From: Jaswinder Singh Rajput <jaswinder@kernel.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: Sujith <Sujith.Manoharan@atheros.com>,
wireless <linux-wireless@vger.kernel.org>,
David Miller <davem@davemloft.net>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: ath9k becon loss messages
Date: Sun, 05 Apr 2009 15:22:54 +0530 [thread overview]
Message-ID: <1238925174.4120.12.camel@localhost.localdomain> (raw)
In-Reply-To: <200904051129.38904.mb@bu3sch.de>
On Sun, 2009-04-05 at 11:29 +0200, Michael Buesch wrote:
> > [ 1678.823011] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1798.830589] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 1918.828044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2038.827224] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2116.517152] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2158.840243] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
> > [ 2278.827427] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
>
>
> I think this message should only show if CONFIG_MAC80211_VERBOSE_DEBUG is set.
> It's kind of expected that we lose a beacon once in a while, so we shouldn't print
> verbose messages to the kernel log (even if they are KERN_DEBUG).
>
> And besides that, I think one can easily remotely trigger this message and flood the logs.
> So it should probably _also_ be ratelimited.
>
normally it prints after 120 seconds:
[ 1078.848434] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1198.822913] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1318.824931] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1438.814157] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1558.827336] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1678.823011] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1798.830589] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 1918.828044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2038.827224] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2116.517152] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2158.840243] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2278.827427] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2398.827010] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2518.817295] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2638.821208] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2758.838757] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2878.825043] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 2998.828296] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3118.821456] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3238.813293] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3358.816763] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3478.820291] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3598.815145] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3718.814290] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3838.829043] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
[ 3958.817294] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request
--
JSR
next prev parent reply other threads:[~2009-04-05 9:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-05 9:23 ath9k becon loss messages Jaswinder Singh Rajput
2009-04-05 9:29 ` Michael Buesch
2009-04-05 9:36 ` Michael Buesch
2009-04-05 10:03 ` Kalle Valo
2009-04-05 11:00 ` Jaswinder Singh Rajput
2009-04-05 9:52 ` Jaswinder Singh Rajput [this message]
2009-04-05 10:13 ` Kalle Valo
2009-04-06 7:14 ` Helmut Schaa
2009-04-06 8:17 ` Kalle Valo
2009-04-06 8:56 ` Helmut Schaa
2009-04-06 9:04 ` Kalle Valo
2009-04-06 10:17 ` Michael Buesch
2009-04-06 10:23 ` Kalle Valo
2009-04-06 10:51 ` Helmut Schaa
2009-04-06 11:05 ` Kalle Valo
2009-04-06 15:18 ` Kalle Valo
2009-04-06 18:00 ` John W. Linville
2009-04-07 5:54 ` Kalle Valo
2009-04-07 13:53 ` John W. Linville
2009-04-07 15:19 ` Kalle Valo
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