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Bug#673511: brcmsmacs: mode IBSS not implemented for Broadcom Wirless LAN controllers



On Sat, May 19, 2012 at 10:26:37AM +0200, Paul Menzel wrote:
> Package: linux-2.6
> Version: 3.2.17-1
> Severity: normal
> Tags: upstream
> 
> Dear Debian folks,
> 
> 
> the `brcmsmac` [1] module does not support IBSS [2] needed to create
> ad-hoc networks [3][4][5].
> 
> This prevents for example using shared WLAN connections from smart
> phones. `/var/log/syslog` contains the following messages.
> 
>     ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: false (implement)
>     ieee80211 phy0: brcmsmac: brcms_ops_bss_info_changed: disassociated
>     ieee80211 phy0: brcms_ops_bss_info_changed: arp filtering: enabled false, count 1
>     wpa_supplicant[2209]: nl80211: Failed to set interface into IBSS mode
>     wpa_supplicant[2209]: Association request to the driver failed
> 
>      1. Would it be better to use the module `b43` by default which is
>         supposed to support all modes [3]?
>      2. If support for IBSS in `brcmsmac` is implemented, could that be
>         backported to Linux 3.2?

What is exact model of your adapter (lspci -nn)?
I have adapter 14e4:4727 model in my laptop, that is only supported by brcmsmac.



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