IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 28 March 2010 (all times are UTC)
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| 14:21 | <jimcooncat> has anyone used x2go? What do you think about it?
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| 17:14 | <windmill> Hello, My client computers don't seems to want to boot passes the initial ubuntu logo. I think my ltsp-build-client hasn't worked properly.... I don't seem to have an lts.conf should I?
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| 17:15 | my dnsmasq.conf seems to point to a file called lts.conf but this doesn't exist
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| 17:16 | Debian version: 5.0 (lenny), Installer build: 20090123lenny6
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| 17:23 | <windmill> anyone around?
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| 17:23 | I get some warnings when running ltsp-build-client
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| 17:34 | <moldy> windmill: paste your config files
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| 17:34 | <windmill> moldy, which config files?
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| 17:35 | <moldy> windmill: all relevant ones
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| 17:35 | windmill: at least your dhcp config
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| 17:35 | <windmill> I'm using dnsmasq
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| 17:35 | <moldy> windmill: also, do you get any error messages? do the systems just hang?
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| 17:35 | <windmill> on my router
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| 17:35 | <moldy> windmill: then paste dnsmasq.conf
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| 17:36 | <windmill> I don't get any errors on the client they just stop at the ubuntu logo
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| 17:36 | <moldy> so, paste your configs
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| 17:36 | server-side log files are also interesting
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| 17:37 | your dnsmasq.conf should not point to lts.conf, as far as i know
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| 17:37 | so i guess you misconfigured something
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| 17:38 | <windmill> oh
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| 17:39 | I'm running dnsmasq on my router and pointing to my server
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| 17:39 | <moldy> you said that already
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| 17:39 | as i said before, we need your exact configuration to help
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| 17:40 | nopaste the dnsmasq.conf file, make a screenshot, whatever
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| 17:40 | <windmill> ok, I'm just trying to get it, not as easy coz it's on my router
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| 17:42 | ok, http://paste.ubuntu.com/404715/
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| 17:44 | any clues?
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| 17:46 | <moldy> what kind are your clients?
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| 17:46 | do they use pxe, or etherboot, or that ltsp stuff?
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| 17:46 | <windmill> just laptops
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| 17:46 | pxe
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| 17:46 | they boot ok
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| 17:46 | load a kernel
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| 17:47 | then stop
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| 17:47 | <moldy> i'd check the server-side logfiles, then the client kernel configuration
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| 17:47 | maybe you're missing a driver or something
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| 17:47 | do the clients reply to ping after they hang?
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| 17:48 | <windmill> good question
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| 17:48 | <moldy> if they do, install ssh in the client chroot and try to login to a client with ssh
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| 17:48 | you want to get at some kind of debug output from the client (e.g. dmesg)
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| 17:51 | <windmill> right
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| 17:52 | I'm gunna run the ltsp-build-client again last time I got a warning that said debconf: (Failed to open fd 3: Bad file descriptor at (eval 22) line 3)
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| 17:53 | this time I'll redirect output to a file so I can paste the warnings
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| 17:53 | then I'll try what you suggest
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| 17:54 | I have a feeling that it stops just after the kernel loads
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| 17:54 | <moldy> did you mount proc?
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| 17:55 | <windmill> moldy, should there be an lts.conf file in the i386 directory
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| 17:55 | ?
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| 17:55 | <moldy> ltsp-build-client itself throws that error?
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| 17:55 | lts.conf is for customization, it is optional
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| 17:55 | <windmill> moldy, yes but it ends but saying it was sucessful
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| 17:56 | <moldy> that doesn't mean much
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| 17:56 | it would be interesting what exactly causes the debconf error
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| 17:56 | <windmill> the error goes something like
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| 17:56 | debconf: unable to initialize frontend: Passthrough
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| 17:56 | debconf: (Failed to open fd 3: Bad file descriptor at (eval 22) line 3)
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| 17:56 | debconf: falling back to frontend: Noninteractive
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| 17:56 | <moldy> but i would put my priority on getting at debug output from a "running" client
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| 17:56 | windmill: ok, that sounds normal
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| 17:57 | i wouldn't waste time on ltsp-build-client at the moment. see if you can get ssh working.
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| 17:57 | <windmill> well, I can do much till ltsp-build-client finishes again
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| 17:58 | <moldy> you can abort it :)
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| 17:58 | <windmill> but I wouldn't have a proper set up? no?
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| 17:58 | what do you call it
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| 17:58 | the client os bit
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| 17:58 | <moldy> on my system, aborting it is fine
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| 17:58 | it works in a temporary directory, iirc
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| 17:59 | the clients boot the image anyway
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| 17:59 | <windmill> I'll see if I can boot the client now
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| 18:01 | ok same thing, it stops at the ubuntu logo
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| 18:01 | <moldy> not surprising
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| 19:19 | <windmill> moldy, It's not responding to pings
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| 19:39 | right, I've no clue what to try next
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| 19:44 | the client gets it's address from the router, finds the tftp server, downloads the kernel. then the ubuntu logo pops up and every thing stops
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| 19:44 | <moldy> windmill: anything in the server log files?
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| 19:44 | windmill: i suspect that you are missing a driver or something. it would be worthwhile to test if other client hardware boots
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| 19:44 | <windmill> where are the logs?
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| 19:45 | <moldy> windmill: on ubuntu, in /var/log/*
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| 19:45 | usually, /var/log/syslog, /var/log/messages, possibly a few others
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| 19:45 | if possible, i would test "known working" hardware
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| 19:46 | <windmill> don't have anything working
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| 19:46 | <moldy> well, do you have anything other than what is _not_ working?
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| 19:46 | by other i mean other mainboards, mainly
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| 19:47 | <windmill> well I'm testing with two working laptop which can both pxe boot
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| 19:47 | I'm having a look in the logs now
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| 19:47 | <moldy> pxe is not the problem here, i think
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| 19:48 | i suspect that the hardware just doesn't work well with your client kernel (broken bios or something)
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| 19:48 | but it's hard to tell without further information
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| 19:48 | activate the grub menu on the client system and boot it without the bootsplash
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| 19:48 | so you see what is going on
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| 19:49 | <windmill> oh I've found something
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| 19:49 | Mar 29 01:42:19 MPC avahi-daemon[575]: Invalid query packet.
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| 19:49 | Mar 29 01:42:59 MPC avahi-daemon[575]: last message repeated 2 times
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| 19:49 | Mar 29 01:42:59 MPC in.tftpd[32548]: tftp: client does not accept options
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| 19:49 | <jammcq> that's harmless
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| 19:50 | the 'client does not accept options' message
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| 19:50 | <windmill> oh
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| 19:50 | <moldy> windmill: look for nbd errors
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| 19:52 | <windmill> can't find any nbd errors
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| 19:53 | How do I disable the splash screen?
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| 19:54 | <moldy> i don't know. but i know it's possible. google.
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| 19:56 | <windmill> ok, I hit escape at the right moment
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| 19:56 | I get
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| 19:56 | No interface found! Aborting...
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| 19:57 | ipconfig : eth0: SIOCGIFINDEX: No such device
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| 19:57 | ipconfig: no devices to configure
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| 19:58 | <moldy> looks like you might have a problem with your network card drivers
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| 19:59 | <windmill> oh
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| 19:59 | <moldy> find out which nic model your clients have and how to get it running on linux
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| 19:59 | <windmill> lemme just try the other laptop
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| 20:01 | ok this one is different
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| 20:01 | it get's an address
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| 20:02 | then,
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| 20:03 | Error: failed to connect to NBD server
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| 20:04 | ok I don't really understand where NBD comes in
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| 20:06 | <vagrantc> NBD is how you get a root filesystem over the network, at least on ubuntu
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| 20:07 | <windmill> so not nfs then?
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| 20:07 | <vagrantc> ubunutu defaults to NBD
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| 20:07 | debian still uses NFS by default
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| 20:08 | <windmill> ahh
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| 20:09 | so what do I need to set up for NBD?
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| 20:10 | <vagrantc> grep nbdrootd /etc/inetd.conf
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| 20:20 | <windmill> vagrantc, I've found it
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| 20:21 | 2000 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/i386.img
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| 20:21 | seems right
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| 20:22 | <vagrantc> windmill: dpkg -l openbsd-inetd
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| 20:23 | <windmill> ok what am I looking at?
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| 20:24 | is that not just showing me that inetd is installed
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| 20:24 | ?
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| 20:24 | <vagrantc> is it installed?
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| 20:24 | <windmill> it's listed
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| 20:24 | <vagrantc> dpkg -l '*inetd*' | egrep ^ii
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| 20:24 | which inetd is installed?
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| 20:25 | <windmill> ii openbsd-inetd 0.20080125-2ubuntu1
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| 20:25 | <vagrantc> is it running?
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| 20:25 | pgrep -l -f inetd
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| 20:26 | <windmill> 1068 /usr/sbin/inetd
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| 20:26 | <vagrantc> sounds promising...
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| 20:26 | <windmill> so why can't the client see it?
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| 20:27 | <vagrantc> is the LTSP server also the DHCP server?
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| 20:27 | <windmill> no
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| 20:27 | <vagrantc> might be tring to connect to your DHCP server, then
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| 20:28 | <windmill> the router is the dhcp server
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| 20:28 | ok
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| 20:28 | what is telling it where the nbd server is?
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| 20:28 | <vagrantc> it should be using the next-server argument passed via DHCP
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| 20:29 | forget what it's called in dnsmasq
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