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#1 2012-11-21 13:01:40

Registered: 2012-11-08
Posts: 6

Sound disappeared from HDMI. MSI message in dmesg.

I use a laptop with slim/xmonad and frequently plug it into my TV and found this to automate the process off setting sound and picture when i plug it in.
Tested it out and seemed to work fine, and now 2 days later, I get no sound from HDMI. PC speaker and headphones work fine and with other PC sound works over HDMI.

I checked and it does change asound.conf when I insert HDMI cable. I don't use a .asoundrc.conf for this user.

     pcm "hw:0,3"

But I still get no sound from system or with:

speaker-test -c 2 -D plughw:0,3

I have checked alsamixer if any channels are muted and also manually restarted alsa with:

systemctl restart alsa-restore

Some info:

lspci | grep -i audio 
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC270 Analog [ALC270 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
aplay -L
    Discard all samples (playback) or generate zero samples (capture)
    PulseAudio Sound Server
    HDA Intel, ALC270 Analog
    Default Audio Device
    HDA Intel, ALC270 Analog
    Front speakers
    HDA Intel, ALC270 Analog
    4.0 Surround output to Front and Rear speakers
    HDA Intel, ALC270 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
    HDA Intel, ALC270 Analog
    5.0 Surround output to Front, Center and Rear speakers
    HDA Intel, ALC270 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
    HDA Intel, ALC270 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
    HDA Intel, HDMI 0
    HDMI Audio Output
lsmod | grep snd
snd_hda_codec_hdmi     24487  1 
snd_hda_codec_realtek    61193  1 
snd_hda_intel          26180  2 
snd_hda_codec          98033  3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep               6300  1 snd_hda_codec
snd_pcm                75167  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc          7217  2 snd_pcm,snd_hda_intel
snd_timer              18934  2 snd_pcm
snd                    59989  9 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec,snd_hda_intel
soundcore               5442  1 snd

I'm not to familiar with how things should look but shouldn't HDA Intel, ALC270 Analog be along in:

aplay -L
    HDA Intel, HDMI 0
    HDMI Audio Output

Also a curious message in dmesg, I'm not using anything from MSI asfar as I know.

dmesg | grep snd
[    4.922456] snd_hda_intel 0000:00:1b.0: irq 45 for MSI/MSI-X


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