linux-kernel - Re: Some issues/regression when upgrading to 3.1-rc5

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Date:	Wed, 7 Sep 2011 07:58:41 -0400
From:	Parag Warudkar <parag.lkml@...il.com>
To:	Francis Moreau <francis.moro@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Some issues/regression when upgrading to 3.1-rc5

Hi

On Wed, Sep 7, 2011 at 2:51 AM, Francis Moreau <francis.moro@...il.com> wrote:
> Hello,
>
> On Wed, Sep 7, 2011 at 12:24 AM, Parag Warudkar <parag.lkml@...il.com> wrote:
>> On Tue, Sep 6, 2011 at 5:15 PM, Francis Moreau <francis.moro@...il.com> wrote:
>>>
>>> [   13.335961] cfg80211: Calling CRDA to update world regulatory domain
>>> [   13.386127] b43-phy0: Broadcom 4313 WLAN found (core revision 24)
>>> [   13.510112] bcma: PLL enable timeout
>>> [   13.510125] b43-phy0 ERROR: FOUND UNSUPPORTED PHY (Analog 10, Type
>>> 8, Revision 1)
>>> [   13.510148] b43: probe of bcma0:0 failed with error -95
>>> [   13.510194] Broadcom 43xx driver loaded [ Features: PMNLS,
>>> Firmware-ID: FW13 ]

>
> unloading b43/bcma and loading brcmsmac doesn't help. Looks like the
> latter doesn't support my card anymore.
>
> From dmesg:
>
> [ 3828.183927] brcmsmac: module is from the staging directory, the
> quality is unknown, you have been warned.
>
> and that's it.

4313 is supported in brcmsmac - are you sure the firmware is at the
right place and getting loaded?
I recall for example having to deal with firmware in kernel specific
directory - /lib/`uname -r`/firmware for example which means you will
need to copy the firmware to new kernel specific directory.

Secondly try to make sure b43/bcma are blacklisted and never loaded at all.

Can't think of any other reason why it would suddenly stop working.

Hope this helps,

Parag
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