On Sun, Jul 12, 2020 at 02:40:17PM -0700, donLouis via blfs-support wrote:
> >
> >
> > Intel released fresh microcode on 20200609 to provide mitigation for
> > the SRBDS vulnerability, and this week's kernel releases list
> > Mitigation: Microcode for srbds on affected machines with that
> > microcode.
> >
> > But on Monday Pierre made me aware that there were issues on some
> > Skylake machines (06-4e-03) - issue 31 at
> > https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/issues
> > so I put a Caution on the firmware page.
> >
> > Meanwhile, my own 06-5e-03 skylake was fine with that release. But
> > yesterday Intel released a 20200616 version which reverts both sets
> > of Skylake microcode to the old (0xd6) version.
> >
> > For the moment, my gut feeling is that, at least on 06-5e-03, the
> > 20200609 microcode is good. But I have exactly one machine like
> > that (running sysvinit) and no 06-4e-03 machines. Looking at issue
> > 31, it seems likely that the reporters were all running systemd. I
> > cannot think of any logical reason why systemd should cause
> > early-boot hangs with the updated microcode, but to try to get
> > towards the bottom of this I'd like to hear from anyone with a
> > Skylake who has updated to the 20200609 firmware:
> >
> > Which variant (triplet), was early-loading successful, are you using
> > sysvinit or systemd ?
> >
> > Thanks
> >
> > ĸen
>
> I'm a little late to the game, but I wanted to reply that I'm on an 06-
> 4e-03 box with systemd.
>
> When I built this, I used the 20200616 version. After seeing your post,
> I tried the 20200609 version, but it boots up without incident.
>
Thanks! It's good to know that the mitigated version works on at
least one example of each (and that suggests their original testing
was indeed ok).
ĸen
--
He died at the console, of hunger and thirst.
Next day he was buried, face-down, nine-edge first.
- the perfect programmer
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