[Bug 73641] New: [nv ppgtt]igt/gem_gtt_hog fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73641

          Priority: medium
            Bug ID: 73641
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [nv ppgtt]igt/gem_gtt_hog fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 92107
  --> https://bugs.freedesktop.org/attachment.cgi?id=92107&action=edit
dmesg

System Environment:
--------------------------
Platform: Haswell(nv)
Kernel: (drm-intel-nightly)07db3e0b8568d81226e2e17dbb1b340668cb2287

Bug detailed description:
-------------------------
It fails on haswell with NVIDIA card GT440. It's a new case.
It works well on -fixes and -queued kernel.
It fails on -nightly and ppgtt kernel

output:
IGT-Version: 1.5-g1552aa2 (x86_64) (Linux: 3.13.0-rc3_ppgtt_e91030_20140114+
x86_64)
Test assertion failure function main, file gem_gtt_hog.c:170:
Last errno: 0, Success
Failed assertion: status == 0

Reproduce steps:
----------------
1. ./gem_gtt_hog

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