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Sound problems - Pulseaudio. Fedora 25, fully updated, no previous issues.

asked 2017-01-26 05:42:37 -0500

thingummybob gravatar image

updated 2017-01-27 15:46:15 -0500

Apparently not much love for this question. Maybe this forum is dying? Anyway, edited my question for reasons of: have done further testing.

I have now restored sound and can play e.g. music. from having: removed and reinstalled alsa-pulseaudio-plugins three times, purged temp files, and commented out some lines I added to /etc/pulse/default.pa

But there is still an issue, namely that my prior re-mapping of the stereo channels is no longer effective.

aplay -l gives

card 0: Intel [HDA Intel], device 0: ALC1200 Analog [ALC1200 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC1200 Digital [ALC1200 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0

Ran aplay -L and got

null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=Intel
HDA Intel, ALC1200 Analog
Default Audio Device
sysdefault:CARD=Intel
HDA Intel, ALC1200 Analog
Default Audio Device
front:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
Front speakers
surround21:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
HDA Intel, ALC1200 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
HDA Intel, ALC1200 Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=NVidia,DEV=0
HDA NVidia, HDMI 0
HDMI Audio Output
hdmi:CARD=NVidia,DEV=1
HDA NVidia, HDMI 0
HDMI Audio Output
hdmi:CARD=NVidia,DEV=2
HDA NVidia, HDMI 0
HDMI Audio Output
hdmi:CARD=NVidia,DEV=3
HDA NVidia, HDMI 0
HDMI Audio Output

I had used some code found elsewhere to previously (successfully) re-map the stereo channels, due to the way the power/audio leads are arranged for my desktop (i.e they don't allow me to set up speakers in 'natural' config). So while I have restored the sound at all, the following 'hack' no longer works:

load-module module-remap-sink sink_name=reverse-stereo master=1 channels=2 master_channel_map=front-right,front-left channel_map=front-left,front-right
set-default-sink reverse-stereo

If I test my speakers, the left and right channels will not 'reverse'.

Has some code changed ... (more)

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Comments

Oops! I added the comment in the answers section below.

nrama1 gravatar imagenrama1 ( 2017-01-26 18:56:21 -0500 )edit

I have glitchy audio from HDMI if I update anything newer than kernel-4.9.14-200.fc25.x86_64. Line out and Bluetooth audio all work fine so maybe this is a kernel driver problem? I'm not sure if it's the Intel Corporation HD Graphics 520 responsible for the HDMI audio or if it uses the HDA Intel PCH and Realtek ALC3235

dylan gravatar imagedylan ( 2017-05-06 22:36:11 -0500 )edit

4 Answers

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answered 2017-01-28 12:08:29 -0500

xmetax gravatar image

updated 2017-01-28 12:09:15 -0500

On XFCE,

Also had issues following update. Fixed it by:

sudo dnf install pavucontrol

Then I configured my 7.1 sound system from the GUI this provides. Not sure why that fixed it, but no more issues for me.

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Comments

Thanks for the tip. Actually, I've finally got it working again but - perhaps more importantly - have NO idea why it even broke, or what exact steps of mine got to the problem. Lots of clicking and swearing. If this keeps up I'll be off to Manjaro ;0)

thingummybob gravatar imagethingummybob ( 2017-01-29 03:08:31 -0500 )edit

I had similar issue; unfortunately the dnf install pavucontrol did not bring back the sound.

wolfv gravatar imagewolfv ( 2017-03-14 20:38:02 -0500 )edit
1

answered 2017-11-29 15:28:59 -0500

Fagner Sutel gravatar image

pulseaudio -k

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answered 2017-03-07 10:52:04 -0500

SteveEbey73701 gravatar image

updated 2017-03-29 11:11:01 -0500

I also had issues, and I deleted /etc/asound.conf and uncommented the default-sample-channels line in /etc/pulse/daemon.conf setting it to 8 for surround7.1. also uncommented default-sample-rate and set it to 96000 as my SB0570 Creative Labs has 96khz sample rate. all has been good, no buffer underruns or choppy sound. rebooted, and ran several sound programs together, vlc, discord voice chat, and kpat card game, sound was working on all the applications, with no interference. I also found a reference to C1E in a forum, as a possible cause, and have disabled that in my bios settings. As of 3 weeks, several kernel updates and new programs added including steam, i have no sound issues at all. C1E trys to power down devices it thinks are not busy, and caused my sound to drop out and restart. No problems since disabling it in the bios.

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answered 2017-01-26 18:52:20 -0500

nrama1 gravatar image

I am experiencing the same problem after the last update. I tried removing the plugin but got no sound in the GNOME version which worked perfectly just before the update. I did not do the "fix" on the LXDE version as Skype was also going to be removed(the dreaded dependency!) and did not relish the thought of reinstalling Skype. I tried undoing the update-I suspect the pulseaduio updates- but could not in both the GNOME and LXDE versions. I hope a fix is available soon as I need to boot into sdb where another copy of LXDE resides. I do not think I shall update that until a solution.

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Asked: 2017-01-26 05:42:37 -0500

Seen: 13,890 times

Last updated: Mar 29 '17