You have to file upstream bug report You have front headphone jack and headphone playback switch but no headphone playback volume
This mean that headphone and green line out share front playback volume control 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Path analog-output-lineout (Line Out), direction=1, priority=99, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=42, min_dB=-177, max_dB=0 ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Master, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Headphone, direction=1, switch=2, volume=0, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Front, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Surround, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x60, n_channels=2, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Side, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0xc00, n_channels=2, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Center, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x4900000000018, n_channels=1, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element LFE, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x80, n_channels=1, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element PCM, direction=1, switch=0, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element IEC958, direction=1, switch=2, volume=0, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out, alsa_name='Line Out Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Phantom, alsa_name='Line Out Phantom Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Headphone, alsa_name='Headphone Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Front, alsa_name='Line Out Front Jack', detection possible ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Front Phantom, alsa_name='Line Out Front Phantom Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out CLFE, alsa_name='Line Out CLFE Jack', detection possible ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out CLFE Phantom, alsa_name='Line Out CLFE Phantom Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Surround, alsa_name='Line Out Surround Jack', detection possible ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Surround Phantom, alsa_name='Line Out Surround Phantom Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Side, alsa_name='Line Out Side Jack', detection possible ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Line Out Side Phantom, alsa_name='Line Out Side Phantom Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Path analog-output-headphones (Headphones), direction=1, priority=90, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=42, min_dB=-114, max_dB=0 ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Master, direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Headphone, direction=1, switch=1, volume=0, volume_limit=-1, enumeration=0, required=0, required_any=4, required_absent=0, mask=0x0, n_channels=0, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Front, direction=1, switch=1, volume=3, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Surround, direction=1, switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Side, direction=1, switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element Center, direction=1, switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element LFE, direction=1, switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element PCM, direction=1, switch=0, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Element IEC958, direction=1, switch=2, volume=0, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=no ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Dock Headphone, alsa_name='Dock Headphone Jack', detection unavailable ( 0.089| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Dock Headphone Phantom, alsa_name='Dock Headphone Phantom Jack', detection unavailable ( 0.090| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Front Headphone, alsa_name='Front Headphone Jack', detection possible -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1521987 Title: Sound is not automatically switched back from headphones to speakers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1521987/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs