[Bug 93926] New: [APL] kms_fbc_crc some subcases result is crash

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93926

            Bug ID: 93926
           Summary: [APL] kms_fbc_crc some subcases result is crash
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: christophe.prigent at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 121391
  --> https://bugs.freedesktop.org/attachment.cgi?id=121391&action=edit
dmesg

Setup:
======
Platform: Broxton P A0 Platform
CPU Name : Intel(R) @ 1.2 GHz (family: 6, model: 92, stepping: 8) – 4 cores
SoC : BROXTON-P A0
CRB :  Apollo Lake RVPC1 Fab1 
Reworks : R14, R06C and R16

Software:
=========
BIOS (IFWI Version): APLK_IFWI_X64_R_2015_41_5_02 
KSC : 1.02
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.4.0 8114b00 from
http://cgit.freedesktop.org/drm-intel/
drm: tag libdrm-2.4.66 e342c0f from http://cgit.freedesktop.org/mesa/drm/
mesa: tag mesa-11.0.8 261daab from http://cgit.freedesktop.org/mesa/mesa/
cairo: tag 1.15.2 db8a7f1 from http://cgit.freedesktop.org/cairo
waffle: master bb29b2a from https://github.com/waffle-gl/waffle
xorg-server-macros: master d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
libva: tag libva-1.6.1 cb418f6 from http://cgit.freedesktop.org/libva/
vaapi-intel-driver: tag 1.6.1 2110b3a from
http://cgit.freedesktop.org/vaapi/intel-driver

Tool:
======
intel-gpu-tool: tag intel-gpu-tools-1.13 51e965f from
http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/

Pre-conditions:
---------------
Connect one monitor to HDMI port (Asus PB287Q)
Boot with kernel boot command line i915.enable_fbc=1

Steps:
------
1. Execute command:
sudo -s
cd <…>/intel-gpu-tools/tests
./kms_fbc_crc

Actual results:
---------------
1. Result is:
IGT-Version: 1.13-NOT-GIT (x86_64) (Linux: 4.4.0-nightly+ x86_64)
Beginning page_flip on pipe A, connector DP-1
page_flip on pipe A, connector DP-1: PASSED
Beginning page_flip on pipe B, connector DP-1
FBC not enabled
page_flip on pipe B, connector DP-1: SKIPPED
Beginning page_flip on pipe C, connector DP-1
FBC not enabled
page_flip on pipe C, connector DP-1: SKIPPED
Subtest page_flip: SUCCESS (13.296s)
Beginning mmap_cpu on pipe A, connector DP-1
Received signal SIGBUS.
Subtest mmap_cpu: CRASH (0.036s)
Beginning mmap_gtt on pipe A, connector DP-1
Received signal SIGBUS.
Subtest mmap_gtt: CRASH (0.036s)
Beginning blt on pipe A, connector DP-1
Received signal SIGBUS.
Subtest blt: CRASH (0.036s)
Beginning render on pipe A, connector DP-1
Received signal SIGBUS.
Subtest render: CRASH (0.035s)
Beginning context on pipe A, connector DP-1
Received signal SIGBUS.
Subtest context: CRASH (0.036s)
Beginning page_flip_and_mmap_cpu on pipe A, connector DP-1
Received signal SIGBUS.
Subtest page_flip_and_mmap_cpu: CRASH (0.035s)
Beginning page_flip_and_mmap_gtt on pipe A, connector DP-1
Received signal SIGBUS.
Subtest page_flip_and_mmap_gtt: CRASH (0.035s)
Beginning page_flip_and_blt on pipe A, connector DP-1
Received signal SIGBUS.
Subtest page_flip_and_blt: CRASH (0.035s)
Beginning page_flip_and_render on pipe A, connector DP-1
Received signal SIGBUS.
Subtest page_flip_and_render: CRASH (0.035s)
Beginning page_flip_and_context on pipe A, connector DP-1
Received signal SIGBUS.
Subtest page_flip_and_context: CRASH (0.036s)

Expected result:
-----------------
Result is Pass

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