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

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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.


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.

Gr. AvS
--
"The most merciful thing in the world, I think, is the inability of the human
mind to correlate all its contents." - "The Call of Cthulhu"

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