[Bug 108992] Regression: Lenovo e585 (ryzen 2500u) freezes during boot with 4.20-rc5/rc6, amdgpu error

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108992

--- Comment #15 from chris <christian.frank.uwb at googlemail.com> ---
(In reply to chris from comment #14)
> I can confirm that the iommu=pt workaround works, also iommu=soft works to
> get gdm started and use the laptop. Sadly i have no idea what impact those
> workarounds have when it comes to performance of the gpu/cpu or battery
> lifetime ?

Sadly i had a freeze during desktop usage shortly after boot using iommu=pt.
The driver situation for raven ridge is really sad atm :( .

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