Hi, I started anaconda with log=debug to see if I get more information: The dns server option is really trapped but still the same message complaining it can't look up hostname. 09:40:13 DEBUG : DHCPv4 eth0 - option routers default gateway 0: 192.168.84.254 09:40:13 DEBUG : DHCPv4 eth0 - option domain-name-servers: 09:40:13 DEBUG : DHCPv4 eth0 - domain-name-server 0: 10.146.0.11 09:40:13 DEBUG : DHCPv4 eth0 - domain-name-server 1: 10.146.36.11 09:40:13 DEBUG : DHCPv4 eth0 - option host-name: testVM 09:40:13 DEBUG : nic_addr_send: add IFA_ADDRESS: 3 192.168.84.250/24 09:40:13 DEBUG : nic_addr_send: add IFA_LOCAL: 3 192.168.84.250 09:40:13 DEBUG : nic_addr_send: add address: 3 broadcast: 192.168.84.255 09:40:13 ERROR : no DNS servers, can't look up hostname Any hint or idea ? Thanks 2010/8/12 brem belguebli <brem.belguebli@xxxxxxxxx>: > Hi, > > I'm systematically hiting the message "no DNS servers, can't look up > hostname" while trying to build a hostname based ks file VM install. > > The PXE server used is a Rhel 5.4 X86_64, the DHCP service is offered > by dnsmasq. > The client is a VM expected to be installed with RHEL 5.4. > > When logging dsmasq, I can see that the dns server option (6) is sent > to the client as well as the hostname option (12). > > Below the dnsmasq log on the server > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: DHCP packet: transaction-id > is 1664975136 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: Available DHCP range: > 192.168.84.250 -- 192.168.84.251 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: Vendor class: anaconda > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: DHCPREQUEST(br0) > 192.168.84.250 54:52:00:22:92:83 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: DHCPACK(br0) 192.168.84.250 > 54:52:00:22:92:83 testVM > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: requested options: 1:netmask, > 28:broadcast, 3:router, 15:domain-name, > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: requested options: > 6:dns-server, 12:hostname, 33:static-route > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: next server: 192.168.84.254 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: bootfile name: pxelinux.0 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: tags: known > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 1 option: > 53:message-type 05 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: > 54:server-identifier c0:a8:54:fe > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: > 51:lease-time 00:00:1c:20 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: 58:T1 > 00:00:0e:10 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: 59:T2 > 00:00:18:9c > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: > 1:netmask ff:ff:ff:00 > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: > 28:broadcast c0:a8:54:ff > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 4 option: > 3:router c0:a8:54:fe > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 6 option: > 12:hostname 74:65:73:74:56:4d > Aug 12 13:24:16 cmxi1152 dnsmasq[11759]: sent size: 8 option: > 6:dns-server 0a:92:00:0b:0a:92:24:0b > > On client side (console ALT-F3 log) > 11:24:15 INFO : getting kickstart file > 11:24:15 INFO : sending dhcp request through device eth0 > 11:24:15 INFO : requesting dhcp timeout 45 > 11:24:15 INFO : Listening on LPF/eth0/54:52:00:22:93:83 > 11:24:15 INFO : Sending on LPF/eth0/54:52:00:22:93:83 > 11:24:15 INFO : Sending on Socket/fallback > 11:24:15 INFO : DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5 > 11:24:15 INFO : DHCPOFFER from 192.168.84.254 > 11:24:15 INFO : DHCPREQUEST on eth0 to 255.255.255.255 port 67 > 11:24:15 INFO : DHCPACK from 192.168.84.254 > 11:24:15 INFO : bound to 192.168.84.250 -- renewal in 3052 seconds. > 11:24:15 INFO : DHCPv4 eth0 - obtained lease 192.168.84.250 > 11:24:15 INFO : DHCPv4 eth0 - option subnet-mask: 255.255.255.0 > 11:24:15 INFO : DHCPv4 eth0 - option subnet-mask - prefix_len: 24 > broadcast: 192.168.84.254 > 11:24:15 INFO : DHCPv4 eth0 - option routers: > 11:24:15 ERROR : no DNS servers, can't look up hostname > > Thanks > > Brem > _______________________________________________ Anaconda-devel-list mailing list Anaconda-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/anaconda-devel-list
