IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 21 November 2017   (all times are UTC)

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16:31
<JerryT>
Any ideas why we have no audio on the newer LTSP? We had an old version from Ubuntu 14 or so that worked fine but we were on 32bit and have moved to 64...
16:32
<alkisg>
On the server or on the clients?
16:41
<JerryT>
clients
16:41
<alkisg>
Which CPU and which kernel?
16:48
<JerryT>
CPU N2808
16:49
4.4.0
16:51
<alkisg>
HDMI sound?
16:51
You still use 14.04 instead of 16.04?
16:52
It sounds like your kernel doesn't support your chipset and you need a newer kernel, but gotta go now, later...
16:55
<JerryT>
16.04
16:55
We were on 14 and 32bit
16:55
Now we're 64bit/16.04
16:56
cya
16:57
<||cw>
kernel occasionally drops drivers too. especially if it never was made to work right in x64
16:59
it's likely hdmi audio config, that can randomly turn itself off
17:00
<fiesh>
JerryT: does your device have built-in audio as well as HDMI audio? It can also be an issue of which audio device is chosen by default, you can choose by setting a command line parameter to the kernel / the alsa module
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17:29
<alkisg>
JerryT: 16.04 is using kernel 4.10 currently, update your chroot with the newest hwe stack
17:29
https://wiki.ubuntu.com/Kernel/LTSEnablementStack
17:29
Also, check what others said about default audio output device
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17:39
<JerryT>
Ok, thank you
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18:08
<JerryT>
alkisg, did that and now the thinclient doesn't boot.
18:15
<alkisg>
you probably did something wrong
18:29
<JerryT>
Odd
18:30
I just used apt-get to install and then rebuilt the image
18:30
2 commands, lol
18:31
<quinox>
you need 3 if you update the kernels I think
18:31
ltsp-update-kernels
18:31
<JerryT>
Ohhhhhh
18:31
True!
18:31
<alkisg>
ltsp-update-image also calls ltsp-update-kernels
18:32
<JerryT>
Oh
18:32
<alkisg>
You'd need to remove the older kernel. And, install the newer xorg too
18:32
<JerryT>
Well then we're still at 2
18:32
sudo apt-get install --install-recommends linux-generic-hwe-16.04 xserver-xorg-hwe-16.04
18:32
then ltsp-update-image
18:32
<alkisg>
You did that inside the chroot?
18:32
<JerryT>
No
18:33
<alkisg>
Are you using ltsp-pnp?
18:33
Erm... what's the output of sudo ltsp-info? Put it to pastebin
18:36
<JerryT>
https://pastebin.com/8Yz5NNmA
18:40
<alkisg>
JerryT: it looks like you're using ltsp-pnp
18:40
So, I suppose you ran ltsp-update-image -c /
18:40
What is the error message of the client, now that it doesn't boot?
18:41
<JerryT>
Yah, ltsp-update-image --cleanup /
18:42
It stalls at:
18:42
Started Set console scheme.
18:44
<alkisg>
I don't remember that message, type a couple more lines...
18:44
Do you see the client in epoptes?
18:48
<JerryT>
Yes
18:48
<alkisg>
OK, right click on it, open a terminal, check /var/log/Xorg.0.log
18:48
Xorg.0.log.old
18:48
Do you see xorg errors?
18:49
<JerryT>
epoptes shows the screensaver running
18:49
But the actual thinclient doesn't display that.
18:49
Checking log now...
18:51
Last thing is complaining about the VMWare Mouse
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18:52
<alkisg>
JerryT: ok, then the client does boot and you just got bit by the "ghost second display" intel bug
18:52
<JerryT>
Oh noes!
18:52
<alkisg>
Right click open terminal from epoptes, type xrandr, pastebin the output
18:52
Do you see two monitors with modes there, e.g. eDP-1 etc?
18:55
<JerryT>
It won't let me copy out of that terminal
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18:56
<JerryT>
but running xrandr made the desktop popup on the thin client
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18:57
<JerryT>
I have VGA-1 and DP-1 but VGA-1 is the only one with dimensions.
18:57
Also 2 HDMI too
18:57
But they don't have modes either
18:59
<alkisg>
OK, try this then, in lts.conf:
18:59
XRANDR_COMMAND_0="xrandr"
19:00
Btw, to copy/paste from xterm, you select the text, go elsewhere, and press middle click
19:00
I.e. select is also "copy", and middle click is "paste"
19:00
Does sound work now?
19:02
<JerryT>
Ok, thanks.
19:02
Checking now...
19:08
No, well it seems we do have local sounds from the OS but the browser and voip client have none.
19:08
Tested youtube and voip
19:11
<alkisg>
Check the output devices from the sound applet
19:11
The default output device there. Or/also configure your voip client to use the correct device.
19:13
<JerryT>
Yah, I think that might be where the problem lies. Is there a way to disable the onboard sound and just use the usb?
19:14
<alkisg>
Sure, go to bios and disable it. Or, blacklist the module.
19:18
<JerryT>
Yah, that's what I did. Just took it out at the bios.
19:18
Seemed the easiest.
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21:05
<JerryT>
Actually alkisg
21:06
It seems that the video is just an issue if we set FATCLIENT=False
21:07
Cause I had that commented out when troubleshooting. I put it back to True and the video is broke again.
21:07
xrandr doesn't do anything to fix it now.
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