Subject: Re: wlan0 keeps deauthenticating DEAUTH_LEAVING about every minute
To: Dennis New <dennisn@dennisn.mooo.com>,
        linux-wireless@vger.kernel.org
References: <20170324213237.6f122a9173fa464a5d936f9d@dennisn.mooo.com>
 <77d7e7a0-b529-ad29-9584-da51c68a5917@lwfinger.net>
 <20170326134324.046ad0d4cc3c7dd9da5c56b1@dennisn.mooo.com>
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
Message-ID: <98e61d2c-97af-0a67-a4bb-abac16765006@broadcom.com> (sfid-20170326_204802_812924_2A3C4ECF)
Date: Sun, 26 Mar 2017 20:47:41 +0200
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On 26-3-2017 19:43, Dennis New wrote:
> On Sun, 26 Mar 2017 11:00:12 -0500, Larry Finger wrote:
>> ...  provide information regarding what specific card you have. The
>> appropriate stanza from "lspci -nn" has that information.
>>
>> I do not normally run a b43 wireless NIC, but I did pull out an
>> ancient laptop that uses the PCMCIA version of a BCM4318 with PCI ID
>> of 14e4:4318. Running kernel 4.10.0, I do see periodic drops. My
>> period is 120 sec and the drop is a reason 7, not reason 3 as you
>> see. Another difference is that I see the drops with kernel 4.8.0 as
>> well. With the earlier kernel, the drop period is closer to 60 sec,
>> but it is not as regular.
> 
> Huh. I also have that BCM4318 card, but not PCMCIA.
> 
> 06:02.0 Network controller [0280]: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller [14e4:4318] (rev 02)
>         Subsystem: AMBIT Microsystem Corp. Aspire 3022WLMi, 5024WLMi, 5020 [1468:0311]
>         Flags: bus master, fast devsel, latency 64, IRQ 9
>         Memory at c0304000 (32-bit, non-prefetchable) [size=8K]
>         Kernel driver in use: b43-pci-bridge
> 
> These past few days I seem to have had some "success" by simply
> putting a 60 second sleep in my bootup scripts before bringing up
> my wlan0 interface. (Ie. I haven't been getting any deauths after
> doing this.)

Interesting. I assume you are using wpa_supplicant so can you make a
supplicant log of that with and without the 60 second sleep.

Regards,
Arend