AMD processor bug: the followup

Matthew Dillon has posted a link to the errata for the AMD CPU bug that he found.   Venkatesh Srinivas has followed with a test case for the bug.

Matthew Dillon also pointed out there’s a workaround to fix it, with no performance impact, it’s only found on revision 10h CPUs (not Bulldozer), and it’s extremely hard to duplicate.  Why draw such a heavy line under that?  The news of this bug rippled out through various news sites and was almost universally misreported, in a way that made it look bad for AMD without actually realistically quantifying the problem.  Remember, it took 6 months just to find it – and he was looking for it!



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