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#1 2019-10-08 03:01:12

25morefloors
Member
Registered: 2019-10-08
Posts: 4

No sound in xfce4 on chromebook using crouton

I am running xfce4 on a chromebook using crouton . It is xfce4 version 4.12 distributed by Xubuntu.
The sound works fine on chrome OS but when switched to xfce4 suddenly it does not work . Previously it had worked properly for years.
Pulse audio shows one output device cras and it isnt muted .
The chromebook is a acer chromebook 15.

I tried removing and reinstalling pulse audio but no change.
I'm not sure what else to do , any help would be greatly appreciated

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#2 2019-10-08 11:18:39

MrEen
Member
Registered: 2019-04-19
Posts: 77

Re: No sound in xfce4 on chromebook using crouton

Hi 25morefloors, and welcome to the forum.

Chromebooks often need a tweak or two to get sound working. Run this in the terminal and paste back the output it returns:

aplay -l

Hopefully that will give enough info to know what fix to apply.

Also, the newest kernels are adding more support. It's possible a 5.3x kernel might simply work.

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#3 2019-10-08 14:37:32

25morefloors
Member
Registered: 2019-10-08
Posts: 4

Re: No sound in xfce4 on chromebook using crouton

Thanks for the response : )

the output is

aplay: device_list:268: no soundcards found...

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#4 2019-10-08 21:12:31

MrEen
Member
Registered: 2019-04-19
Posts: 77

Re: No sound in xfce4 on chromebook using crouton

Darn. That one doesn't help. I need a codec to be able to find the right fix. Let's see if either of these get's us there:

dmesg | grep -C1 -E 'ALSA|HDA|HDMI|snd[_-]|sound|hda.codec|hda.intel'
journalctl -k | grep -Ei "snd|sound|audio|multi"

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#5 2019-10-09 02:48:18

25morefloors
Member
Registered: 2019-10-08
Posts: 4

Re: No sound in xfce4 on chromebook using crouton

after the first one :

[    0.449374]   Magic number: 7:794:4
[    0.449519] ALSA device list:
[    0.449524]   No soundcards found.
[    0.449550] Warning: unable to open an initial console.
--
[    5.739320] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
[    5.744041] hda-intel 0000:00:1b.0: Applying patch firmware 'auron_yuna_alsa.fw'
[    5.747122] snd_hda_intel 0000:00:03.0: irq 61 for MSI/MSI-X
[    5.747441] snd_hda_intel 0000:00:1b.0: irq 62 for MSI/MSI-X
[    5.817860] input: HDA Intel HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/sound/card0/input7
[    5.818033] input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card0/input6
[    5.818143] input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card0/input5
[    5.869700] SELinux: initialized (dev proc, type proc), uses genfs_contexts
[    5.872106] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input9
[    5.872397] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input8
[    5.872824] SELinux: initialized (dev proc, type proc), uses genfs_contexts

after the second one :

No journal files were found.

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#6 2019-10-09 19:13:18

MrEen
Member
Registered: 2019-04-19
Posts: 77

Re: No sound in xfce4 on chromebook using crouton

Something you've done has applied a firmware patch:

[    5.744041] hda-intel 0000:00:1b.0: Applying patch firmware 'auron_yuna_alsa.fw

Assuming you're not trying to get audio over HDMI, that patch is obviously not working for you. Any idea what you did to install that? Looks like it's a chromiumos thing. See if commenting out the single line in /etc/modprobe.d/alsa-auron_yuna.conf (or similar name) then running

sudo alsa force reload

allows the earlier commands to show the codec in use.

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#7 2019-10-10 00:35:33

MrEen
Member
Registered: 2019-04-19
Posts: 77

Re: No sound in xfce4 on chromebook using crouton

Did a little digging. I don't understand chroot stuff, but if you'd been running Xubuntu natively, I'd be instructing you to edit, as root, /etc/modprobe.d/alsa-base.conf adding this new line at the bottom:

options snd-hda-intel model=alc283-dac-wcaps

Then save the file and reboot.

That is basically all that firmware patch is doing, but may be doing in a way that isn't proper, I can't say.

Sources:
crouton = https://github.com/dnschneid/crouton
firmware patch = https://chromium-review.googlesource.co … na_alsa.fw

I hope that's of some help.

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#8 2019-10-10 00:56:58

25morefloors
Member
Registered: 2019-10-08
Posts: 4

Re: No sound in xfce4 on chromebook using crouton

It seems that neither alsa-auron_yuna.conf nor alsa-base.conf are files in /etc/modprobe.d

these are the files that are there

blacklist-ath_pci.conf   blacklist-framebuffer.conf   blacklist-watchdog.conf  fbdev-blacklist.conf  mlx4.conf
blacklist-firewire.conf  blacklist-rare-network.conf  blacklist.conf           iwlwifi.conf

Do you think that is the problem ?

I just want to thank you again for your continued support.

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#9 2019-10-10 01:48:38

MrEen
Member
Registered: 2019-04-19
Posts: 77

Re: No sound in xfce4 on chromebook using crouton

Yes, that could very well be the problem. I could be wrong with my lack of knowledge about crouton.

I have 21 files in that folder, from a standard install of Mint 18.3, including the 9 you have. I'm sure some of them are not relevant to your issue, but I'd think the lack of alsa-base.conf might be what's preventing you from getting sound.

Assuming you use this like a normal install of Xubuntu, I believe this might be what you need to run in the terminal

sudo apt-get install --reinstall alsa-base

Hope that helps.

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