[Intel-gfx] [QA 09/19 ww38] Testing report for `drm-intel-testing` (was: Updated -next)

[Sun, Yi]

Summary
We covered the platform: Broadwell, Baytrail-M, Haswell (mobile, desktop and ULT), Ivybridge, SandyBridge, IronLake.
In this circle, 2 new bugs are filed.
Bug 84071<https://bugs.freedesktop.org/show_bug.cgi?id=84071> - [BYT]System output ERROR, when machine resume from S3
Bug 84031<https://bugs.freedesktop.org/show_bug.cgi?id=84031> - [BDW Regression]snow shows while playing video with "mplayer -vo xv:adaptor=0 MPEG-2.mpeg"

Finding
6 Top bugs
Bug 83094<https://bugs.freedesktop.org/show_bug.cgi?id=83094> - [BDW Bisected]System dmesg contains "ERROR" when machine resumes from s3
Bug 82340<https://bugs.freedesktop.org/show_bug.cgi?id=82340> - [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)
Bug 82842<https://bugs.freedesktop.org/show_bug.cgi?id=82842> - [BYT-M]System unable go to S4 sporadically   (This round testing didn’t come across this issue)
Bug 82593<https://bugs.freedesktop.org/show_bug.cgi?id=82593> - [BYT]udevadm unable to monitor HDMI plug/unplug event sporadically     (This round testing didn’t come across this issue)
Bug 74102<https://bugs.freedesktop.org/show_bug.cgi?id=74102> - [ILK/SNB/IVB/HSW Regression]igt/testdisplay causes *ERROR* Pipe A FIFO underrun
Bug 76877<https://bugs.freedesktop.org/show_bug.cgi?id=76877> - [HSW/BYT]Sysfs RC6 residency counter is inaccurate

Test Environment

Kernel version:

drm-intel-testing 2014_09_06

8acc647bfa759a01f2fce4e0966e58f51df561c2

Power consumption :
HSW FBC feature saves consumption 1.87%(This is really big compare old data), LPSP feature saves consumption 0.52%.
BDW FBC feature saves consumption 1.80%(This is big, too), LPSP feature saves consumption 0.69%

Power consumption :
HSWU

drm-intel-testing-09-06

save

i915.enable_fbc=1

1.91%

i915.enable_fbc=1=-1 (default)disable

　

　

i915.disable_power_well=1

0.53%

i915.disable_power_well=0

BDW

drm-intel-testing-09-06

　

i915.enable_fbc=1

1.83%

i915.enable_fbc=1=-1 (default)disable

　

　

i915.disable_power_well=1

0.69%

i915.disable_power_well=0



Machine Details:
BDW  x-bdw09 x-bdw21
HSW  x-hswu22 x-hsw27 x-hswu36
BYT   x-byt06
SNB   x-sgb4
IVB    x-ivb20
ILK    x-e6510

Thanks
  --Sun, Yi

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