Ceph OSDs crash on peering(?)

I have a somewhat weird problem with ceph. OSDs crash as soon as i mark them in.

Background: I run a erasure-coded pool and recently had some OSDs crash. A few pgs were stuck on incomplete after recovery. The data affected is not critically important but i want to avoid having to delete the pool if possible.

During my attempts on recovery I apparently screwed something up and the pgs got corrupted and caused the OSD to crash (this seems to be a known bug...

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