> Am 17.01.2018 um 23:22 schrieb Johnny Hughes <johnny at centos.org>: > > On 01/17/2018 03:24 PM, Valeri Galtsev wrote: >> Dear All, >> >> An update just brought on my CenOS 6 boxes updated microcode.dat files: >> >> /lib/firmware/microcode.dat >> >> Does anybody know off hand what (how critical) is that, as, if it is >> related to most famous these days trouble with CPU hardware, I will need >> to reboot relevant boxes to have new microcode loaded. But if it is not >> that critical, it can wait till next reboot. >> >> Thanks a lot and apologies for laziness (not looking into details of >> this particular update myself). > > As Phil said, this basically REMOVES the new microcode.dat file and > reverts to the last stable one before the spectre / meltdown update set. > > Please see my tweet about this: > > > https://twitter.com/JohnnyCentOS/status/953734648764477440 > > For those of you without twitter (WHAT .. who doesn't have twitter :D ) > > Look at: > > https://t.co/6fT61xgtGH > > Get the latest microcode.dat file from here: > > https://t.co/zPwagbeJFY > > See how to update the microcode from the links at the bottom of this page: > > https://t.co/EOgclWdHCw > > An before anyone asks .. I have no idea why Red Hat chose this path, > they did. It doesn't matter if I (or anyone else) agrees with the > decision. It is what it is. BTW: Will the microcode loaded from microcode.dat or from the intel-ucode directory (for EL6)? -- LF