IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 24 July 2010 (all times are UTC)
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| 04:34 | <sdistefano> hi all ; I'm having a problem getting hardware acceleration to work on a thin client with Intel GMA3150
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| 04:34 | I only needed for Google earth. I tried running it locally, but same problem
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| 04:34 | any idea on how to debug this? I don't even know how to see what driver the TC is using
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| 04:53 | <alkisg1> !localxterm
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| 04:53 | <ltspbot`> alkisg1: "localxterm" :: while sitting on a thin client, open a gnome terminal. In that, run: ltsp-localapps xterm. An xterm will open. That xterm runs locally, so any commands you enter there are executed directly on the client.
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| 04:54 | <alkisg1> sdistefano: ^^ run lspci -k on that
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| 04:54 | alkisg1 is now known as alkisg | |
| 05:05 | <sdistefano> alkisg It's using apggart-intel
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| 05:05 | which seems correct
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| 05:05 | but when I open google earth it opens in software emulation mode
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| 05:06 | <alkisg> sdistefano: I've never had a thin client capable of runnning 3d apps over the network (I think some other people did have such clients), but it should have no problem running it as a localapp.
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| 05:08 | To verify, try installing mesa-utils on the chroot, update your image (if running ubuntu), and run glxgears as a localapp
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| 05:08 | <sdistefano> alkisg and how do I check which module the X server is using?
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| 05:09 | <alkisg> Xorg messages go In /var/log/Xorg.0.log - again from the localxterm
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| 05:11 | <sdistefano> alkisg: it looks like it's loading vmware
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| 05:11 | which would be the dissplay driver for the server
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| 05:12 | <alkisg> If you run "cat /etc/ltsp_chroot" from the localxterm, is that file there?
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| 05:13 | <sdistefano> alkisg: by localxterm you mean on the client?
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| 05:13 | <alkisg> See above what ltspbot said
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| 05:18 | <sdistefano> oh
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| 05:18 | alkisg: it says LTSP_CHROOT=/opt/ltsp/i386
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| 05:19 | <alkisg> sdistefano: ok, so, were you looking at the correct Xorg.0.log? (i.e. on the localxterm?)
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| 05:20 | <sdistefano> oh ho
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| 05:20 | ok
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| 05:20 | it's loading intel driver
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| 05:20 | and glxgears works quite well there
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| 05:20 | I don't know why google earth doesn't
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| 05:20 | can I apt-get from that shell?
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| 05:21 | <alkisg> No, ram won't suffice
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| 05:21 | You'd need to install it in the chroot, as a localapp
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| 05:21 | Which distro/version is that?
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| 05:21 | <sdistefano> ubuntu
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| 05:22 | <alkisg> version?
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| 05:22 | <sdistefano> lucid
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| 05:22 | <alkisg> See there: http://help.ubuntu.com/community/UbuntuLTSPKarmicLocalAppsFirefox
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| 05:22 | You need to do something like that, but with google earth instead of firefox
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| 05:29 | <sdistefano> alkisg: it crashes
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| 05:29 | any more ideas?
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| 05:29 | <alkisg> sdistefano: you already installed, ran ltsp-update-image, and rebooted the client?!!!
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| 05:29 | Or did you miss some step?
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| 05:31 | <sdistefano> alkisg: I already did all that
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| 05:31 | <alkisg> OK, so what message do you see if you run it from a localxterm?
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| 05:31 | <sdistefano> there's a stacktrace from glibc
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| 05:32 | first in googelearth--bin
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| 05:32 | then libQtGui.so.4
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| 05:32 | then libgoogleearth_lib.so
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| 05:32 | finally libc.so.6
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| 05:33 | <alkisg> !pastebot
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| 05:33 | <ltspbot`> alkisg: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 05:33 | <alkisg> Please paste the message there...
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| 05:34 | (if you run googleearth 2>~/somefile, you can then get it from the session, as sshfs is used)
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| 05:34 | (or just use copy/paste :))
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| 05:36 | <sdistefano> http://ltsp.pastebin.com/n22bjGTT
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| 05:38 | alkisg: http://ltsp.pastebin.com/n22bjGTT
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| 05:38 | <alkisg> Nah, I don't see anything useful there. Googleearth is working fine for me for my fat clients, so it's doable, but I don't know what problem you have.
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| 05:40 | <sdistefano> alkisg: does it run fast enough there?
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| 05:42 | <alkisg> Fat clients run exactly the same as if an OS was installed locally
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| 05:42 | <sdistefano> but they're still diskless, right?
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| 05:42 | <alkisg> So yeah, for recent clients it runs very fast
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| 05:42 | Yes
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| 05:43 | <sdistefano> mm maybe I can try that setup
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| 05:43 | how I doing it?
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| 05:43 | <alkisg> What are your client specs? RAM/CPU?
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| 05:43 | <sdistefano> Intel Atom MB 1.6 Ghz
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| 05:44 | 1GB of RAM
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| 05:44 | <alkisg> https://help.ubuntu.com/community/UbuntuLTSP/FatClients
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| 05:45 | I'm also using NFS instead of the default sshfs, for speed + compatibility reasons. It's insecure compared to sshfs, but I don't care.
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| 05:45 | <sdistefano> I see
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| 05:46 | it would be nice though for me to run eg. Firefox on the server
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| 05:46 | I would've expected LOCAL_APPS to be able to generate some sort of hybrid solution
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| 05:46 | should I conclude this is not possibel?
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| 05:47 | <alkisg> Sure, that's what localapps are for
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| 05:47 | (though I wonder why would you run firefox + flash on the server with such good clients)
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| 05:47 | <sdistefano> I see
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| 05:47 | last question
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| 05:49 | how do I start the tc chroot from scratch>?
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| 05:50 | <alkisg> sudo mv /opt/ltsp /opt/ltsp-previous-chroot
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| 05:50 | sudo ltsp-build-client
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| 05:50 | <muppis> I run FF+Flash on Celeron 800 (yes, P3 Cu -generation) with 256 MB RAM.
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| 05:51 | <sdistefano> alkisg: OK thank you very much
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| 05:51 | I think I understand a lot better now
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| 05:51 | <alkisg> np
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| 08:12 | * vagrantc notices freerdp and wonders if it might be less annoying than rdesktop | |
| 08:13 | <vagrantc> apparently a more active fork of rdesktop
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| 08:13 | so it might disappear or thrive...
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| 08:19 | <vla99> anybody here?
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| 08:19 | <vagrantc> !question
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| 08:19 | <ltspbot`> vagrantc: "question" :: if you have a question about ltsp, please go ahead and ask it, and people will respond if they can. please also mention the linux distro and release you're using. :)
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| 08:20 | <vla99> ok, i am using gentoo x86, kernel 2.6.34 and have some problems with read-only root fs
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| 08:22 | thinclient shows: "remounting root fs read/write", Skipping /etc/mtab initialization (ro root?), you must be root to do this, skip missing mtab
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| 08:26 | <vla99> i seems, that the gentoo initscript 'checkroot' remount root rw but bind wasnt executed before
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| 08:29 | * vagrantc wonders who's working on the gentoo port these days... | |
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