linux-kernel - Re: brcsmac kernel panic

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Message-ID: <520A3AC1.2030709@monom.org>
Date:	Tue, 13 Aug 2013 15:55:13 +0200
From:	Daniel Wagner <wagi@...om.org>
To:	Arend van Spriel <arend@...adcom.com>
CC:	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: brcsmac kernel panic

On 08/13/2013 03:41 PM, Arend van Spriel wrote:
> On 08/12/2013 10:11 PM, Daniel Wagner wrote:
>> On 08/12/2013 12:38 PM, Arend van Spriel wrote:
>>> On 08/11/2013 06:21 PM, Daniel Wagner wrote:
>>>> I just updated my laptop (MacBook Air 2012) from 3.11-rc3+ to 3.11-rc4+
>>>> and since then brcsmac crashes short after enabling it.
>>>> Unfortunately, I
>>>> did also change some config flags in the area of cpufreq (enabling
>>>> p-state driver) so the configuration is not exactly the same. Before I
>>>> try to figure out what I have changed, I am posting the picture of the
>>>> crash. Maybe it is something obvious.
>>>>
>>>> v3.11-rc4-197-gd92581f
>>>> http://www.monom.org/misc/brcmsmac/v3.11-rc4.config
>>>> http://www.monom.org/misc/brcmsmac/IMAG0064.jpg
>>>
>>> Thanks, Daniel
>>>
>>> I was looking at this issue two weeks ago and just got back from my
>>> vacation. Can you apply the patch and send me a kernel log?
>>
>> Sure, the patch does the trick, the panic is gone.
>
> Unfortunately, it results in a lot of error print and phy tx errors that
> has been reported by others. I think the two are related, but I have not
> root caused it yet. Your laptop may be usable now, but wireless
> performance is probably bad.
>
> Too bad I can not reproduce the issue over here. Are you willing to test
> some patches when I got a better grasp on the issue?

Sure, let there be patches. :)

cheers,
daniel

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