[Bug 110450] Stability issue in i915 with transcode operation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110450

--- Comment #1 from Emelianova Svetlana <svetlana.emelianova at intel.com> ---
Created attachment 143991
  --> https://bugs.freedesktop.org/attachment.cgi?id=143991&action=edit
i915_error_state

KERNEL RELEASE: 4.19.5
KERNEL VERSION: #1 SMP Thu Nov 29 10:58:58 UTC 2018
PLATFORM: Ubuntu 18.04.1LTS BDW
GPU GT  : GT3 (0x1622)
CPU model name : Intel(R) Core(TM) i7-5850HQ CPU @ 2.70GHz

cat /proc/cmdline:
\boot\vmlinuz-4.19.5 root=LABEL=TARGET_OS ro vconsole.font=latarcyrheb-sun16
crashkernel=128M vconsole.keymap=us biosdevname=0 LANG=en_US.UTF-8
systemd.debug modprobe.blacklist=ast,mgag200 intel_pstate=disable
i915.enable_rc6=0 intel_idle.max_cstate=1 initrd=boot\initrd.img-4.19.5

GPU hang doesn't reproduce on Kernel 4.14.20.

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