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
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https://bugs.launchpad.net/bugs/1533343
Title:
No sound from internal speakers after boot with connected headphones
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1533343/+subscriptions
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