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Re: brcm80211: the system freezes if booted with laptop wifi switch to OFF

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On Mon, Mar 7, 2011 at 7:25 PM, Arend van Spriel <arend@xxxxxxxxxxxx> wrote:
> On Mon, 07 Mar 2011 18:29:47 +0100, Francis Moreau <francis.moro@xxxxxxxxx>
> wrote:
>
>> On Mon, Mar 7, 2011 at 2:54 PM, Arend van Spriel <arend@xxxxxxxxxxxx>
>> wrote:
>>>
>>> I don't know what the origin is of your kernel so please provide some
>>> details on that.
>>
>> What kind of information do you need ?
>>
>> As you probably noticed the kernel I'm running is 2.6.38-rc6.
>>
>
> Yup. However, that is not unique by itself. Did you get it from a git
> repository like linux-next maintained by Stephen Rothwell or linux-2.6
> maintained by Linus Torvalds, or did you download a kernel snapshot from
> ftp.kernel.org.


2.6.38-rc6 is a tag, so it uniquely identify the kernel release
whatever the tree you're using. But yes I'm using mainline tree.

>
>>
>> Revelant part of lscpi:
>>
>> 12:00.0 Network controller: Broadcom Corporation Device 4727 (rev 01)
>>        Subsystem: Dell Device 0010
>>        Flags: bus master, fast devsel, latency 0, IRQ 17
>>        Memory at fbb00000 (64-bit, non-prefetchable) [size=16K]
>>        Capabilities: <access denied>
>>        Kernel driver in use: brcm80211
>>        Kernel modules: brcm80211
>>
>
> Always useful to know what hardware you are using. Thanks.
>
>>
>>> The patch itself can be found in the linuxdriver email
>>> archive:
>>>
>>>
>>> http://driverdev.linuxdriverproject.org/pipermail/devel/2011-January/011381.html
>>>
>>
>> Do you want me to give it a try ?
>>
>
> I don't think it will apply cleanly, but sure go ahead.
>
>>
>>> Not sure whether it applies to whatever you have. I just tried your
>>> scenario
>>> with my driver and hardware and no freezes during boot.
>>
>> My scenario is:
>>
>>   - set the switch to OFF
>>   - insmod the module
>>   - bring up/configure the interface
>
> That's a bit different, but could you elaborate on the last step. Are you
> using iw, wpa_supplicant, etc. or relying on NetworkManager.

last step is (for example):

   iw dev wlan0 scan

Thanks
-- 
Francis
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