[Bug 227749] post-panic assertion failed: panic: Assertion (*xp & ~LK_EXCLUSIVE_SPINNERS) == LK_SHARERS_LOCK(1) failed at /usr/src/sys/kern/kern_lock.c:541

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227749

Conrad Meyer <cem at freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|bugs at FreeBSD.org            |cem at freebsd.org
             Status|New                         |Closed
         Resolution|---                         |FIXED

--- Comment #11 from Conrad Meyer <cem at freebsd.org> ---
At least the secondary panic preventing dump is resolved.  It does seem like a
mistake for dump code to be invoking lockmgr, and Mark's guess that it is a
filesystem buffer completion seems logical to me.

We do have a patch to avoid completing non-dump IO in CAM during coredump.  I
don't think we need this PR to track upstreaming that.

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