FYI, we noticed the below changes on

https://github.com/0day-ci/linux Ben-Widawsky/drm-i915-Correct-MI_STORE_DWORD_INDEX-usage/20151216-081807
commit f47b495db44e9362dc80cf5837b177c19e513c06 ("drm/i915: Correct MI_STORE_DWORD_INDEX usage")


+----------------------------------+------------+------------+
|                                  | 663f3122d0 | f47b495db4 |
+----------------------------------+------------+------------+
| boot_successes                   | 29         | 17         |
| boot_failures                    | 0          | 12         |
| drm:i915_set_reset_status[i915]] | 0          | 12         |
+----------------------------------+------------+------------+



<6>[   23.332191] [drm] stuck on blitter ring
<6>[   23.336604] [drm] stuck on video enhancement ring
<6>[   23.343837] [drm] GPU HANG: ecode 8:1:0xfffffffe, reason: Ring hung, action: reset
<3>[   23.354042] [drm:i915_set_reset_status [i915]] *ERROR* gpu hanging too fast, banning!
<5>[   23.366600] drm/i915: Resetting chip after gpu hang
<6>[   27.326811] [drm] stuck on bsd ring
<6>[   27.332304] [drm] stuck on blitter ring


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Ying Huang