Comment 487 for bug 1690085

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In , ledesillusionniste (ledesillusionniste-linux-kernel-bugs) wrote :

(In reply to Antoine Pitrou from comment #398)
> @Daniel what makes you think this bug is fixed? It certainly isn't for me.
> I have a ASRock Fatal1ty X370 Gaming X motherboard, a Ryzen 7 1700 CPU, have
> updated the motherboard BIOS to its latest version (4.80 with
> PinnaclePI-AM4_1.0.0.2 Patch A) and am still getting idle lockups with
> kernel 4.15.0-32-generic (Ubuntu 18.04.1 kernel). The workaround for me is
> to disable C6 states using the Zenstates.py script (which has the
> unfortunate side effect of lowering the max CPU frequency in single-threaded
> mode).
>
> (I also don't see any "Typical Current Idle" option in my Setup options,
> though I might have overlooked it)

Hi Antoine, i checked the manual of your Asrock motherboard quickly.
For your machine the "typical idle current" is named "c6 mode"
Disable it and you get the "typical idle current", i think.
While keeping the boost monothread.