[Bug 88012] [bisected BYT] complete freeze after: drm/i915/vlv: WA for Turbo and RC6 to work together

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88012

John <jbmacbrodie at yahoo.com> changed:

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                 CC|                            |jbmacbrodie at yahoo.com

--- Comment #96 from John <jbmacbrodie at yahoo.com> ---
Same here with random freezes.  Tried intel_pstate=disabled which works. 
However, cutting the max GPU frequency to about 50% also works for me.  Video
seems smoother compared to pstate=disabled. YMMV

Running 64 bit Mint 17.2/Cinnamon on ASUS T100-CHI linux-4.2.5 w/Ubuntu base
and T100 specific patches.  (Intel Atom Z3775, ValleyView Gen7)

Also seeing freezes on Dell Inspiron Laptop (Intel N3540) with various Ubuntu
kernels from 4.3-rc7 back to 3.18.21, though usually much less than once a day. 

CHI without workarounds usually freezes within minutes to several hours.  With
GPU capped, it runs as long as I let it - usually a few days.

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