[Bug 84892] New: [BYT]igt/gem_concurrent_blit sporadically causes *ERROR* timed out waiting for Punit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84892

            Bug ID: 84892
           Summary: [BYT]igt/gem_concurrent_blit sporadically causes
                    *ERROR* timed out waiting for Punit
           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, unstable

Non-working platforms: BYT

==kernel==
--------------------------
drm-intel-nightly/ea4bec8e96ea8b33b49a7892c1c7f20041a56da6

==Bug detailed description==
-----------------------------
It sporadically causes "*ERROR* timed out waiting for Punit" when run
automation testing. I can't reproduce it manually. 
Following sub cases have this issue:
case                                             fail rate(in recent 10 days)
cpu-bcs-early-read-interruptible                   1/10
cpu-bcs-overwrite-source-forked                    2/10
cpu-rcs-gpu-read-after-write-forked                1/10
cpu-rcs-overwrite-source-interruptible             1/10
gtt-bcs-early-read-interruptible                   1/10
gttX-bcs-overwrite-source-interruptible            1/10
gtt-rcs-early-read-interruptible                   1/10  
gtt-rcs-overwrite-source-forked                    1/10
gttX-bcs-overwrite-source-interruptible            1/10
prw-bcs-gpu-read-after-write-interruptible         1/10
gttX-bcs-gpu-read-after-write-interruptible        1/10

run log:
@test: Intel_gpu_tools/igt_gem_concurrent_blit_gtt-rcs-overwrite-source-forked
info: @@@Returncode: 0

test case start at: Wed Oct  1 00:46:50 2014
test case end at:   Wed Oct  1 00:47:07 2014

Errors:


Dmesg:
<3>[ 1230.838096] [drm:vlv_set_rps_idle] *ERROR* timed out waiting for Punit
<3>[ 1231.595680] [drm:vlv_set_rps_idle] *ERROR* timed out waiting for Punit


Output:
             command   pid dev master a   uid      magic
Test Environment check: Succeeded.
[1/1] dmesg-warn: 1 Running Test(s): 0
[1/1] dmesg-warn: 1 Running Test(s): 1
Thank you for running Piglit!
Results have been written to /GFX/Test/Piglit/piglit/t
{
    "results_version": 1,
    "name": "t",
    "options": {
        "profile": [
            "tests/igt.py"
        ],
        "dmesg": false,
        "execute": true,
        "log_level": "quiet",
        "platform": "mixed_glx_egl",
        "test_suffix": "",
        "valgrind": false,
        "sync": false,
        "filter": [
            "igt/gem_concurrent_blit/gtt-rcs-overwrite-source-forked$"
        ],
        "concurrent": "some",
        "test_count": 0,
        "exclude_tests": [],
        "exclude_filter": []
    },
    "lspci": "00:00.0 Host bridge: Intel Corporation ValleyView
SSA-CUnit\n00:02.0 VGA compatible controller: Intel Corporation ValleyView
Gen7\n00:13.0 SATA controller: Intel Corporation ValleyView 6-Port SATA AHCI
Controller\n00:14.0 USB controller: Intel Corporation ValleyView USB xHCI Host
Controller\n00:1a.0 Encryption controller: Intel Corporation ValleyView
SEC\n00:1b.0 Audio device: Intel Corporation ValleyView High Definition Audio
Controller\n00:1c.0 PCI bridge: Intel Corporation ValleyView PCI Express Root
Port\n00:1c.1 PCI bridge: Intel Corporation ValleyView PCI Express Root
Port\n00:1c.2 PCI bridge: Intel Corporation ValleyView PCI Express Root
Port\n00:1c.3 PCI bridge: Intel Corporation ValleyView PCI Express Root
Port\n00:1f.0 ISA bridge: Intel Corporation ValleyView Power Control
Unit\n00:1f.3 SMBus: Intel Corporation ValleyView SMBus Controller\n01:00.0
Ethernet controller: Intel Corporation 82572EI Gigabit Ethernet Controller
(Copper) (rev 06)\n",
    "uname": "Linux x-byt06 3.17.0-rc7_drm-intel-nightly_54faa9_20141002+ #142
SMP Thu Oct 2 11:25:44 CST 2014 x86_64 x86_64 x86_64 GNU/Linux\n",
    "tests": {
 "tests": {
        "igt/gem_concurrent_blit/gtt-rcs-overwrite-source-forked": {
            "dmesg": "[ 1230.838096] [drm:vlv_set_rps_idle] *ERROR* timed out
waiting for Punit\n[ 1231.595680] [drm:vlv_set_rps_idle] *ERROR* timed out
waiting for Punit",
            "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_concurrent_blit
--run-subtest gtt-rcs-overwrite-source-forked",
            "result": "dmesg-warn",
            "time": 11.689888000488281,
            "out": "IGT-Version: 1.8-g5782eca (x86_64) (Linux:
3.17.0-rc7_drm-intel-nightly_54faa9_20141002+ x86_64)\nusing 2x512 buffers,
each 1MiB\nSubtest gtt-rcs-overwrite-source-forked: SUCCESS (11.563s)\n"
        }
    },
    "time_elapsed": 11.854626178741455
}
returncode: 0
result: dmesg-warn
summary:
Intel_gpu_tools/igt_gem_concurrent_blit_gtt-rcs-overwrite-source-forked   
DMESG_WARN    reboot

==Reproduce steps==
---------------------------- 
1. run all igt cases 10 cycles.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20141011/93d960f8/attachment.html>