[Bug 85673] New: [BYT Regression]igt/gem_exec_big fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85673

            Bug ID: 85673
           Summary: [BYT Regression]igt/gem_exec_big fails
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

==System Environment==
--------------------------
Regression: yes
good commit: 6476486cb3570d3662e4a3870b884e75d35d1072
bad commit: 421d82916774361a4840018fc3ab3a15751c3ea6

Non-working platforms: BYT

==kernel==
--------------------------
drm-intel-nightly/bd21cf795cf5dc278f1451d0f7a597cb1d13c2ba

==Bug detailed description==
It fails on BYT with -queued and -nightly kernel.

IGT-Version: 1.8-gcba3088 (x86_64) (Linux:
3.18.0-rc2_drm-intel-nightly_bd21cf_20141030+ x86_64)
Test assertion failure function exec, file gem_exec_big.c:97:
Failed assertion: tmp == gem_reloc[0].presumed_offset
error: 0 != 8892416


[  802.954027] gem_exec_big: executing
[  802.954203] [drm:i915_gem_open]
[  802.954751] [drm:i915_gem_open]
[  802.954992] [drm:valleyview_set_rps] GPU freq request from 167 MHz (191) to
854 MHz (224)
[  802.957650] [drm:intel_crtc_set_config] [CRTC:8] [FB:35] #connectors=1 (x y)
(0 0)
[  802.957660] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:8], mode_changed=0, fb_changed=0
[  802.957665] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:eDP-1] to
[CRTC:8]
[  802.957670] [drm:intel_crtc_set_config] [CRTC:13] [NOFB]
[  802.957675] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:13], mode_changed=0, fb_changed=0
[  802.957679] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:eDP-1] to
[CRTC:8]
[  803.056437] [drm:valleyview_set_rps] GPU freq request from 854 MHz (224) to
167 MHz (191)

==Reproduce steps==
---------------------------- 
1. ./gem_exec_big

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