buntu 16.04.2 fresh install no sound over hdmi if i boot from linux mint cinnamon 18.1 (live cd) the sound works fine.
Gigabyte BRIX GB-BKI3A-7100 (intel i3 7100u) 16gb ddr4 samsung evo850 m.2 ssd uname -a Linux i37100u 4.8.0-41-generic #44~16.04.1-Ubuntu SMP Fri Mar 3 17:11:16 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux lspci 00:00.0 Host bridge: Intel Corporation Device 5904 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation Device 5916 (rev 02) 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) 00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21) 00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI (rev 21) 00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) 00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1) 00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1) 00:1f.0 ISA bridge: Intel Corporation Device 9d58 (rev 21) 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21) 00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21) 00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21) 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection I219-LM (rev 21) 01:00.0 USB controller: ASMedia Technology Inc. ASM1142 USB 3.1 Host Controller 02:00.0 Network controller: Intel Corporation Device 24fb (rev 10) sudo aplay -l **** List of PLAYBACK Hardware Devices **** Home directory not accessible: Άρνηση πρόσβασης κάρτα 0: PCH [HDA Intel PCH], συσκευή 0: ALC255 Analog [ALC255 Analog] Υποσυσκευές: 1/1 Υποσυσκευή #0: subdevice #0 κάρτα 0: PCH [HDA Intel PCH], συσκευή 3: HDMI 0 [HDMI 0] Υποσυσκευές: 1/1 Υποσυσκευή #0: subdevice #0 κάρτα 0: PCH [HDA Intel PCH], συσκευή 7: HDMI 1 [HDMI 1] Υποσυσκευές: 1/1 Υποσυσκευή #0: subdevice #0 κάρτα 0: PCH [HDA Intel PCH], συσκευή 8: HDMI 2 [HDMI 2] Υποσυσκευές: 1/1 Υποσυσκευή #0: subdevice #0 pactl list sinks Δέκτης #0 Κατάσταση: SUSPENDED Όνομα: alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra1 Περιγραφή: Εσωτερικός ήχος Digital Stereo (HDMI 2) Οδηγός: module-alsa-card.c Προδιαγραφή δείγματος: s16le 2ch 44100Hz Απεικόνιση καναλιού: front-left,front-right Ενότητα κατόχου: 6 Σίγαση: no Ένταση: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100% / 0,00 dB ισορροπία 0,00 Βασική ένταση: 65536 / 100% / 0,00 dB Πηγή οθόνης: alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra1.monitor Λανθάνων χρόνος: 0 usec, ρυθμισμένο 0 usec Σημαίες: HARDWARE DECIBEL_VOLUME LATENCY SET_FORMATS Ιδιότητες: alsa.resolution_bits = "16" device.api = "alsa" device.class = "sound" alsa.class = "generic" alsa.subclass = "generic-mix" alsa.name = "HDMI 1" alsa.id = "HDMI 1" alsa.subdevice = "0" alsa.subdevice_name = "subdevice #0" alsa.device = "7" alsa.card = "0" alsa.card_name = "HDA Intel PCH" alsa.long_card_name = "HDA Intel PCH at 0xdf240000 irq 135" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:00:1f.3" sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0" device.bus = "pci" device.vendor.id = "8086" device.vendor.name = "Intel Corporation" device.product.id = "9d71" device.form_factor = "internal" device.string = "hdmi:0,1" device.buffering.buffer_size = "65536" device.buffering.fragment_size = "32768" device.access_mode = "mmap+timer" device.profile.name = "hdmi-stereo-extra1" device.profile.description = "Digital Stereo (HDMI 2)" device.description = "Εσωτερικός ήχος Digital Stereo (HDMI 2)" alsa.mixer_name = "Realtek ALC255" alsa.components = "HDA:10ec0255,1458fa55,00100002 HDA:8086280b,80860101,00100000" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" Θύρες: hdmi-output-1: HDMI / DisplayPort 2 (priority: 5800, available) Ενεργή θύρα: hdmi-output-1 Μορφές: ac3-iec61937, format.rate = "[ 32000, 44100, 48000 ]" eac3-iec61937, format.rate = "[ 32000, 44100, 48000 ]" mpeg-iec61937, format.rate = "[ 32000, 44100, 48000 ]" dts-iec61937, format.rate = "[ 32000, 44100, 48000 ]" mpeg2-aac-iec61937, format.rate = "[ 32000, 44100, 48000 ]" pcm -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1533343 Title: No sound from internal speakers after boot with connected headphones Status in alsa-driver package in Ubuntu: Confirmed Bug description: On Lenovo L450 laptop, when I boot the PC with headphones attached, then the sound via headphones will work, but there will be no sound from internal speakers when headphones are detached. I tested this couple of times and the problem is always reproduced. This is the procedure A: 1. When the problem is not present, sound is present in laptop's speakers, connect the headphones 2. initiate reboot 3. once booted, initiate playing of some audio and check the sound from headphones - it will work OK 4. disconnect the headphones - there is no sound from internal speakers Procedure B: 1. turn off the laptop (power off) 2. connect the headphones to the laptop 3. power on the laptop and boot into Ubuntu 15.10 4. once booted, initiate playing of some audio and check the sound from headphones - it will work OK 5. disconnect the headphones - there is no sound from internal speakers ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6 Uname: Linux 4.2.0-23-generic x86_64 ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ygzo 2125 F.... pulseaudio /dev/snd/controlC0: ygzo 2125 F.... pulseaudio CurrentDesktop: Unity Date: Tue Jan 12 20:44:49 2016 InstallationDate: Installed on 2015-10-05 (99 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Speaker, Internal Symptom_Type: Only some of outputs are working Title: [20DT0003XS, Realtek ALC3232, Speaker, Internal] Playback problem UpgradeStatus: Upgraded to wily on 2015-11-03 (70 days ago) dmi.bios.date: 08/19/2015 dmi.bios.vendor: LENOVO dmi.bios.version: JDET54WW (1.16 ) dmi.board.asset.tag: Not Available dmi.board.name: Intel powered classmate PC dmi.board.vendor: LENOVO dmi.board.version: SDK0E50510 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrJDET54WW(1.16):bd08/19/2015:svnLENOVO:pn20DT0003XS:pvrThinkPadL450:rvnLENOVO:rnIntelpoweredclassmatePC:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone: dmi.product.name: 20DT0003XS dmi.product.version: ThinkPad L450 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1533343/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp