(In reply to oyvinds from comment #26)
> I got hit by this bug on Fedora. My Ryzen 1600X system would randomly hang a
> short while after boot after upgrading to kernel 4.13.4.
Welcome to the club. Hopefully now that Fedora is affected, this will get more attention.
> This bug is listed as "Regression: No". It should be Yes in the case of
> Fedora; 4.12.x kernels work, 4.13.x do not work without a kernel boot
> parameter fix.
I wouldn't call it as a regression as the kernel options involved are merely a workaround for the underlying issue. Fedora just happened to be enabling them anyway until one of them went away.
(In reply to oyvinds from comment #26)
> I got hit by this bug on Fedora. My Ryzen 1600X system would randomly hang a
> short while after boot after upgrading to kernel 4.13.4.
Welcome to the club. Hopefully now that Fedora is affected, this will get more attention.
> This bug is listed as "Regression: No". It should be Yes in the case of
> Fedora; 4.12.x kernels work, 4.13.x do not work without a kernel boot
> parameter fix.
I wouldn't call it as a regression as the kernel options involved are merely a workaround for the underlying issue. Fedora just happened to be enabling them anyway until one of them went away.