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