Red Hat Bugzilla – Bug 334711
wireless connection not resumed
Last modified: 2009-01-08 23:57:28 EST
when i resume after suspend NetworkManager doesn't appear to even attempt to
re-connect the last wireless connection.
this is NetworkManager 0.7.0-0.3.svn2970.fc8
looks like this has been fixed now:
possibly it was fixed by...
* Wed Oct 24 2007 Dan Williams <email@example.com> - 1:0.7.0-0.3.svn3016
- Fix getting current access point
or possibly it was fixed by me looking at a different system. current status
iwl3945 on Lenovo Z61m is working well (occasional bursts of odd messages in the
system log but they don't seem to affect things)
ipw2200 on Dell Latitude D610 doesn't reconnect when i resume from suspend.
also gets messages like:
Nov 12 14:34:00 portal98 kernel: ipw2200: Failed to send SYSTEM_CONFIG: Already
sending a command.
but i don't know if that's got anything to do with anything.
the iwl3945 system gets a message:
NetworkManager: <info> SWITCH: no current connection, found better connection....
and automatically connects.
the ipw2200 system doesn't log any SWITCH messages. the 'better connection' is
available in the drop-down menu from the NetworkManager notification icon and
selecting it again manually works fine.
yeah, NetworkManager is behaving quite oddly. For example, I use my laptop at
home with a wireless connection, and I connect it to a wired network at work.
When I get home, it just can't connect to the wireless network straight away,
keeps asking the network key, and eventually, after three-four attempts it
connects, but it's quite annoying. Once it's been able to connect, there is no
problem after a suspend/resume cycle. Weird, anyway.
more oddness today. we now have a new kernel 22.214.171.124-49.fc8 but i'm not sure
that's making a difference.
however, i'm finding that on my D610 it usually works (network resumes when the
system resumes) instantly when i'm logged in on a nice new clean desktop. using
my normal desktop it fails every time.
meanwhile, the Z61m failed once today but otherwise has been fine.
the Z61m always takes around 30s to 1m to reconnect. the D610 reconnect
immediately when it works at all.
so, possibly this could be a system load issue? the Z61m is dual core.
if i can find the time i'll try adding things to a clean desktop until it starts
failing again on the D610. :-)
Albert, that sounds like a different problem - should probably be raised as a
well, I suspect that there is no relation between the connection to the wired
network and the failure to connect to the wireless later, because I didn't go to
work today but the problem still stands.
The failure happens after resuming from suspend, and only a complete reboot can
mend it. However, I don't think it's a NetworkManager problem, since I tried to
connect using the 'ifup' script, and it's returned the error message 'No link
It seems that I managed to find a workaround to my problem (whatever it is). If
I remove the ipw2200 module before suspending, and add again after resuming,
everything works perfectly well. So my problem is not a NetworkManager issue at all.
on f9, if i suspend the notebook and move to another location, networkmanager does not show the new different wireless networks available (wich may be another bug, the one that albert pointed to in comment #6). a reboot fixes things.
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