linux-kernel - Re: b43: BCM 4331: MacBook 8,1: No connection after suspend

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Message-ID: <20111118192217.GA2663@tuxdriver.com>
Date:	Fri, 18 Nov 2011 14:22:18 -0500
From:	"John W. Linville" <linville@...driver.com>
To:	Nico -telmich- Schottelius <nico-linux-20111118@...ottelius.org>,
	LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
	Arend van Spriel <arend@...adcom.com>
Cc:	b43-dev@...ts.infradead.org, linux-wireless@...r.kernel.org,
	Rafał Miłecki <zajec5@...il.com>,
	Larry Finger <Larry.Finger@...inger.net>,
	Michael Buesch <m@...s.ch>
Subject: Re: b43: BCM 4331: MacBook 8,1: No connection after suspend

Arend has nothing to do with b43, and b43 has it's own
mailing list, b43-dev@...ts.infradead.org.  Even if it didn't,
linux-wireless@...r.kernel.org would be a more appropriate list than
this one.

John

On Fri, Nov 18, 2011 at 06:32:42PM +0100, Nico -telmich- Schottelius wrote:
> Hello,
> 
> new notebook, new problems (*):
> 
> Running 3.2.0-rc1 on the MacBook Pro 8,1 with the BCM4331
> (14e4:4331) the WLAN indeed works:
> 
> [   86.231702] b43-phy0: Broadcom 4331 WLAN found (core revision 29)
> [   86.269190] ieee80211 phy0: Selected rate control algorithm
> 'minstrel_ht'
> [   86.270486] Broadcom 43xx driver loaded [ Features: PMNLS ]
> [   87.677265] b43-phy0: Loading firmware version 666.2 (2011-02-23
> 01:15:07)
> 
> But: After a suspend it seems not to receive any packets anymore:
> 
> [ 2334.494845] wlan0: authenticate with 64:87:d7:37:89:89 (try 1)
> [ 2334.694035] wlan0: authenticate with 64:87:d7:37:89:89 (try 2)
> [ 2334.893909] wlan0: authenticate with 64:87:d7:37:89:89 (try 3)
> [ 2335.093824] wlan0: authentication with 64:87:d7:37:89:89 timed out
> 
> wpa_supplicant thus retries to connect to the network again and again
> without success.
> 
> This is reproducable on the MBP 8,1 and is *NOT* fixed if I unload
> b43 and modprobe it again. It is also "not fixed" when doing
> multiple suspends/resumes.
> 
> Any pointers to this?
> 
> Cheers,
> 
> Nico
> 
> 
> (*) feels like in good old times...
> 
> -- 
> PGP key: 7ED9 F7D3 6B10 81D7 0EC5  5C09 D7DC C8E4 3187 7DF0
> --
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-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.
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