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    SubjectRe: [PATCH 5/6] SUNHME: Workaround ancient hang on U1's
    From: Ben Collins <>
    Date: Wed, 23 May 2007 18:30:46 -0400

    > This work around has been in use by almost any distribution trying to
    > support sparc64 since at least 2002. Without it, sunhme hangs fairly
    > quickly on UltraSPARC 1's.
    > Dave, I know it's not in the kernel because it isn't a "fix", but given
    > that we haven't seen a fix in more than 5 years, can we get this out of my
    > tree please? :)

    It isn't needed any more, the hang no longer occurs.

    Nobody should be applying that patch, my guess is that it was
    a GCC bug that has been fixed over time that reordered the
    writes to RX/TX descriptors which hung the chip.
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