[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

--- Comment #121 from ladiko <ladiko at web.de> ---
I tried all ubuntu 14.04 LTS kernels from 3.13 over 3.16, 3.19 to 4.2 and got
freezes with all of them except for 3.13. All which produced freezes have been
tried with all mentioned kernel parameters and verified it with cat
/proc/cmdline. Kernel 4.2 + intel_idle.max_cstate=1 froze within 1 day.

We are running almost 200 machines with a identical setup of ubuntu 14.04 +
xfce4 + chromium + html5-kiosk web application which includes an ogm video
which is played when idle and otherwise some hardware accelerated html5
animations. 50 of the machines were supported by an Celeron J1900, the remains
are equiped with older Core 2 Duo / Pentium Dual-Core or Celeron 847 and ~20
AMD E1-2100 or A4-5000. The most stable kernel for us is the default Ubuntu
14.04 kernel 3.13. We're going to buy AMD Kabinis as we dont have any issues
there except the higher TDP and higher temperatures in a complete passively
cooled system.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20151205/f778d6ac/attachment.html>