IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 9 January 2011 (all times are UTC)
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| 01:39 | <no_mind> I am running ubuntu lucid as ltsp server. How do I install local apps ?
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| 02:05 | <muppis> no_mind, you need install them to chroot and them define in lts.conf. Take a closer at here https://help.ubuntu.com/community/UbuntuLTSPKarmicLocalAppsFirefox
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| 02:07 | Applies almost all other apps also, as I've heard Google Chrome needs more adjustement than just installing.
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| 07:25 | <muppis> How hard is get ldm work as locally installed? I'm still looking optimal solution to this oldie. Wiring is possible, but need to get some cable. For eth->wlan I got equipments, but booting is slow as he.. So if I could install that chroot locally and use wlan directly from client.
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| 10:54 | <alkisg> muppis: To speed up boot you can re-enable compression on the nbd image, it will help a lot.
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| 10:54 | It's also possible to put the whole image locally (I've even seen some ltsp .iso's in some university), but it requires some tweaking.
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| 13:25 | <muppis> alkisg, I'm almost ready to do that tweaking Tried Xubuntu today on that machine and X just hangs. System itself responds, I can login tty1 and restart X.
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| 13:30 | Could that be so easy as just transfer chroot to loacl HDD, install kernel, fix booting and set variables needed by ltsp scripts?
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| 14:12 | <alkisg> muppis: yes, if you tweak the initramfs AND initscripts wherever nbd is mentioned, you should be able to boot locally
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| 14:12 | <alkisg> Xubuntu hanged? Which graphics card? lspci -nn -k | grep -A 2 VGA
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| 15:31 | <xavier_brochard> hello, I have a problem with thincans clients unable to boot
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| 15:32 | they just download the nbi.img file and then nothing happened
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| 15:32 | other clients (old pc) works fine
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| 15:36 | <alkisg> xavier_brochard: did you see my reply on the ML?
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| 15:37 | https://bugs.launchpad.net/ubuntu/+source/mknbi/+bug/487826
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| 15:39 | <xavier_brochard> alkisg: your reply is not yet available for me. I've already read this bug report but I don't think it apply
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| 15:39 | <alkisg> Why not? It states that nbi images don't work with recent ubuntu versions...
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| 15:42 | <xavier_brochard> alkis: I'm not sure, this bug concerns etherboot
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| 15:42 | but the Artec's thincans use coreboot
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| 15:43 | <alkisg> Do they work with pxelinux.0? Did you try to force-send it to them?
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| 15:43 | <xavier_brochard> and they are working with elf based image on another install (Lenny)
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| 15:43 | <alkisg> Hmmm ok, I don't know enough about the subject to be helpful
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| 15:44 | <xavier_brochard> what do you mean by force-send?
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| 15:44 | <alkisg> I've only used .nbi images years ago, before switching to gpxe/pxe
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| 15:44 | In dhcpd.conf there's an 'if' that decides to send either pxelinux.0 or nbi.img to the clients
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| 15:45 | I don't know if coreboot clients are able to boot with pxelinux.0, but you could easily try to remove that if
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| 15:45 | <xavier_brochard> ok, totally forgot that, I try
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| 15:50 | alkisg: it works! many thanks - though I don't understand why it works on Lenny and not on UbuntuLucid
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| 15:51 | <alkisg> xavier_brochard: please comment on that bug report, if coreboot products don't work with nbi images there's no reason to not put mknbi back
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| 15:51 | So that etherboot clients also work
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| 15:51 | * alkisg uses neither etherboot or coreboot so can't help with that bug report | |
| 15:52 | <xavier_brochard> alkis: I wonder if the problem could be the size of the nbi.img?
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| 15:52 | I will try with a recent debian to compare
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| 15:52 | a,d then I will comment the bug report
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| 15:55 | well I've just goes out to see my thincans... it boot but it stay with the ubuntu progress bar, more debug to do!
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| 15:56 | <alkisg> xavier_brochard: remove "quiet splash" from /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default to see any error messages
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| 16:22 | <xavier_brochard> alkisg: the current boot problem is with nbd ; it only affect the thincans
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| 16:23 | <alkisg> xavier_brochard: so why your coreboot client didn't work?
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| 16:25 | <xavier_brochard> The boot process start but stop on an nbd error which the various PC doesn't have.
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| 16:25 | looks like a Geode problem (Thincans use Geode)
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| 16:26 | <alkisg> Ah, I read your message in the mailing and understood differently ("The Thincan clients download the nbi.img and then nothing happened.")
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| 16:26 | If it's an nbd problem, it can probably be worked around. What's the error message?
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| 16:29 | <xavier_brochard> I've just solve the nbd error by disabling LDM_DIRECTX
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| 16:29 | * vagrantc can't fathom that working | |
| 16:30 | <xavier_brochard> alkisg: but I can't login (I've setup a shell)
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| 16:30 | <alkisg> You mean SCREEN_02=shell? Or in ldm?
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| 16:31 | For ldm, try ltsp-update-sshkeys && ltsp-update-image
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| 16:31 | <xavier_brochard> SCREEN yes
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| 16:31 | <alkisg> For SCREEN, you should already have a root shell, with no login prompt
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| 16:32 | I agree with vagrantc though, that LDM_DIRECTX shouldn't have anything to do with nbd errors
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| 16:32 | You might be experiencing random nbd errors, and it just happened to work this time
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| 16:33 | <xavier_brochard> no, I only have tty=/dev/tty2 I can type anything, nothing happened (on the pc it is correct)
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| 16:33 | I didn't understood vagrant expression at first
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| 16:34 | I tried to removing LDM_DIRECTX because after a while, the screen changed with ssh errors
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| 16:36 | <alkisg> What ethernet card do those clients have?
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| 16:36 | It sounds to me like you're having general networking problems, maybe because of the driver or some other component
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| 16:36 | That would explain the "random" errors you're seeing
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| 16:38 | <xavier_brochard> Mmm. On the other ie, all my thincans here have problems bootng on Ubuntu, while working lke a charm on the old Lenny server
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| 16:38 | The card is a VIA VT6122 Gigabit
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| 16:39 | (card on the thincan)
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| 16:41 | I have a prompt now. But above there is a few "snd-malloc: invalid device type 0"
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| 16:43 | <alkisg> Can you modify the kernel parameters for those clients? Or they're hardcoded inside nbi.img?
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| 16:45 | <vagrantc> try squeeze? :)
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| 16:45 | <xavier_brochard> vagrantc: squeeze freeze on my new server :-( (I prefer Debian)
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| 16:46 | * alkisg was suspecting nbd-proxy, but yup, squeeze wouldn't have that problem at all :D | |
| 16:46 | <xavier_brochard> alkisg: yes I can pass ernel params with pxelinux.cfg
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| 16:47 | <alkisg> xavier_brochard: er... I'm confused, are you using nbi or pxelinux?
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| 16:48 | When those clients boot, do they say "downloading nbi.img" or "downloading pxelinux.0"?
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| 16:48 | <xavier_brochard> nbi doesn't work, I've forced pxelinux
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| 16:49 | <vagrantc> xavier_brochard: hrm. you reported bugs?
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| 16:50 | <alkisg> xavier_brochard: OK. So far I've seen such "random errors" in 2 cases, when there's a problem with the network driver or when there's a problem with nbd-proxy, you might want to temporarily disable the latter to see if it fixes your problems: https://bugs.launchpad.net/ltsp/+bug/589034
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| 16:51 | <xavier_brochard> vagrantc: not yet. I'm investigating around the raid driver (dell perc)
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| 16:53 | <vagrantc> xavier_brochard: it crashes? or is just missing the driver? a lot of things have moved into non-free firmware packages
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| 16:57 | <xavier_brochard> it crash but install works fine, so it can be solved.
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| 16:58 | I've installed ubuntu temporarily. I will change to sqeeze later.
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| 16:58 | alkisg: thanks for the url, I will try
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| 17:08 | <xavier_brochard> alkisg: it works sometimes. It's allways stopped or very slow after running the init-bottom script
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| 17:27 | <xavier_brochard> for the record: alkis solved my problem, the new ltsp_nbd version works well
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