[pulseaudio-tickets] [Bug 86158] New: Analog Output blinks or resets with pop or stutter

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86158

            Bug ID: 86158
           Summary: Analog Output blinks or resets with pop or stutter
           Product: PulseAudio
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: misc
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: cjpembo at gmail.com
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

CentOS 7 x86_64
Asus P8Z68-V motherboard
Realtek ALC892
Gnome 3 desktop
nVidia GTX 770 with nVidia's driver

I have 3 devices I can choose from in Gnome's Sound Setting applet:

HDMI / DisplayPort2 - GK104 HDMI Audio Controller
Digital Output (S/PDIF) - Built-in Audio
Analog Output - Built-in Audio

I use Analog Output and sound is heard through the external speakers.

The volume icon on the top of the Gnome desktop blinks randomly and the sound
skips at the same moment.  I've updated to the latest mainline kernel but the
issue still persists.  It's like the application momentarily switches output
devices.  When the disconnect/reconnect occurs, the blue selection bar that
highlights which device you want to use for sound output "blinks" and a 4th
output device is momentarily shown/removed.  The 4th device is "Headphones -
Built-in Audio"

I've searched for a fix and the most promising leads didn't work:

options snd_hda_intel powersave=0 position_fix=1 or 2

I've tried disabling auto-muting in alsamixer... no luck

This card works flawlessly in Gnome 3 under archlinux, ubuntu, as well as
Windows 7.  Something about CentOS?

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