[Nix-dev] Experiences with Nvidia Optimus?

[Mathijs Kwik]

On Sun, Feb 5, 2012 at 11:23 PM, Arie Middelkoop <amiddelk at gmail.com> wrote:
> On 05-02-12 11:48, Mathijs Kwik wrote:
>>
>> I haven't seen (or needed) microcode related stuff since then, but I
>> got curious after your commit.
>>
>> A quick look at archlinux gives:
>>
>> http://projects.archlinux.org/svntogit/packages.git/tree/trunk?h=packages/intel-ucode
>>
>> In other words: you are right, no tool is needed any longer, but you
>> need to convert the .dat file into some more generic format.
>> Tool is given there.
>
>
> Thanks. It should now work. After I 'modprobe microcode':
>
>> [   20.037726] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x23
>> [   20.041392] microcode: CPU0 updated to revision 0x25, date = 2011-10-11
>> ...
>> [   20.065190] microcode: Microcode Update Driver: v2.00
>> <tigran at aivazian.fsnet.co.uk>, Peter Oruba
>
>
> Arie

yes, that works for me too.

However, if I load microcode during boot, the system fully hangs.
But don't worry. For now I just have it load after 10s as it's
probably hard to debug and probably very hardware specific.

Now if only we knew what those updates are for :)

Thanks,
Mathijs