Bug 93419 - HDMI and DP display audio will not work after long time test
Summary: HDMI and DP display audio will not work after long time test
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: x86-64 (AMD64) Linux (All)
: high major
Assignee: Focus.Luo
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-12-17 07:31 UTC by kenny
Modified: 2016-03-21 16:18 UTC (History)
5 users (show)

See Also:
i915 platform: HSW
i915 features: display/audio

Attachments
dmesg (58.93 KB, text/plain)
2015-12-17 07:31 UTC, kenny 		no flags Details
Test script (327 bytes, text/plain)
2015-12-17 07:31 UTC, kenny 		no flags Details
test.wav music file for test.sh (5.95 MB, audio/wav)
2015-12-17 07:33 UTC, kenny 		no flags Details
Monitor Speaker sound after issue happened (212.65 KB, audio/mpeg)
2015-12-17 07:34 UTC, kenny 		no flags Details
View All

Description kenny 2015-12-17 07:31:27 UTC 
Created attachment 120556 [details]
dmesg

System Environment
=======
CRB:SharkBay Desktop FC
Platform: Haswell
CPU: i7-4770S
Chipset PCH: Wildcat Point –LP B0
Audio card: HDA Intel HDMI
BIOS: HSWLPTU1.86C.0136.R00.1312030849
Kernel:4.4.0-rc2+
OS:Ubuntu 14.10
Tree: git://anongit.freedesktop.org/drm-intel
Branch:drm-intel-nightly
Commit: 552592507b76ed0d1301bf21cf20e00a15ded5bb

Bug detailed description
=======
Connect two monitors to CRB via HDMI and DP. Use aplay software to play music on 2 monitors' Speaker at the same time, about 5 minute, the sound of two monitors' Speaker are abnormal, no music, but  noise;

Reproduce Steps
==============
1. boot up
2. use attahced script to play music to two monitors

Expected Result
=============
Can always hear correct music from two monitors Speaker

Actual Result
===========
The sound of two monitors Speaker is noise. I recorded the noise as file abnormal_audio.mp3
Comment 1 kenny 2015-12-17 07:31:56 UTC 
Created attachment 120557 [details]
Test script
Comment 2 kenny 2015-12-17 07:33:24 UTC 
Created attachment 120558 [details]
test.wav music file for test.sh
Comment 3 kenny 2015-12-17 07:34:39 UTC 
Created attachment 120559 [details]
Monitor Speaker sound after issue happened
Comment 4 kenny 2015-12-17 07:46:31 UTC 
Sorry for my mistake. The chipset PCH should be LynxPoint Q87.
Comment 5 Tanu Kaskinen 2015-12-17 08:16:44 UTC 
PulseAudio doesn't seem to be involved in your test, so it looks like you filed the bug in the wrong place.
Comment 6 kenny 2015-12-17 08:34:14 UTC 
(In reply to Tanu Kaskinen from comment #5)
> PulseAudio doesn't seem to be involved in your test, so it looks like you
> filed the bug in the wrong place.

Thanks Tanu! I changed product to DRI.
Comment 7 kenny 2016-01-03 11:01:46 UTC 
I used the same method to test on BSW, issue doesn't happen.
Comment 8 cprigent 2016-01-05 17:20:24 UTC 
Bug scrub:
Hi Focus,
Could check this bug and discuss with Mengdong
Comment 9 Libin Yang 2016-03-17 12:35:26 UTC 
Can the bug be closed?
Comment 10 kenny 2016-03-18 01:09:36 UTC 
Sure, thanks for your great help!
Comment 11 Libin Yang 2016-03-18 01:21:45 UTC 
fixed. Confirmed with Kenny.
Comment 12 cprigent 2016-03-21 16:18:47 UTC 
So closed

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