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


Channel log from 18 January 2016   (all times are UTC)

00:22
<Hyperbyte>
Maijin, did you put the LDM_DIRECTX=True?
00:22
You can also set color depth to 16, will save RAM
00:23
<Maijin>
I don't remember but I think it was uncomment after the "ltsp-config lts.conf --overwrite"
00:23
<Hyperbyte>
Also it's good to find out why it's slow. It's not necessarily the client, you can check that by watching cpu/ram usage in a terminal on the client
00:23
!screen_02
00:23
<ltsp`>
screen_02: To get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using_a_shell_SCREEN
00:23
<Hyperbyte>
It could be slow because of the network as well. If it's not gigabit, thin clients suffer. It could also be a hub or switch that's malfunctioning.
00:24
<Maijin>
I have tried with xfce it's a bit better
00:24
but still
00:24
<Hyperbyte>
Are you using thin or fat clients?
00:25
<Maijin>
Hyperbyte: thin client
00:31
well, I'll check tomorrow more
00:32
thanks for the help :)
00:33
<vagrantc>
gbaman: you can talk to me here.
00:33
<gbaman>
:)
00:35
Ok, any reason you might see that LTSP could interfere with a udev rule stored in /etc/udev/rules.d that works perfectly fine on standalone Raspbian, but not on LTSP. The rule sets a kernel device up as owned by the gpio group, but in all my testing, it is always owned by root
00:36
The rule being "SUBSYSTEM=="bcm2835-gpiomem", KERNEL=="gpiomem", GROUP="gpio", MODE="0660""
00:38
<vagrantc>
i don't see any way any ltspfs rules would interfere with that.
00:38
if you're really concerned, uninstall ltspfs to check.
00:39
<gbaman>
That going to break LTSP then?
00:39
<vagrantc>
ltspfs won't work, sure.
00:40
but i'm not suggesting to solve your problem, i'm suggesting a troubleshooting step
00:40
if you still have the problem after purging ltspfs*, then it's obviously not ltspfs, and ltspfs is the only thing that messes with udev rules in LTSP
00:41
<gbaman>
Chroot says ltspfs isn't actually installed
00:42
<vagrantc>
check for other packages with ltspfs in the name...
00:42
<gbaman>
:)
00:51
Unfortunately that didn't fix it
00:59
<Hyperbyte>
Maijin, thin client runs all software on the server, not on the client. If it's faster with XFCE than Gnome, that might suggest it's your server that's being slow.
01:00
<vagrantc>
gbaman: depends on your perspective, it means i'm off the hook! :P
01:00
<gbaman>
:)
01:00
<Hyperbyte>
Maijin, although it could have to do with graphical effects as well in Gnome, why XFCE is faster.
01:00
<gbaman>
Well, never know, could be something else hidden in there breaking it vagrantc that is LTSPs fault :D
01:01
<vagrantc>
gbaman: unsubstantiated theories
01:03
<Maijin>
Hyperbyte: Will investigate tomorrow
01:04
<Hyperbyte>
Maijin, sure. I'm going to bed. :-)
01:04
G'night.
01:05
<Maijin>
night ;)
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02:32
<gbaman>
vagrantc: Cracked it, was slightly LTSPs fault. The actual group wasn't in the chroot. It was on the server, and the users were all members of it, but it wasn't in the chroot. Even when added to the chroot, of course the IDs are then out of sync.
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05:45
<alkisg>
gbaman: ltsp does name mapping, not UID mapping, so if that doesn't work for you maybe you have an older ltsp version in the chroot
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09:13
<otuzoglu>
hi
09:13
i ve a problem with pinet
09:13
when i prepare sd card, it cant boo
09:13
t
09:14
is there any one
09:14
<alkisg>
!pinet
09:14
<ltsp`>
I do not know about 'pinet', but I do know about these similar topics: 'paste'
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09:15
<alkisg>
!raspberrypi
09:15
<ltsp`>
raspberrypi: (#1) Ubuntu/LTSP on Pi 2: https://help.ubuntu.com/community/UbuntuLTSP/RaspberryPi, or (#2) Debian/LTSP (with raspbian chroot) on Pi: http://cascadia.debian.net/trenza/Documentation/raspberrypi-ltsp-howto/, or (#3) unofficial Ubuntu/LTSP (with raspbian chroot) on Pi: http://pinet.org.uk/
09:15
<alkisg>
The first two methods are supported here
09:15
For the 3rd method of installing ltsp in raspberry pi, gbaman said that if he's not answering here, the users should mail him instead
09:16
<otuzoglu>
bye
09:16
<alkisg>
bye
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09:28
<heinz2k>
Hello, is there anybody how knows under which license the LTSP brand logo is published ?
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09:30
<alkisg>
jammcq: it was creative commons, wasn't it?
09:30
^
09:30
The contest for the logo...
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09:34
<heinz2k>
So its free to use ?
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09:42
<alkisg>
heinz2k: try to send a mail to the ltsp-discuss or ltsp-developers mailing list to get the answer from the copyright holders
09:42
It seems they're not here right now
09:45
<heinz2k>
Thank you ill try this
10:26
<alkisg>
heinz2k: here's the contest page: http://web.archive.org/web/20090117062958/http://www.disklessworkstations.com/cgi-bin/web/ltspContest.html
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17:33
<alkisg>
vagrantc: if you could test the relative xorg patch, it'd be nice... it works for me... https://bugs.launchpad.net/ltsp/+bug/816139
17:34
I pushed the pending patch for ldm, I don't think I have anything else pending
17:35
<vagrantc>
alkisg: i am fairly confident it only works because the configuration is ignored
17:36
can you confirm that it actually reads the configuration file when done that way?
17:37
<alkisg>
I'll try tomorrow, I'm connected via VNC now and I don't think vbox will support running xorg as root, I'll need real hardware
17:37
<vagrantc>
i suppose i need to get some hardware with dual video outputs
17:38
i guess in theory most laptops these days should work... ?
17:38
<alkisg>
Yup. Also vbox supports multiple screens, maybe kvm does too...
17:39
vagrantc: I can try with a relative xorg when running as root, will that help?
17:39
(i.e. inside vbox...)
17:41
<vagrantc>
alkisg: i'll see if i can reproduce it... it's been long on my todo list, LTSP just keeps getting back-burnered
17:41
alkisg: i guess you could grep the Xorg.log file for which config file it used (or refused to use)
17:42
<alkisg>
I think I tested it before writing it to the bug report
17:42
It's been a long time though so I forgot what test I made
17:42
I'll test once more... :)
17:42
<vagrantc>
the problem is running as a user, as kiosk mode runs as the user
17:44
<alkisg>
I can't run xorg as user currently, vbox doesn't provide a kvm module
17:44
*kms
17:44
<vagrantc>
ah
17:45
<alkisg>
That's the part that I was saying that I can't test (again) until tomorrow
17:45* vagrantc nods
17:45
<vagrantc>
i'd like to test it myself, see what i can manage
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18:10
<alkisg>
vagrantc: oh well. Trying locally in a 16.04 system without ltsp. xorg -config /absolute/path works without complains :)
18:11
They must have realized it's a lame check...!
18:11
xorg 1.17.3
18:11
<vagrantc>
hope so, always thought it was silly.
18:12* vagrantc will give it a whirl today
18:24
<vagrantc>
well, without any patches, i can get kiosk to fail to bring up X ... not sure if it's using a config file or not
18:25* vagrantc tries with something that will force the xorg.conf creation
18:30
<vagrantc>
well, i can't get kiosk mode to work with or without an xorg.conf in debian stretch/testing
18:30
with either the cirrus or qxl drivers
18:33
<alkisg>
xorg in stretch runs as the user when available, right?
18:34
I don't remember when cirrus kms support was/is to be released...
18:34
<vagrantc>
and much to my surprise, gnome3 works, but gnome-classic doesn't ... still!
18:34
works fine with LDM
18:34
FWIW
18:35* vagrantc will check with XRANDR_DISABLE=true X_MODE_0=640x480
18:35
<vagrantc>
that forces a configuration file to be used
18:36
yup, that works too
18:37
alkisg: my analysis is that the original bug is gone, but kiosk mode is completely broken now.
18:38
will see if i can reproduce with jessie/stable
18:38
<alkisg>
vagrantc: are you using ldm/ltsp from trunk? or some older versions?
18:39
<vagrantc>
not from trunk, wanted to reproduce with older versions first
18:39
whatever the last tagged version uploaded to debian
18:40
ldm 2.2.17-1 and ltsp 5.5.5-1
18:40
<alkisg>
I wonder if -trunk solves the gnome classic issues
18:40
<vagrantc>
that would be nice.
18:41
<alkisg>
I do think it's lame that `startx` doesn't work anymore, and people need to set XDG_CURRENT_DESKTOP and a lot of other variables before launching a session...
18:41
<vagrantc>
what is the update-kernels code in init-ltsp.d about?
18:41
<alkisg>
which revision?
18:41
<vagrantc>
i'm diffing 5.5.5 to trunk
18:42
oh, was that your raspberry pi hacks to update the kernel image at boot?
18:42
<alkisg>
Yup
18:42
Of course it's handy for other cases too
18:42
E.g. UEFI
18:43
Or NICs that ipxe doesn't support
18:43
<vagrantc>
sure
18:44
ok, i guess i'll just build -trunk packages and see if everything's still broken :)
18:44
i guess i could also check jessie+backports ...
18:45
<alkisg>
Will the new ltsp release be backported to jessie?
18:52
<vagrantc>
alkisg: in general, i always intend to keep jessie-backports up to date ... though i apparently went an entire release cycle without doing so :)
18:53
i don't think i did any wheezy-backports ...
18:53
that was more due to lack of motivation than lack of intent
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19:18
<alkisg>
I like the idea of backports, it'd be very nice if backported ltsp versions were available in the ubuntuxxx-backports repository...
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19:22
<donjon>
vagrant: usb drives work in ubuntu when non-privileged users are enabled in fuse.conf (even though the users aren't in the fuse group)
19:24
<vagrantc>
fuse group is, as far as i know, irrelevent in modern installations
19:25
alkisg: how do backports work in ubuntu?
19:28
<donjon>
what do you mean?
19:31
<alkisg>
vagrantc: there's the SRU process for backporting bug fixes, and there's the ubuntuversion-backports repository for whole packages, but while it's enabled by default, one has to explicitly request a package to be installed from it
19:32
<vagrantc>
alkisg: well, with the patch suggested in https://bugs.launchpad.net/ltsp/+bug/816139 i see no change in behavior
19:32
<alkisg>
Unfortunately there's too much bureaucracy and I haven't seen many backported applications
19:32
<vagrantc>
alkisg: but i don't think the problem it allegedly solved actually exists anymore.
19:33
<alkisg>
vagrantc: then let's ignore it and spend time in more productive bugs :)
19:33
<vagrantc>
KISOK is broken in all cases now
19:33
er, KIOSK
19:35
<alkisg>
Meh, it was broken from 2008 to 2013 too, so no big deal :P
19:37
<vagrantc>
it worked in some cases
19:49
alkisg: so, testing ltsp-trunk... no obvious problems so far ... what should i expect to be fixed?
20:16
<alkisg>
vagrantc: gnome classic login?
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20:16
<vagrantc>
alkisg: i'll build LDM now and test that
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20:25
<alkisg>
gnome-keyring won't be generating thousand of temp files
20:27
memtest86 should work
20:28
HOSTS_MY_OTHER_SERVER=xx and other lts.conf variables should allow text instead of just _01
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22:29
<vagrantc>
alkisg_away: well, looks like the login field is wider... that's the first thing i notice
22:31
and gnome-classic works again
22:35
and gnome3 works too
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