Public bug reported:

When I connect to wireless lan with knetworkmanager then I get a working 
connection, but after a few seconds the connection will be disconnected.
Until the connection gets disconnected I have full network access (internal net 
and internet).

After the second try the connection works without any problems and does
not get disconnected.


Here the logs from /var/log/messages (first try):
Nov 25 19:02:55 linux-schleppi kernel: [  110.032000] ADDRCONF(NETDEV_CHANGE): 
eth1: link becomes ready
Nov 25 19:03:04 linux-schleppi dhcdbd: dhco_input_option: Value -1 cannot be 
converted to type L
Nov 25 19:03:04 linux-schleppi dhcdbd: dhco_parse_option_settings: bad option 
setting: new_dhcp_lease_time = -1
Nov 25 19:03:04 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.host_name
Nov 25 19:03:04 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.domain_name
Nov 25 19:03:04 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.nis_domain
Nov 25 19:03:04 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.nis_servers
Nov 25 19:03:30 linux-schleppi dhcdbd: dhco_input_option: Value -1 cannot be 
converted to type L
Nov 25 19:03:30 linux-schleppi dhcdbd: dhco_parse_option_settings: bad option 
setting: old_dhcp_lease_time = -1
-> after the last to messages the connection is no longer available and 
knetworkmanager shows that there is no connection established.


And here the logs for the second try:
Nov 25 19:08:32 linux-schleppi kernel: [  446.656000] ADDRCONF(NETDEV_UP): 
eth1: link is not ready
Nov 25 19:08:33 linux-schleppi kernel: [  447.896000] ADDRCONF(NETDEV_CHANGE): 
eth1: link becomes ready
Nov 25 19:08:37 linux-schleppi dhcdbd: dhco_input_option: Value -1 cannot be 
converted to type L
Nov 25 19:08:37 linux-schleppi dhcdbd: dhco_parse_option_settings: bad option 
setting: new_dhcp_lease_time = -1
Nov 25 19:08:37 linux-schleppi dhcdbd: dhco_input_option: Value -1 cannot be 
converted to type L
Nov 25 19:08:37 linux-schleppi dhcdbd: dhco_parse_option_settings: bad option 
setting: old_dhcp_lease_time = -1
Nov 25 19:08:37 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.host_name
Nov 25 19:08:37 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.domain_name
Nov 25 19:08:37 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.nis_domain
Nov 25 19:08:37 linux-schleppi dhcdbd: message_handler: message handler not 
found under /com/redhat/dhcp/eth1 for sub-path eth1.dbus.get.nis_servers

anybody has an idea how to fix or work-around this problem?

** Affects: dhcdbd (Ubuntu)
     Importance: Undecided
         Status: New

-- 
connection to wireless lan gets disconnected
https://bugs.launchpad.net/bugs/165043
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