[18:32] <mss_> hi
[18:32] <ace_suares1> goddauy!
[18:32] <mss_> I have been chasing down this problem :
[18:32] <mss_> https://lists.ubuntu.com/archives/edubuntu-users/2008-December/004911.html
[18:33] <mss_> hardy DHCP problem with  not more than 4-5 clinets booting up..
[18:33] <mss_> which I have seen in our lab ...
[18:33] <mss_> other folks have seen this problem too ...
[18:34] <mss_> alkisg here suggested a few days ago to replace cdhcp3 server with dnsmasq which I did ...
[18:34] <mss_> things are a bit better now ..though the problem still happens ...
[18:35] <mss_> I have managed to tack down exactly when the server stops /slows response to DHCP client requests ..
[18:35] <ace_suares1> sorry, can't help you on that one!
[18:35] <mss_> It happpens as sson as the first client reaches the login screen ..
[18:37] <mss_> and this starts in the kernel logs :
[18:37] <mss_> Aug 14 18:38:08 192.168.0.62 kernel: Inspecting /boot/System.map-2.6.24-19-generic
[18:37] <mss_> Aug 14 18:38:58 192.168.0.62 kernel: Loaded 27883 symbols from /boot/System.map-2.6.24-19-generic.
[18:37] <mss_> Aug 14 18:39:23 192.168.0.62 kernel: Symbols match kernel version 2.6.24.
[18:38] <mss_> Aug 14 18:39:48 192.168.0.209 kernel: Inspecting /boot/System.map-2.6.24-19-generic
[18:38] <mss_> Aug 14 18:40:13 192.168.0.62 kernel: Loaded 11587 symbols from 57 modules.
[18:38] <mss_> Aug 14 18:40:38 192.168.0.62 kernel: [    0.000000] Initializing cgroup subsys cpuset
[18:38] <mss_> Then DHCP gets hosed ...and the remaining clients do no boot any more ..
[19:35] <nubae> mss, what does the dhcp log say?
[19:35] <nubae> in /var/log/messages I believe
[19:41] <mss_> nubae: I pated the dhcp logs at http://pastebot.ltsp.org/477
[19:43] <nubae> what options are u passing in pxe.0.cfg/default?
[19:44] <mss_> standard dnsmasq config according to /usr/share/doc/ltsp-server/examples/dhcpd-dnsmasq
[19:45] <mss_> I have not set any other special options...
[19:46] <nubae> just that dhcp is complaining about some option
[19:47] <mss_> what is this stuff going on in the kernel logs for each client and why is it so slow  ?
[19:47] <nubae> anyway, #ltsp should be able to help u better
[19:47] <mss_> thanks
[19:47] <nubae> u dont have remote logging turned on by any chance
[19:47] <nubae> ?
[19:48] <mss_> how would I do that ?
[19:49] <nubae> u'd set it in /etc/syslog.conf
[19:52] <mss_> I did not change anything from standard edubuntu install ... should it be turned off ?
[19:53] <nubae> by default yes
[19:53] <nubae> u'd really notice dhcp slowing down to almost a halt
[20:20] <mss_> nubae: if remote logging is turned off will I have this problem :
[20:20] <mss_> V
[20:20] <mss_> http://www.ltsp.org/twiki/bin/view/Ltsp/TroubleShooting#syslogd_cannot_write_to_remote_f
[20:21] <mss_> anyway ... will try it and see how it goes ..
[20:21] <mss_> thanks
[21:29] <mosy> test