Re: commit bd9240a18edfbfa72e957fc2ba831cf1f13ea073 seems to break with intel-ucode 20180425

From: Peter Zijlstra
Date: Mon May 14 2018 - 03:24:06 EST


On Sat, May 12, 2018 at 12:55:35PM +0200, Gabriel C wrote:
> Hi Peter,
>
> after updating ucode to 20180425 on my laptop I always hit the
> 'TSC_DEADLINE disabled' error and so early microcode update from
> inird breaks.
>
> Also I'm able to late load the microcode from command line but
> not from initrd.
>
> Going back to ucode 20180312 make things work again.
>
> I've tested on latest 4.16.8 kernel for now.
>
> lscpu output:

Please provide /proc/cpuinfo (a single cpu is sufficient) for both
firmwares.

lscpu (whatever that is) lacks useful information, like the microcode
version.