[Bug 94121] New: [KBL] igt/kms_flip/2x-render-flip-vs-modeset-interruptible cause GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94121

            Bug ID: 94121
           Summary: [KBL]
                    igt/kms_flip/2x-render-flip-vs-modeset-interruptible
                    cause GPU hang
           Product: DRI
           Version: DRI git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: olivierx.berthier at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 121719
  --> https://bugs.freedesktop.org/attachment.cgi?id=121719&action=edit
dmesg log

Regression:
-----------
Yes, the test was pass with the kernel 4.5.0-rc1 drm-intel-nightly and Intel
GPU Tools intel-gpu-tools-1.13-179-g3005665

Setup:
------
Hardware
Platform: KABY LAKE-U 
CPU : Intel(R) Core(TM) @ 2.60GHz
MCP : KBL-U G0 2+2 (ou ULT-G0)
QDF : QYQ8
Chipset PCH: SPT-LP C1 
CRB : KABY LAKE U DDR3L RVP7 CRB FAB1
Software
BIOS : KBLSE2R1.R00.X015.B01.1511271314
ME FW : 11.5.0.1008
Ksc (EC FW): 1.20
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.5.0-rc3_d9bd337 from
http://cgit.freedesktop.org/drm-intel/
commit d9bd337b4b2d46f73005fcdf0e7049e7f8ed5c04
Author: Jani Nikula <jani.nikula at intel.com>
Date:   Tue Feb 9 17:43:10 2016 +0200

    drm-intel-nightly: 2016y-02m-09d-15h-42m-46s UTC integration manifest

drm: tag libdrm-2.4.66-33-gf884af9
intel-gpu-tool: intel-gpu-tools-1.13-195-g8d441ee

Steps:
------
run the command :
#  ./kms_flip --r 2x-render-flip-vs-modeset-interruptible

Actual result:
---------------
The test cause a GPU hang and after the system freeze, so i can't get the dump.

Expected result:
----------------
The result is pass or skip.

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