Description of problem:
The scrub code calls MDLog::trim_all() without flushing mdlog first. when there is no expiring log segment, MDSGatherBuilder malfunction. (MDSGatherBuilder::activate() does not execute empty MDSGatherBuilder's finish context)
zhyan-laptop:ceph zhyan$ git push rh-ceph ceph-3.0-rhel-patches
Counting objects: 62, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (57/57), done.
Writing objects: 100% (62/62), 11.35 KiB | 726.00 KiB/s, done.
Total 62 (delta 54), reused 5 (delta 5)
remote: Resolving deltas: 100% (54/54)
remote: Processing changes: refs: 1, done
0b3592f04c..1e9171374c ceph-3.0-rhel-patches -> ceph-3.0-rhel-patches
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.