[Bug 91243] [bdw iommu?] GPU Hang on 4.1.1

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 8 10:44:56 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=91243

Edgardo Gho <edgardo.g at telikin.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #4 from Edgardo Gho <edgardo.g at telikin.com> ---
Yes,
Using intel_iommu=igfx_off seems to fix the problem.

I also had to update to a newer X (I was using 1.14). Using 1.17 I have a weird
problem with xf86-video-intel. Videos (like camera input) or VLC diplay with
artifacts. Does not happen if I use modeset for Xorg (instead of intel).

Thanks for the info on intel_iommu=igfx_off.

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