Ceph » mgr

During a cephfs teuthology run for octopus release, ceph-mgr crashed:

https://pulpito.ceph.com/yuriw-2022-02-28_21:30:54-fs-wip-yuri5-testing-2022-02-28-0839-octopus-distro-default-smithi/6712891/

Stack trace isn't very helpful, unfortunately:

 ceph version 15.2.15-257-g90c9aee1 (90c9aee1304e234e696e2716e0ddb31d4af38ecb) octopus (stable)
 1: (()+0x153c0) [0x7f492e19b3c0]
 2: (gsignal()+0xcb) [0x7f492dc8618b]
 3: (abort()+0x12b) [0x7f492dc65859]
 4: (()+0x9e911) [0x7f492e03c911]
 5: (()+0xaa38c) [0x7f492e04838c]
 6: (()+0xaa3f7) [0x7f492e0483f7]
 7: (()+0xaa6a9) [0x7f492e0486a9]
 8: (std::__throw_out_of_range(char const*)+0x41) [0x7f492e03f37e]
 9: (()+0xc7a6c) [0x7f4922fb5a6c]
 10: (DispatchQueue::entry()+0x289) [0x7f492edae429]
 11: (DispatchQueue::DispatchThread::entry()+0x11) [0x7f492ee69cb1]
 12: (()+0x9609) [0x7f492e18f609]
 13: (clone()+0x43) [0x7f492dd62293]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.