Public bug reported:
After upgrading from 9.04 to the 9.10 development branch on an iBook G4
today, disabling the wireless from NetworkManager causes an Oops. X and
other apps are still somewhat responsive, but remote ssh sessions and
local terminal sessions completely freezes.
The same (I assume) issue can be triggered by executing:
iwconfig wlan0 txpower off
This results in the attached Oops printout and a frozen system.
System information:
da...@ibook:~$ lsb_release -rd
Description: Ubuntu karmic (development branch)
Release: 9.10
da...@ibook:~$ uname -a
Linux ibook 2.6.31-10-powerpc #31-Ubuntu Thu Sep 10 18:40:14 UTC 2009 ppc
GNU/Linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Kernel 2.6.31-10-powerpc - Oops with b43 after txpower off
https://bugs.launchpad.net/bugs/427687
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