[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

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun May 12 22:05:53 UTC 2019


Mark Millard <marklmi26-fbsd at 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 at 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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