[Bug 225110] UFS "cylinder checksum failed" messages after crash, with SU+J enabled

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225110

            Bug ID: 225110
           Summary: UFS "cylinder checksum failed" messages after crash,
                    with SU+J enabled
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: emaste at freebsd.org

Reference thread at
https://lists.freebsd.org/pipermail/freebsd-current/2018-January/068043.html

tuexen@ writes

Not sure this helps: But we have seen this also after system panics
when having soft update journaling enabled. Having soft update journaling
disabled, we do not observed this after several panics.
Just to be clear: The panics are not related to this issue,
but to other network development we do.

Also reproduced on two new installs by my co-op students:

- system panics for some reason, unrelated to filesystems
- fsck SU+J runs after reboot
- kernel reports many cylinder checksum failures

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