seem jack detection problem (plugged in and plugged out many times for a short period of time)
you may need to study the user manual of the motherboard/computer chassis and check the connection of your computer chassis front audio panel Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 1.866) [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now plugged in Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 0.000) [pulseaudio] device-port.c: Setting port analog-output-headphones to status yes Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 0.000) [pulseaudio] module-switch-on-port-available.c: finding port analog-output-headphones Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 0.000) [alsa-sink] alsa-mixer.c: Activating path analog-output-headphones Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 1.866) [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now plugged in Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 0.000) [pulseaudio] device-port.c: Setting port analog-output-headphones to status yes Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 0.000) [pulseaudio] module-switch-on-port-available.c: finding port analog-output-headphones Jul 19 23:22:55 armory pulseaudio[1732]: ( 1.866| 0.000) [alsa-sink] alsa-mixer.c: Activating path analog-output-headphones Jul 19 23:22:56 armory pulseaudio[1732]: ( 3.082| 1.172) [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now plugged in Jul 19 23:22:56 armory pulseaudio[1732]: ( 3.082| 0.000) [pulseaudio] device-port.c: Setting port analog-output-headphones to status yes Jul 19 23:22:56 armory pulseaudio[1732]: ( 3.082| 0.000) [pulseaudio] module-switch-on-port-available.c: finding port analog-output-headphones Jul 19 23:22:56 armory pulseaudio[1732]: ( 3.082| 0.000) [alsa-sink] alsa-mixer.c: Activating path analog-output-headphones -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1203235 Title: [H87N-WIFI, Realtek ALC892, Green Line Out, Rear] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1203235/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
