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Date:      Sun, 12 May 2019 22:05:50 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 237718] head -r346588 (and before -r347492) for powerpc64 on PowerMac G5 exposes: mtx_lock of spin mutex WWV @ .../sys/powerpc/aim/mmu_oea64.c
Message-ID:  <bug-237718-227-h3YGRJt1ho@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-237718-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-237718-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237718

Mark Millard <marklmi26-fbsd@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|head -r346588 (and later)   |head -r346588 (and before
                   |for powerpc64 on PowerMac   |-r347492) for powerpc64 on
                   |G5 exposes: mtx_lock of     |PowerMac G5 exposes:
                   |spin mutex WWV @            |mtx_lock of spin mutex WWV
                   |.../sys/powerpc/aim/mmu_oea |@
                   |64.c                        |.../sys/powerpc/aim/mmu_oea
                   |                            |64.c

--- Comment #1 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #0)

head -r347492 changed what made head -r346588 a good
test case for the mtx_lock issue: it removed use of
the illegal instructions (as far as pre-power6 processors
are concerned).

So, either using the range that is a test-case on such
older power/powerpc64 or other means of inducing a test
case is now needed.

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