[Bug 88981] New: [BSW]igt/gem_exec_lut_handle causes *ERROR* Hangcheck timer elapsed... render ring idle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88981

            Bug ID: 88981
           Summary: [BSW]igt/gem_exec_lut_handle causes *ERROR* Hangcheck
                    timer elapsed... render ring idle
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         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: not sure

==kernel==
--------------------------
drm-intel-nightly/0eafcbf6bc5917efd97c9916329c6f859cfb41ed
commit 0eafcbf6bc5917efd97c9916329c6f859cfb41ed
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Tue Feb 3 19:19:19 2015 +0100

    drm-intel-nightly: 2015y-02m-03d-18h-18m-53s UTC integration manifest

==Bug detailed description==
-----------------------------
It causes <3>[ 4329.946633] [drm:i915_hangcheck_elapsed [i915]] *ERROR*
Hangcheck timer elapsed... render ring idle.on automation testing
I am unable to reproduce it manually.

test log:
@test: Intel_gpu_tools/igt_gem_exec_lut_handle
returncode: 0
info: @@@Returncode: 0

test case start at: Tue Feb  3 11:48:20 2015
test case end at:   Tue Feb  3 11:56:49 2015

Errors:


Dmesg:
<3>[ 4329.946633] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer
elapsed... render ring idle


Output:
             command   pid dev master a   uid      magic
Test Environment check: Succeeded.
[1/1] dmesg-warn: 1 |
[1/1] dmesg-warn: 1 /


Thank you for running Piglit!
Results have been written to /GFX/Test/Piglit/piglit/t
{
    "results_version": 2,
    "uname": "Linux x-bsw08 3.19.0-rc7_drm-intel-nightly_0eafcb_20150204+ #38
SMP Wed Feb 4 11:26:26 CST 2015 x86_64 x86_64 x86_64 GNU/Linux\n",
    "time_elapsed": 502.3301010131836,
    "tests": {
        "igt/gem_exec_lut_handle": {
            "dmesg": "[ 4329.946633] [drm:i915_hangcheck_elapsed [i915]]
*ERROR* Hangcheck timer elapsed... render ring idle",
            "returncode": 0,
            "err": "",
            "environment": "PIGLIT_SOURCE_DIR=\"/GFX/Test/Piglit/piglit\"
PIGLIT_PLATFORM=\"mixed_glx_egl\"",
            "command":
"/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests/gem_exec_lut_handle",
            "result": "dmesg-warn",
            "time": 502.1684060096741,
            "out": "IGT-Version: 1.9-g87edb51 (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_0eafcb_20150204+ x86_64)\nrelocation: buffers=  
1: old= 408053 + 17.4*reloc, lut=  35950 + 143.5*reloc (ns)\nrelocation:
buffers=   2: old=  38386 + 153.0*reloc, lut=  39810 + 142.3*reloc
(ns)\nrelocation: buffers=   4: old=  39303 + 156.7*reloc, lut=  39962 +
142.8*reloc (ns)\nrelocation: buffers=   8: old=  41255 + 153.4*reloc, lut= 
41122 + 143.0*reloc (ns)\nrelocation: buffers=  16: old=  45337 + 153.3*reloc,
lut=  44985 + 143.1*reloc (ns)\nrelocation: buffers=  32: old=  37409 +
159.9*reloc, lut=  39477 + 150.2*reloc (ns)\nrelocation: buffers=  64: old= 
70905 + 159.4*reloc, lut=  70185 + 148.5*reloc (ns)\nrelocation: buffers= 128:
old=  96056 + 173.7*reloc, lut=  93624 + 161.6*reloc (ns)\nrelocation: buffers=
256: old= 187988 + 182.5*reloc, lut= 183626 + 168.1*reloc (ns)\nrelocation:
buffers= 512: old= 376599 + 218.9*reloc, lut= 366951 + 191.3*reloc
(ns)\nrelocation: buffers=1024: old=1190077 + 333.2*reloc, lut=1174841 +
264.4*reloc (ns)\nrelocation: buffers=2048: old=3588263 + 496.3*reloc,
lut=3563453 + 333.0*reloc (ns)\nskip-relocs: buffers=   1: old=   6681 +
88.3*reloc, lut=   6392 + 81.1*reloc (ns)\nskip-relocs: buffers=   2: old=  
7372 + 88.4*reloc, lut=   7124 + 81.1*reloc (ns)\nskip-relocs: buffers=   4:
old=   8286 + 88.5*reloc, lut=   7936 + 81.3*reloc (ns)\nskip-relocs: buffers= 
 8: old=  10099 + 88.6*reloc, lut=   9669 + 81.4*reloc (ns)\nskip-relocs:
buffers=  16: old=  12409 + 95.8*reloc, lut=  13120 + 81.6*reloc
(ns)\nskip-relocs: buffers=  32: old=  22337 + 89.3*reloc, lut=  21921 +
81.8*reloc (ns)\nskip-relocs: buffers=  64: old=  42431 + 92.3*reloc, lut= 
40941 + 83.5*reloc (ns)\nskip-relocs: buffers= 128: old=  95018 + 95.6*reloc,
lut=  93127 + 85.7*reloc (ns)\nskip-relocs: buffers= 256: old= 186631 +
104.0*reloc, lut= 182497 + 93.1*reloc (ns)\nskip-relocs: buffers= 512: old=
376347 + 140.4*reloc, lut= 367393 + 113.9*reloc (ns)\nskip-relocs:
buffers=1024: old=1189452 + 231.7*reloc, lut=1172909 + 162.6*reloc
(ns)\nskip-relocs: buffers=2048: old=3580134 + 353.2*reloc, lut=3557845 +
229.6*reloc (ns)\nno-relocs: buffers=   1: old=   6012 + 30.2*reloc, lut=  
5861 + 23.8*reloc (ns)\nno-relocs: buffers=   2: old=   6690 + 30.3*reloc, lut=
  6561 + 23.9*reloc (ns)\nno-relocs: buffers=   4: old=   7413 + 30.5*reloc,
lut=   7335 + 24.0*reloc (ns)\nno-relocs: buffers=   8: old=   9098 +
30.7*reloc, lut=   8881 + 24.1*reloc (ns)\nno-relocs: buffers=  16: old=  12311
+ 30.7*reloc, lut=  12038 + 24.2*reloc (ns)\nno-relocs: buffers=  32: old= 
20864 + 30.8*reloc, lut=  20221 + 24.1*reloc (ns)\nno-relocs: buffers=  64:
old=  40160 + 32.2*reloc, lut=  38479 + 25.6*reloc (ns)\nno-relocs: buffers=
128: old=  90954 + 30.0*reloc, lut=  88742 + 23.0*reloc (ns)\nno-relocs:
buffers= 256: old= 179589 + 29.9*reloc, lut= 175230 + 22.9*reloc
(ns)\nno-relocs: buffers= 512: old= 362405 + 42.8*reloc, lut= 352873 +
33.3*reloc (ns)\nno-relocs: buffers=1024: old=1151193 + 41.7*reloc, lut=1132095
+ 29.7*reloc (ns)\nno-relocs: buffers=2048: old=3488270 + 45.6*reloc,
lut=3459551 + 29.1*reloc (ns)\n"

==Reproduce steps==
---------------------------- 
1. run all igt cases

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