Summary
We covered the platform: Skylake, Braswell, Broadwell, Haswell, Baytrail, Sandybridge. In this circle, 10 new bugs have been found (89055,
89073 ,
89074,
89036,
89053 ,
89350,
89461,
89462,
89439,
89454,
89401) in manual testing and 3 new bugs have been found in nightly tetsing.
Test Environment
Kernel version: drm-intel-testing-2015-02-27 commit f4213123347e2c8027afe113de47ea7627f95cd8
Quality Status
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Platform
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Status
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SKL
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Tested on Skylake mobile
89055 [SKL mobile]"testdisplay –a "case causes Call Trace "at drivers/gpu/drm/i915/intel_pm.c"
89073 [SKL mobile]DP probably fails
to be lighted up , plug in after os boot up.
89074 [SKL mobile]HDMI sporadically fails to be lighted up , plug in after os boot up.
89036 [SKL regression] 3 pipe displays cannot work together randomly(fail rate: 20%)
89053 [SKL] “xrandr –output DP2 –rotation
<rotation>” leads black screen.
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BSW
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Tested with V55 BIOS with ‘dynamic memory self refresh’ disabled as a workaround of black screen issue (87666
). To workaround bug 89350, we also apply the patch in 89350 upon
drm-intel-testing-2015-02-27.
89350 - [BSW bisected] kernel fails to start up
89461 - [BSW] replug HDMI/DP cable does not light up screen sometimes
89462 - [BSW] System recognize DVI monitor as HDMI
89005 - [BSW Regression] System will hang after suspend/resume for several times
89002 testdisplay shows black screen for HDMI 4K monitor
88963 [BSW] DP screen is black when running testdisplay on some modes
88382 HDMI screen becomes black after resuming from S3/S4
87666
[BSW] Only DP screen shows text when DP and HDMI screen are connected
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BDW
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89439 - [BDW] xterm disappears on HDMI screen if rotate from left to right after S3
86478 *ERROR*
uncleared pch fifo underrun on pch transcoder A & *ERROR* uncleared fifo underrun on pipe B while plugging in VGA
Below bug is fixed:
88875 [HSW/BDW]S4 resume cause reboot sporadically: Not our bug
|
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HSW
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86233 - [HSW regression] PCH transcoder A FIFO underrun while hot-plug VGA
82551 - [HSW/BDW] HDMI hot plug sporadically cause ERROR
Below bug is fixed:
88875 [HSW/BDW]S4 resume cause reboot sporadically: Not our bug
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BYT
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89454 - [BYT-M]S3 state cause dmesg error
89401 - [BYT]Some testdisplay case cause screen flicker on testing branch
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SNB
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83516 - [SNB/HSW] *ERROR* too many voltage retries, give up
74102 - [ILK/SNB/IVB/HSW]igt/testdisplay causes *ERROR* Pipe A FIFO underrun
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New bugs found in nightly testing:
89399 - [BYT]igt/kms_flip/flip-vs-expired-vblank
fail
89390 - [HSW/BDW]gem_exec_big causes system hang
89388 - [all bisected]system hang and BUG: unable
to handle kernel NULL pointer dereference at 0000000000000084 when kill X
Power saving measurement :
|
HSWU36
|
|
drm-intel-testing-02-27
|
save consumption
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i915.enable_fbc=1
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0.60%
|
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i915.enable_fbc=1=-1 (default)disable
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|
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i915.disable_power_well=1
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0.65%
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i915.disable_power_well=0
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BDW21
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|
drm-intel-testing-02-27
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save consumption
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i915.enable_fbc=1
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0.46%
|
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i915.enable_fbc=1=-1 (default)disable
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|
|
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i915.disable_power_well=1
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0.25%
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i915.disable_power_well=0
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Bests
Jeff
