[pulseaudio-tickets] [Bug 92614] New: [RealTek][ALC3226] Audio popping sound on bootup when gdm launches

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92614

            Bug ID: 92614
           Summary: [RealTek][ALC3226] Audio popping sound on bootup when
                    gdm launches
           Product: PulseAudio
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: alsa
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: shawn.starr at rogers.com
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

Created attachment 119094
  --> https://bugs.freedesktop.org/attachment.cgi?id=119094&action=edit
ALSA Sound Mixer information

What the kernel finds:

[    9.628766] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC3226:
line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:line
[    9.628768] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=1
(0x14/0x0/0x0/0x0/0x0)
[    9.628769] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1
(0x15/0x0/0x0/0x0/0x0)
[    9.628770] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[    9.628771] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[    9.628772] snd_hda_codec_realtek hdaudioC0D0:      Front Mic=0x18
[    9.628773] snd_hda_codec_realtek hdaudioC0D0:      Dock Mic=0x19
[    9.628774] snd_hda_codec_realtek hdaudioC0D0:      Headset Mic=0x1a
[    9.628775] snd_hda_codec_realtek hdaudioC0D0:      Internal Mic=0x12

When I start, I hear a rapid two drum beat from (both speakers I guess). Muting
audio in gdm does not stop this, starting laptop in single user mode, no issue.

Laptop: Dell Precision M6800
BIOS: A14 05/24/2015
Audio Controller: Intel Corporation 8 Series/C220 Series Chipset High
Definition Audio Controller

Can provide additional info, test patches.

Attempted to edit default.pa and added tsched=0 but no change in result.

-> load-module module-udev-detect tsched=0

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