Re: Wireless requires roaming to be turned off and back on before connecting

[Dan Williams <dcbw redhat com>]

On Sun, 2008-07-27 at 13:20 +1000, Paul Burne wrote:
> I am fairly new to linux (couple of weeks) and am trying to make the
> transition from Windows. I have a problem with my wireless connection
> and am trying to work out what the cause is.
> 
> When I first boot up, I have no connectivity. At this stage network
> manager has wireless set to roaming. The settings for my network are set
> in nm-editor (i.e. right clicking the nm-applet icon and selecting 'Edit
> Wireless Networks').
> 
> I am using Ubuntu Hardy with ndiswrapper.

Yeah, you're kind of out of luck with an InProComm card.  I did reply to
the bug report, I suspect driver problems at this time due to the lack
of scan results.

Dan

> If I open terminal and type 'iwlist wlan0 scan', I get, 'wlan0 No scan
> results'.
> 
> However, if I open network admin (i.e. left click the nm-applet icon and
> select 'Manual configuration') and setup my network manually, it still
> will not connect.
> 
> But now when I type 'iwlist wlan0 scan', it now see's my wireless
> network.
> 
> I then change back to roaming which now connects automatically using the
> settings in nm-editor.
> 
> Why do I have to disable then re-enable roaming every time before I get
> connectivity, and why will it not connect in manual mode?
> 
> I have tried with and without an ndiswrapper entry in /etc/modules.
> 
> I have checked to make sure there is an ndiswrapper alias
> in /etc/modprobe.d
> 
> I have removed and reinstalled network-manager and nm-applet
> 
> I tried to do a debug by typing 'sudo /etc/init.d/network-manager stop'
> but this file does not exist (possible problem here?)
> 
> I have been reading through the howto's and wiki's but am not sure what
> I should be looking for.
> 
> I did a check to see if the ndiswapper module was loaded at startup
> using
> 
> 
> lsmod
> 
> ndiswrapper appears in the list, so I moved the alias
> file /etc/modprobe.d/ndiswapper to the /etc/modprobe.d/arch folder to
> make sure that the ndiswrapper module was being loaded by nm-applet
> using /etc/modules file.
> 
> After a reboot 
> 
> lsmod
> 
> This listed ndiswapper as being loaded.
> 
> I went through the process of disabling and re-enabling roaming to get
> the network up and running and then checking output of 
> 
> 
> tail /var/log/messages
> 
> and got the following (I added notes after each process)
> 
> Jul 27 00:18:45 paul-laptop kernel: [ 47.550561] [drm] Initialized
> radeon 1.28.0 20060524 on minor 0
> Jul 27 00:18:46 paul-laptop kernel: [ 48.261188] agpgart: Found an AGP
> 2.0 compliant device at 0000:00:00.0.
> Jul 27 00:18:46 paul-laptop kernel: [ 48.261217] agpgart: Putting AGP V2
> device at 0000:00:00.0 into 4x mode
> Jul 27 00:18:46 paul-laptop kernel: [ 48.261257] agpgart: Putting AGP V2
> device at 0000:01:05.0 into 4x mode
> Jul 27 00:18:47 paul-laptop kernel: [ 181.723641] [drm] Setting GART
> location based on new memory map
> Jul 27 00:18:47 paul-laptop kernel: [ 181.723720] [drm] writeback test
> succeeded in 1 usecs
> Jul 27 00:19:09 paul-laptop kernel: [ 212.374552] NET: Registered
> protocol family 10
> Jul 27 00:19:09 paul-laptop kernel: [ 212.376055] lo: Disabled Privacy
> Extensions
> Jul 27 00:19:09 paul-laptop kernel: [ 212.378740] ADDRCONF(NETDEV_UP):
> eth0: link is not ready
> Jul 27 00:19:09 paul-laptop kernel: [ 212.381322] ADDRCONF(NETDEV_UP):
> wlan0: link is not ready 
> -------- After boot (Link LED only is flashing)----------------
> 
> Jul 27 00:22:26 paul-laptop kernel: [ 133.105759] ADDRCONF(NETDEV_UP):
> eth0: link is not ready
> Jul 27 00:22:26 paul-laptop kernel: [ 133.125585] ADDRCONF(NETDEV_UP):
> wlan0: link is not ready
> Jul 27 00:22:26 paul-laptop kernel: [ 133.193865] ADDRCONF(NETDEV_UP):
> eth0: link is not ready
> Jul 27 00:22:27 paul-laptop kernel: [ 134.106516] NET: Registered
> protocol family 17 
> ----- After disabling roaming using Network Admin (Both Link and Act
> LEDs Flashing) but still no connection ---------
> 
> Jul 27 00:23:50 paul-laptop kernel: [ 165.157143] ADDRCONF(NETDEV_UP):
> eth0: link is not ready
> Jul 27 00:23:50 paul-laptop kernel: [ 165.189797] ADDRCONF(NETDEV_UP):
> wlan0: link is not ready
> Jul 27 00:24:01 paul-laptop dhcdbd: message_handler: message handler not
> found under /com/redhat/dhcp/wlan0 for sub-path wlan0.dbus.get.reason
> Jul 27 00:24:14 paul-laptop kernel: [ 648.264938] ndiswrapper
> (iw_set_freq:334): setting configuration failed (C0010015)
> Jul 27 00:24:14 paul-laptop kernel: [ 648.354222]
> ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> Jul 27 00:24:18 paul-laptop dhcdbd: message_handler: message handler not
> found under /com/redhat/dhcp/wlan0 for sub-path
> wlan0.dbus.get.domain_name
> Jul 27 00:24:18 paul-laptop dhcdbd: message_handler: message handler not
> found under /com/redhat/dhcp/wlan0 for sub-path
> wlan0.dbus.get.nis_domain
> Jul 27 00:24:18 paul-laptop dhcdbd: message_handler: message handler not
> found under /com/redhat/dhcp/wlan0 for sub-path
> wlan0.dbus.get.nis_servers
> Jul 27 00:24:18 paul-laptop dhcdbd: message_handler: message handler not
> found under /com/redhat/dhcp/wlan0 for sub-path
> wlan0.dbus.get.interface_mtu
> ----After re-enabling roaming and falling back to Network manager (Link
> LED goes solid, Act LED flashes) connection established---------
> 
> For something that is supposed to "Just work" it is frustrating me to no
> end.
> 
> I am at a loss as to what is going on. It is probably something simple
> as a result of the newbie factor.
> 
> Could somebody please help me with this problem?
> 
> Thanks in advance.
> 
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