[pulseaudio-tickets] [Bug 93419] New: HDMI and DP display audio will not work after long time test

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93419

            Bug ID: 93419
           Summary: HDMI and DP display audio will not work after long
                    time test
           Product: PulseAudio
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: alsa
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: kenny.xuan at intel.com
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

Created attachment 120556
  --> https://bugs.freedesktop.org/attachment.cgi?id=120556&action=edit
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

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