| 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 | 18:32 |
| 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 ... | 18:33 |
| 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 ... | 18:34 |
| 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 .. | 18:35 |
| 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. | 18:37 |
| 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 .. | 18:38 |
| nubae | mss, what does the dhcp log say? | 19:35 |
| nubae | in /var/log/messages I believe | 19:35 |
| mss_ | nubae: I pated the dhcp logs at http://pastebot.ltsp.org/477 | 19:41 |
| nubae | what options are u passing in pxe.0.cfg/default? | 19:43 |
| mss_ | standard dnsmasq config according to /usr/share/doc/ltsp-server/examples/dhcpd-dnsmasq | 19:44 |
| mss_ | I have not set any other special options... | 19:45 |
| nubae | just that dhcp is complaining about some option | 19:46 |
| 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 | ? | 19:47 |
| mss_ | how would I do that ? | 19:48 |
| nubae | u'd set it in /etc/syslog.conf | 19:49 |
| mss_ | I did not change anything from standard edubuntu install ... should it be turned off ? | 19:52 |
| nubae | by default yes | 19:53 |
| nubae | u'd really notice dhcp slowing down to almost a halt | 19:53 |
| 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 | 20:20 |
| mss_ | anyway ... will try it and see how it goes .. | 20:21 |
| mss_ | thanks | 20:21 |
| mosy | test | 21:29 |
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