[Bug 243225] mpr0: Out of chain frames leads to boot hang

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 17 May 2026 19:38:22 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243225

--- Comment #20 from Terry Kennedy <terry-freebsd@glaver.org> ---
(In reply to Steve Shippa from comment #19)

I'd call that a one-line workaround, not a fix, although it should help people
experiencing the problem.

You mentioned about a 50% reproducibility before your workaround. So the
underlying issue is probably timing-related. Perhaps the allocator needs to
finish the previous request (from something else?) before getting hit with the
request from this driver?

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