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Bug #1433
closedmds: assert in path_traverse
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Description
While testing my teuthology lock test:
mds/MDCache.cc: In function 'int MDCache::path_traverse(MDRequest*, Message*, Context*, const filepath&, std::vector<CDentry*, std::allocator<CDentry*> >*, CInode**, int)', in thread '0x7fb6e6371700' mds/MDCache.cc: 6762: FAILED assert(0) ceph version 0.33-283-gabe5cd2 (commit:abe5cd28d1e1e1e1684cd227cf9f9272202bea8d) 1: (MDCache::path_traverse(MDRequest*, Message*, Context*, filepath const&, std::vector<CDentry*, std::allocator<CDentry*> >*, CInode**, int)+0x2390) [0x58a3c0] 2: (Server::rdlock_path_pin_ref(MDRequest*, int, std::set<SimpleLock*, std::less<SimpleLock*>, std::allocator<SimpleLock*> >&, bool, bool, ceph_file_layout**)+0x267) [0x5022f7] 3: (Server::handle_client_stat(MDRequest*)+0xd5) [0x503b55] 4: (Server::dispatch_client_request(MDRequest*)+0x3e6) [0x522dd6] 5: (MDCache::dispatch_request(MDRequest*)+0x46) [0x53cb96] 6: (C_MDS_RetryRequest::finish(int)+0x11) [0x529b51] 7: (Context::complete(int)+0xa) [0x48e70a] 8: (Locker::xlock_finish(SimpleLock*, Mutation*, bool*)+0xa27) [0x5e1c87] 9: (Locker::_drop_non_rdlocks(Mutation*, std::set<CInode*, std::less<CInode*>, std::allocator<CInode*> >*)+0x5d) [0x5e97fd] 10: (Locker::drop_non_rdlocks(Mutation*, std::set<CInode*, std::less<CInode*>, std::allocator<CInode*> >*)+0x51) [0x5e9a41] 11: (Server::reply_request(MDRequest*, MClientReply*, CInode*, CDentry*)+0x139) [0x4fdd39] 12: (Server::_unlink_local_finish(MDRequest*, CDentry*, CDentry*, unsigned long)+0x4f0) [0x4ff400] 13: (Context::complete(int)+0xa) [0x48e70a] 14: (finish_contexts(CephContext*, std::list<Context*, std::allocator<Context*> >&, int)+0xda) [0x6d92ba] 15: (Journaler::_finish_flush(int, unsigned long, utime_t)+0x20e) [0x6d045e] 16: (Objecter::handle_osd_op_reply(MOSDOpReply*)+0x9a3) [0x6b2353] 17: (MDS::handle_core_message(Message*)+0x85f) [0x4ad68f] 18: (MDS::_dispatch(Message*)+0x2c) [0x4ad72c] 19: (MDS::ms_dispatch(Message*)+0x71) [0x4aefb1] 20: (SimpleMessenger::dispatch_entry()+0x879) [0x709609] 21: (SimpleMessenger::DispatchThread::entry()+0x1c) [0x4887ec] 22: (()+0x7971) [0x7fb6e9be1971] 23: (clone()+0x6d) [0x7fb6e867592d]
Looking at the logging for it now.
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