Meltdown and Spectre information update
sepherosa at gmail.com
Sun Jan 14 00:55:59 PST 2018
In addition to installing the devcpu-data and updating the firmware
image, you need to add
The latest Intel firmware is here:
On Wed, Jan 10, 2018 at 2:34 PM, Matthew Dillon <dillon at backplane.com> wrote:
> We fully support microcode updates (as does FreeBSD).
> kldload cpuctl
> pkg install devcpu-data
> cpucontrol -u /dev/cpuctl0
> cpucontrol -u /dev/cpuctl1
> ... (iterate all cpus)
> If you download a microcode update that isn't yet in the devcpu-data
> package, you will wind up with a microcode.dat file from Intel which you
> have to break up using a tool that is in devcpu-data's build directory.
> cd /usr/dports/sysutils/devcpu-data
> cd /usr/obj/dports/sysutils/devcpu-data/devcpu-data-1.9
> use the ./ucode-tool binary. Urm. I think something like:
> ./ucode-tool -i <location_of_intel_microcode_dat_file>
> and then move all the *.fw files to /usr/local/share/cpucontrol
> Then cpucontrol -u can find them.
> You need the latest master (the cpuctl device needed a larger buffer to
> handle newer cpu's larger microcodes).
> On Sun, Jan 7, 2018 at 4:32 PM, Lars Schotte <gustopn at gmail.com> wrote:
>> Not if it runs counter clockwise.
>> On Mon, 8 Jan 2018 01:16:29 +0200
>> PeerCorps Trust Fund <ipc at peercorpstrust.org> wrote:
>> > Even a broken watch is right twice a day!
>> > (I've always wanted to use that :)
>> Lars Schotte
>> Mudroňova 13
>> 92101 Piešťany
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