On Mon, 29 Dec 2014 20:05:35 +0100 (CET) Alexandre DERUMIER <aderum...@odiso.com> wrote:
> > Here the detail of microcode patch > > 815 Processor May Read Partially Updated Branch Status > Register > Description > Under a highly specific and detailed set of internal timing conditions, the > processor may read an internal branch > status register (BSR) while the register is being updated resulting in an > incorrect rIP. > Potential Effect on System > The incorrect rIP causes unpredictable program or system behavior, usually > observed as a page fault. > Suggested Workaround > Contact your AMD representative for information on a BIOS update. > Fix Planned > No fix planned > > > > I have another crash this afternoon, and this host was around 90% cpu usage > since 12h. (But loadaverage was ok). > So maybe more cpu give more chance to reach the case. > > I have patched this bios, I'll wait to see if it's improve or not. > Sounds like a race condition to me. I also think high load due to lots of KVM processes seems to be one way to trigger this behavior. -- Hilsen/Regards Michael Rasmussen Get my public GnuPG keys: michael <at> rasmussen <dot> cc http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E mir <at> datanom <dot> net http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C mir <at> miras <dot> org http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917 -------------------------------------------------------------- /usr/games/fortune -es says: "Shelter," what a nice name for for a place where you polish your cat.
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