Public bug reported:
Binary package hint: network-manager
After upgrade to Ubuntu 9.10, the wireless network often doesn't work
after the computer is started, restarted, or waken up from standby. The
worst thing is that the wireless router/ADSL modem is affected, so that
a wire-connected desktop, using Windows on the same router looses
internet access too. When a hardware WLAN switch button is pressed on my
laptop, so that WLAN is turned off, the other computer regains internet
access after a little while.
The failure occurs in 25 to 75 % of start attempts (my guess). If the
network connection is successful, it will remain so, until the computer
is restarted or set in standby for a while.
When the failure occurs, a click is heard from the ADSL box; probably a
relay. I haven't found anything in the log of the ADSL box that looks
suspicious.
When the failure occurs, there is rotating symbol in the notification
area, declaring attempts to reconnect. The SSID of the Wlan AP is
mentioned. I suppose this is from network-manager-applet.
I don't know which log files in the computer to look for strange things.
ADSL WLAN modem/router: Thomson SpeedTouch 780.
Computer: HP Compaq nx7000, using intel ipw2100 for WLAN. CPU: Centrino.
OS: Ubuntu 9.10
network-manager: 0.8~a~git.20091013t193206.679d548-0ubuntu1
I have mostly used Gnome, but have seen the same problem in KDE, I think.
The bug could be in some other package, of course, but network-manager
is my best guess.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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Network manager takes down wireless router at startup
https://bugs.launchpad.net/bugs/508180
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