Here is the backtrace from a ceph crash ceph crash info '2024-08-20T16:07:39.319197Z_8bcdf3df-f9b5-451a-b971-16f8190ab351' { "assert_condition": "!p", "assert_file": "/build/ceph-18.2.4/src/mds/MDCache.cc", "assert_func": "void MDCache::add_inode(CInode*)", "assert_line": 251, "assert_msg": "/build/ceph-18.2.4/src/mds/MDCache.cc: In function 'void MDCache::add_inode(CInode*)' thread 7f0551248700 time 2024-08-20T12:07:39.313490-0400\n/build/ceph-18.2.4/src/mds/MDCache.cc: 251: FAILED ceph_assert(!p)\n", "assert_thread_name": "ms_dispatch", "backtrace": [ "/lib/x86_64-linux-gnu/libpthread.so.0(+0x14420) [0x7f055736a420]", "gsignal()", "abort()", "(ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x182) [0x7f05576e12c9]", "/usr/lib/ceph/libceph-common.so.2(+0x32d42b) [0x7f05576e142b]", "(MDCache::add_inode(CInode*)+0x348) [0x55f4f007b7e8]", "(Server::prepare_new_inode(boost::intrusive_ptr<MDRequestImpl>&, CDir*, inodeno_t, unsigned int, file_layout_t const*)+0x7b3) [0x55f4f00023a3]", "(Server::handle_client_mkdir(boost::intrusive_ptr<MDRequestImpl>&)+0x1cd) [0x55f4f000546d]", "(MDSContext::complete(int)+0x5f) [0x55f4f02b72cf]", "(void finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> > >(ceph::common::CephContext*, std::vector<MDSContext*, std::allocator<MDSContext*> >&, int)+0x90) [0x55f4eff5c730]", "(MDSCacheObject::finish_waiting(unsigned long, int)+0x5c) [0x55f4f02c7dbc]", "(Locker::eval_gather(SimpleLock*, bool, bool*, std::vector<MDSContext*, std::allocator<MDSContext*> >*)+0x12dc) [0x55f4f016fe2c]", "(Locker::dispatch(boost::intrusive_ptr<Message const> const&)+0x16c) [0x55f4f0183b1c]", "(MDSRank::_dispatch(boost::intrusive_ptr<Message const> const&, bool)+0x5a6) [0x55f4eff6b1a6]", "(MDSRankDispatcher::ms_dispatch(boost::intrusive_ptr<Message const> const&)+0x5c) [0x55f4eff6b79c]", "(MDSDaemon::ms_dispatch2(boost::intrusive_ptr<Message> const&)+0x1bf) [0x55f4eff5530f]", "(Messenger::ms_deliver_dispatch(boost::intrusive_ptr<Message> const&)+0x468) [0x7f055795c448]", "(DispatchQueue::entry()+0x657) [0x7f05579599e7]", "(DispatchQueue::DispatchThread::entry()+0x11) [0x7f0557a20b11]", "/lib/x86_64-linux-gnu/libpthread.so.0(+0x8609) [0x7f055735e609]", "clone()" ], "ceph_version": "18.2.4", "crash_id": "2024-08-20T16:07:39.319197Z_8bcdf3df-f9b5-451a-b971-16f8190ab351", "entity_name": "mds.mds0202", "os_id": "ubuntu", "os_name": "Ubuntu", "os_version": "20.04.6 LTS (Focal Fossa)", "os_version_id": "20.04", "process_name": "ceph-mds", "stack_sig": "e51039f21ed17c3220d021c313d5af656ee59d9ccfb3e6d6f991bcf245dbf000", "timestamp": "2024-08-20T16:07:39.319197Z", "utsname_hostname": "mds02", "utsname_machine": "x86_64", "utsname_release": "5.4.0-190-generic", "utsname_sysname": "Linux", "utsname_version": "#210-Ubuntu SMP Fri Jul 5 17:03:38 UTC 2024" } ________________________________ The information contained in this e-mail message is intended only for the personal and confidential use of the recipient(s) named above. This message may be an attorney-client communication and/or work product and as such is privileged and confidential. If the reader of this message is not the intended recipient or an agent responsible for delivering it to the intended recipient, you are hereby notified that you have received this document in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail, and delete the original message.