Wireless network problem after upgrade to 8.04
Brendan Strunk
bwstrunk at hotmail.com
Thu Jun 5 23:30:31 UTC 2008
I tried to get my wireless network to work, but it didn't you should just go with a Local Area Connection
> Date: Thu, 5 Jun 2008 15:31:51 -0500
> From: pauljohn32 at gmail.com
> To: ubuntu-users at lists.ubuntu.com
> Subject: Re: Wireless network problem after upgrade to 8.04
>
> This is leading back to some basic questions about Upstart and service
> management. See below.
>
> On Thu, Jun 5, 2008 at 12:31 PM, Derek Broughton <news at pointerstop.ca> wrote:
> > Paul Johnson wrote:
> >
> >> On Thu, Jun 5, 2008 at 8:08 AM, Derek Broughton <news at pointerstop.ca>
> >> wrote:
> >>> Ken McLennan wrote:
> >>>
> >>>> G'day there Paul,
> >>> ...
> >>>>> So in the terminal again, make sure the network-manager is running
> >>>>>
> >>>>> # /etc/init.d/network-manager restart
> >>>>>
> >>>> I don't have a 'network-manager' there, only a 'networking' entry.
> >>>> Is that the same?
> >>>
> >>> Ahem. Paul, network-manager doesn't start out of init.d, it starts from
> >>> dbus: "sudo /etc/dbus-1/event.d/25NetworkManager restart"
> >>>
> >>
> >> Au contraire, mon brother! :)
> >>
> >> At least for me, there is there is a script in /etc/init.d
> >
> > OK, then, "the network-manager package no longer installs anything
> > in /etc/init.d". :-) If you have "dlocate" installed, it would be
> > informative to run "dlocate /etc/init.d/network-manager" to see just where
> > yours came from. Anyway, Ken probably doesn't have it, as it moved into
> > dbus a release or two back.
>
> Well, recall I'm upstream from you with the NetworkManager 0.7svn (
> http://ubuntuforums.org/showthread.php?t=797059 ) , and that's where
> it comes from. Look at the last page worth of output from dpkg -L
> network-manager:
>
> /etc
> /etc/NetworkManager
> /etc/NetworkManager/system-connections
> /etc/NetworkManager/dispatcher.d
> /etc/NetworkManager/dispatcher.d/01ifupdown
> /etc/init.d
> /etc/init.d/network-manager
> /etc/nm-system-settings.conf
> /etc/dbus-1
> /etc/dbus-1/system.d
> /etc/dbus-1/system.d/NetworkManager.conf
> /etc/dbus-1/system.d/nm-dhcp-client.conf
> /etc/dbus-1/system.d/nm-dispatcher.conf
> /etc/dbus-1/system.d/nm-system-settings.conf
> /usr/share/doc/network-manager/TODO
> /usr/share/doc/network-manager/AUTHORS
> /usr/share/doc/network-manager/README
> /usr/share/doc/network-manager/changelog.Debian.gz
> /etc/dbus-1/event.d/26NetworkManagerDispatcher
> /etc/dbus-1/event.d/25NetworkManager
>
>
> The two daemon files, /etc/init.d/network-manager and
> /etc/dbus-1/even.d/25NetworkManager are almost identical, except for
> top matter. So I think it is just a packaging difference / mistake.
> Here's a puzzler, though. /etc/sbus-1/event.d/25NetowrkManager has
> this comment at the top:
>
>
> NetworkManager NetworkManager daemon
> # Daemon for automatically switching network
> # connections to the best available connection.
> # This file should be placed in /etc/init.d.
>
> Why put that precious thing under /etc/dbus-1/events.d, not
> /etc/init.d ? Upstart magic?
>
> >
> >>>> If it's any use, this is the result of stopping & starting the
> >>>> init.d/networking command:
> >>> ...
> >>>> wmaster0: unknown hardware address type 801
> >>>> wmaster0: unknown hardware address type 801
> >>>> Listening on LPF/wlan0/00:19:d2:75:cf:ff
> >>>> Sending on LPF/wlan0/00:19:d2:75:cf:ff
> >>>> Sending on Socket/fallback
> >>>> Error for wireless request "Set Mode" (8B06) :
> >>>> SET failed on device wlan0 ; Invalid argument.
> >>>
> >>> That looks rather serious.
>
> Well, I definitely see the SET failed on device wlan0 message. I've
> seen that for months.
>
> I don't see the wmaster0 errors now, however.
>
> But, the "networking" daemon probably has nothing to do with wireless
> control. At least on Fedora, one wanted the generic old network
> daemon turned off where possible to stop the interference it causes
> with NetworkManager. The problem was that the upgrade from F7 to F8
> did not turn off network service before turning on NetworkManager. In
> reading Ubuntu /etc/init.d/networking, it appears to me that this
> service should not be activated at start time, because it will
> frustrate NetworkManager. But I'm still new here :<
>
> I've been doing a little reading and I see that Ubuntu created
> "Upstart" as a replacement for sysvinit. Fedora's going that way, so
> it must be good... My Ubuntu system starts in runlevel 2, and the
> start scripts are in in /etc/rc2.d, a list of symbolic links.
> Observe:
>
> .$ ls -la /etc/rc2.d/ | grep net
> lrwxrwxrwx 1 root root 25 2008-05-27 14:52 S26network-manager ->
> ../init.d/network-manager
>
> Note, there is no link to "networking". Of course, my NetworkManager
> package is different from yours.
>
> The only runlevel that does seem to activate networking is the sudo runlevel:
>
> /etc/rcS.d/S40networking
>
> Maybe it gets called implicitly by some other service, I don't know.
>
>
> Anyway, lets suppose we install the kernel module backports and the
> connection still fails. Lets try to find out why.
>
> In the forum thread on how to run NetworkManager 0.7, there's a
> comment about bug shooting. Apparently, you can run NetworkManager
> and see its errors like so:
>
> $ sudo NetworkManager --no-daemon
>
> Even without updating NetworkManger, I'd try this. I'd install the
> kernel module backports. (I'm sure that is needed to get connections
> with some routers). Then restart, then try to see if the card is
> working at all with
>
> $ /sbin/iwlist scan
>
> Then I'd try to manually turn off networking and NetworkManager, then
> I'd do the manual restart
>
> $ sudo NetworkManager --no-daemon
>
> and
>
> $ nm-applet
>
> and in another terminal I'd be running
>
> $ dmesg
>
> over and over and maybe in another I'd run
>
> $ tail -f /var/log/messages
>
> because sometimes the 2 sets of messages diverge.
>
> Oh, well.
>
> I'm looking really hard for information on Ubuntu and Upstart, in particular
>
> "how do I know which services are currently running?"
> "where do you keep a list of all available services?"
> "why don't all available services show up under the menu System/Admin/services"
> "is it true that service 'networking' should not be running if we are
> counting on NetworkManager?"
> "Why did Hardy Herron put the NetworkManager script in
> /etc/dbus-1/event.d, rather than /etc/init.d?"
> pj
>
> --
> Paul E. Johnson
> Professor, Political Science
> 1541 Lilac Lane, Room 504
> University of Kansas
>
> --
> ubuntu-users mailing list
> ubuntu-users at lists.ubuntu.com
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