) [0x55a70e] 6: (Locker::scatter_writebehind(ScatterLock*)+0x42d) [0x58553d] 7: (Locker::simple_lock(SimpleLock*, bool*)+0x7ab) [0x58beeb] 8: (Locker::scatter_nudge(ScatterLock*, Context*, bool)+0x3ad) [0x58c49d] 9: (Locker::scatter_tick()+0x28a) [0x58c98a] 10: (MDS::tick()+0x4e4) [0x4b26a4] 11: (SafeTimer::timer_thread()+0x22c) [0x6d164c] 12: (SafeTimerThread::entry()+0xd) [0x6d34bd] 13: (Thread::_entry_func(void*)+0xa) [0x4943da] 14: /lib/libpthread.so.0 [0x7fc87810b73a] 15: (clone()+0x6d) [0x7fc876dad69d] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
Updated by Sage Weil over 13 years ago
- Status changed from New to Resolved
commit:b04b6f48237fcbd22716279726f827237a3eb4af
Updated by John Spray over 7 years ago
- Project changed from Ceph to CephFS
- Category deleted (
1) - Target version deleted (
v0.24)
Bulk updating project=ceph category=mds bugs so that I can remove the MDS category from the Ceph project to avoid confusion.
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