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Date:      Sun, 17 May 2026 19:38:22 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 243225] mpr0: Out of chain frames leads to boot hang
Message-ID:  <bug-243225-227-ZuIft9xf8v@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-243225-227@https.bugs.freebsd.org/bugzilla/>

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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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