[Bug 246004] Kernel Panic after moderate amount of activity

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246004

--- Comment #5 from Mark Johnston <markj at FreeBSD.org> ---
Created attachment 213916
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=213916&action=edit
print a message when a workaround is applied

(In reply to Sean Bruno from comment #4)
So they were stable before updating in December?  Do you know what they were
running before?  A bit of a shot in the dark, but the ASID allocator was
committed around that time, and contains a workaround for an erratum in the
ThunderX.

A couple of things to try:
- Can you run r354285 (r354286 is the commit in question) on one of the systems
and see if the panic is reproducible?
- Could you apply the attached patch and grab the dmesg?  First let's see if
the erratum workaround is getting installed.

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