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


Channel log from 31 January 2020   (all times are UTC)

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20:30
<mnevans>
I got NAT working! I know, it is easy now.
20:30
I'm having trouble getting clients to read display information.
20:31
I've modified /etc/ltsp.conf, under [clients], I have INCLUDE=[crt_monitor].
20:31
Under [crt_monitor] I have:
20:32
X_MODES='"1920x1080" "1280x960" "1024x768" "800x600" "640x480"'
20:36
then ltsp image / , ltsp ipxe , ltsp initrd . Then reboot client. Still display goes to 720 x 480 refresh 0.0 Hz.
20:36
What am I doing wrong? Thank you...
20:39
service ltsp restart after making the ltsp.conf changes and reboot client?
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20:41
<mnevans>
One of my clients does auto pickup the right display. It is one make of client, and the ones not pickping up decent display specs are of another make.
21:25
For one client, with a display that should be 1280x960, I get 640x480. That is even when I have
21:25
X_MODES='"1280x960"
21:26
only.
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21:34
<mnevans>
And for another client with a display that should be 1920x1080, I also get 640x480.
21:35
The client that is getting the display at high resolution is at 1920x1080.
21:51
<alkisg>
It's /etc/ltsp/ltsp.conf
21:51
You can create a custom xorg.conf and test it
21:51
You don't need ltsp image, just ltsp initrd
21:52
After updating ltsp.conf, you just run ltsp initrd and you reboot the clients, nothing more
21:52
It sounds like a xorg problem though, if one works and another doesn't; so just try to manually make an appropriate xorg.conf
22:04
<mnevans>
Alkis - thanks. I hadn't looked at xorg.conf. Let me try that.
22:14
<alkisg>
You can get a shell with epoptes, modify xorg.conf with nano, and run systemctl restart lightdm until you get it right
22:15
No need to reboot the client at all
22:16
<mnevans>
I think the first problem is: I haven't got an xorg.conf. I read the man pages for xorg.conf, though...
22:16
:)
22:16
so could make such a file using Xorg :2 -configure.
22:17
Would I do that in the epoptes shell? Or on the server?
22:17
<alkisg>
mnevans, if you use X_MODE in ltsp.conf and you run ltsp initrd and you don't have a xorg.conf... then you really did something wrong :)
22:18
*X_MODES
22:18
As X_MODES creates an /etc/X11/xorg.conf
22:18
In the epoptes shell; you want a xorg.conf on the client not the server
22:18
<mnevans>
Hmm. Well, I have the following in /etc/ltsp/ltsp.conf:
22:19
<alkisg>
Use termbin/pastebin if you want
22:19
As you may have syntax errors or things in wrong section
22:20
<mnevans>
hmm, ok...
22:20
https://pastebin.com/aCf7M6xy
22:21
when I run service ltsp restart, no errors to the terminal window.
22:21
<alkisg>
You only need ltsp restart for nat
22:21
<mnevans>
maybe things in wrong section...
22:21
<alkisg>
It won't do anything for any other parameters
22:22
OK and did you use LIKE=crt_monitor anywhere?
22:22
Because that section won't do anything if you don't put it under some mac address etc
22:22
That's why I asked for all of ltsp.conf
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22:22
<alkisg>
This part that you pasted does nothing at all
22:22
<mnevans>
Yes, above that, first noncommented line under [clients], I have INCLUDE=crt_monitor
22:23
<alkisg>
Do you want me to see over vnc?
22:23
It'll take hours with little information...
22:23
!vnc-edide
22:23
<ltspbot>
vnc-edide: To share your screen with me, open Epoptes → Help menu → Remote support → Host: srv1-dide.ioa.sch.gr, and click the Connect button
22:24
<mnevans>
You are very kind.
22:24
<alkisg>
np; it's usually faster that way :)
22:25
<mnevans>
I do keep notes - but then system is stable and things evolve... like ltsp5 --> 19
22:27
<alkisg>
mnevans, save, and run ltsp initrd
22:27
then reboot client
22:27
Nah nah I really don't want to learn emacs
22:27
I already have to remember 5 vi shortcuts :P
22:29
mnevans, and what's the goal?
22:29
Which client to get which resolution?
22:32
mnevans, you don't want a xorg.conf
22:32
You want a newer kernel and possibly xorg
22:33
Now it's not using the amdgpu driver at all
22:33
So even if you did the resolution, it would be slow with no graphics acceleration
22:33
<mnevans>
I'm at Debian 10.2. I could install that package you just found. I thought I had installed X already...
22:33
<alkisg>
For example, I saw that in Ubuntu, some AMD clients needed kernel 5.3
22:34
You have kernel 4.19
22:34
Do not try with xorg.conf
22:34
Ask in #debian or google whichkernel/xorg you need, and how to install it
22:34
<mnevans>
Hmm. Was using Xorg with Debian Wheezy
22:34
<alkisg>
On that client?
22:34
<mnevans>
Yes
22:34
<alkisg>
OK then it's the opposite
22:34
The problem is that you don't have a driver
22:34
You need an older kernel/xorg then
22:35
[Radeon HD 6310
22:35
Debian also has some firmware paackages
22:35
<mnevans>
yes
22:35
I bet that's it
22:35
<alkisg>
Which may be needed for the driver to work
22:35
So, don't bother with xorg or ltsp
22:35
<mnevans>
This was a bare metal reinstall
22:35
<alkisg>
Ask how to properly use that card on debian
22:35
<mnevans>
Hmm ok.
22:36
That would explain why a newer client (intel NUC box, ca 2018) works but these older clients do not.
22:37
<alkisg>
https://wiki.debian.org/AtiHowTo
22:37
apt-get install firmware-linux-nonfree libgl1-mesa-dri xserver-xorg-video-ati
22:38
Then ltsp image /, to send it to the clients
22:39
<mnevans>
not the xserver-xorg-video-radeon package you found before?
22:39
<alkisg>
But you already have that one
22:39
amdgpu, not radeon
22:39
I didn't search for radeon
22:39
But that's for newer cards
22:39
<mnevans>
Ah - reading the page you pointed out: ATI/HOWto
22:40
<alkisg>
Anyway, I'm off; if this doesn't work ask in #debian
22:43
<mnevans>
Thanks - all that software is installed already. Except firmware-linux-nonfree doesn't seem to exist in buster?
22:43
I might need to add a repository
22:44
<alkisg>
Or read the wiki page :) 2. Add "contrib" and "non-free" components to /etc/apt/sources.list, for example: # Debian 10 "Buster"
22:44
Search for that phrase, then continue reading
22:45* alkisg thinks mnevans doesn't really like reading wikis and man pages :D
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22:47
<mnevans>
You are making fun of me. OK, I deserve it, but it's hard for this poor scientist to keep up with you all!
22:49
<alkisg>
mnevans, it's just humor, I hope you dind't get offended or anything. I'm a teacher supporting 10+ teachers per day, 9 of them don't read man pages and wikies, so we're constantly teasing each other, don't think that I was being serious...
22:49
Anyway I"m off for real now, good night all
22:50
<mnevans>
Not at all! I can take a joke. Thanks again for your help!
22:50
<alkisg>
;)
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