Messages in this thread | | | Date | Tue, 20 Sep 2005 19:23:18 -0400 | From | Dave Jones <> | Subject | Re: x86-64 bad pmds in 2.6.11.6 |
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On Tue, Sep 20, 2005 at 12:44:46PM -0700, Chris Wedgwood wrote: > On Tue, Sep 20, 2005 at 10:30:48AM -0700, Linus Torvalds wrote: > > > This is quite possibly the result of an Opteron errata (tlb flush > > filtering is broken on SMP) that we worked around as of 2.6.14-rc4. > > It would be really interesting to know if this does help. I was told > em64t also have the 'bad pmd' problem but I can't make it happen here > on opteron on em64t.
In the dozens of reports of bad pmd that Fedora users filed, there wasn't a single EM64T user. In fact, most of the hits were from very similar product lines, from a handful of vendors (Tyan's seemed especially susceptable). It may be that other vendors updated their BIOS's to include this workaround already, and Tyan and a few others lagged behind.
Dave
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