I have had the same problem on my PackardBell dot a netbook. Unloading acer_wmi also solves the problem. I also tried to load acer_wmi wireless=1 but it fails with "unknown parameter" ??????
laptop:~$ sudo modprobe -v acer_wmi wireless=1 insmod /lib/modules/3.0.0-12-generic/kernel/drivers/platform/x86/acer-wmi.ko wireless=1 FATAL: Error inserting acer_wmi (/lib/modules/3.0.0-12-generic/kernel/drivers/platform/x86/acer-wmi.ko): Unknown symbol in module, or unknown parameter (see dmesg) laptop:~$ dmesg . . [ 1887.539570] wmi: Mapper loaded [ 1887.544982] acer_wmi: Unknown parameter `wireless' laptop:~$ uname -a Linux laptop 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 i686 i686 i386 GNU/Linux laptop:~$ modinfo acer_wmi filename: /lib/modules/3.0.0-12-generic/kernel/drivers/platform/x86/acer-wmi.ko alias: wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026 alias: wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3 alias: wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB license: GPL description: Acer Laptop WMI Extras Driver author: Carlos Corbacho srcversion: B4800EB97ECD63B5D20E3D5 depends: sparse-keymap,wmi vermagic: 3.0.0-12-generic SMP mod_unload modversions 686 parm: mailled:Set initial state of Mail LED (int) parm: brightness:Set initial LCD backlight brightness (int) parm: threeg:Set initial state of 3G hardware (int) parm: force_series:Force a different laptop series (int) parm: ec_raw_mode:Enable EC raw mode (bool) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/846719 Title: Conflict between acer-wmi and brcmsmac kernel modules To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/846719/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs