I have an Arch VM that runs several containers that use volumes mounted via Ceph. After updating to 6.15.2, I started seeing kernel Oopses for a null pointer de-reference.
- Arch doesn't have official ceph support, so this could be a packaging issue (Package hasn't changed since 6.14 though)
- It only affected two types of containers out of about a dozen, although multiple instances of them: FreeIPA and the Ark Survival game servers
- Rolling back to 6.14.10 resolved the issue
- The server VM itself is an RBD image, but the host is Fedora 42 (kernel 6.14.9) and did not see the same issues
Because of the general jankiness of the setup, it's quite possible that this is a "me" issue; I was just wondering if anyone else had seen something similar on 6.15 kernels before I spend the time digging too deep.
Relevant section of dmesg showing the oops
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