ZFS committed to the FreeBSD base.

Oliver Fromme olli at lurza.secnetix.de
Fri Apr 13 16:26:24 UTC 2007

Sergey Zaharchenko wrote:
 > Hello Oliver!
 > Fri, Apr 13, 2007 at 04:52:45PM +0200 you wrote:
 > > Using cmpxchg8b with a lock prefix wouldn't be a good idea
 > > anyway.  If I remember correctly, the lock cmpxchg8b
 > > combination was the cause of the infamous "F00F" bug of
 > > old Pentium processors.  It causes them to freeze.
 > AFAICT the bug only manifested itself when the instruction had an
 > invalid register operand:
 > www.intel.com/support/processors/pentium/ppiie/ :

Ah, that's good then.  Thanks for the clarification!

Best regards

Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
Handelsregister: Registergericht Muenchen, HRA 74606,  Geschäftsfuehrung:
secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün-
chen, HRB 125758,  Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart

FreeBSD-Dienstleistungen, -Produkte und mehr:  http://www.secnetix.de/bsd

"And believe me, as a C++ programmer, I don't hesitate to question
the decisions of language designers.  After a decent amount of C++
exposure, Python's flaws seem ridiculously small." -- Ville Vainio

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