From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from bu3sch.de ([62.75.166.246]:46839 "EHLO vs166246.vserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755122AbZDEJbs (ORCPT ); Sun, 5 Apr 2009 05:31:48 -0400 From: Michael Buesch To: Jaswinder Singh Rajput Subject: Re: ath9k becon loss messages Date: Sun, 5 Apr 2009 11:29:38 +0200 Cc: Sujith , wireless , David Miller , LKML References: <1238923439.4120.9.camel@localhost.localdomain> In-Reply-To: <1238923439.4120.9.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Message-Id: <200904051129.38904.mb@bu3sch.de> (sfid-20090405_113158_987381_7200A27A) Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sunday 05 April 2009 11:23:59 Jaswinder Singh Rajput wrote: > With latest linus tree I am getting, .config file attached: > > [ 22.895051] r8169: eth0: link down > [ 22.897564] ADDRCONF(NETDEV_UP): eth0: link is not ready > [ 22.928047] ADDRCONF(NETDEV_UP): wlan0: link is not ready > [ 22.982292] libvirtd used greatest stack depth: 4200 bytes left > [ 63.709879] wlan0: authenticate with AP 00:11:95:9e:df:f6 > [ 63.712096] wlan0: authenticated > [ 63.712127] wlan0: associate with AP 00:11:95:9e:df:f6 > [ 63.726831] wlan0: RX AssocResp from 00:11:95:9e:df:f6 (capab=0x471 status=0 aid=1) > [ 63.726855] wlan0: associated > [ 63.730093] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > [ 74.296087] wlan0: no IPv6 routers present > [ 79.349044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 119.358200] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 179.354292] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 259.366044] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 359.348292] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 361.953459] packagekitd used greatest stack depth: 4160 bytes left > [ 478.824258] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 598.813343] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 718.817292] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 838.824567] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 958.815402] wlan0: beacon loss from AP 00:11:95:9e:df:f6 - sending probe request > [ 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 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. -- Greetings, Michael.