lkml.org 
[lkml]   [2007]   [May]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH 5/6] SUNHME: Workaround ancient hang on U1's
    From
    From: Ben Collins <bcollins@ubuntu.com>
    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.
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-05-24 02:21    [W:0.019 / U:32.232 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site