Return-path: Received: from mx1.redhat.com ([66.187.233.31]:53292 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750714AbYDRPCy (ORCPT ); Fri, 18 Apr 2008 11:02:54 -0400 Subject: Re: ath5k phy0: noise floor calibration timeout From: Dan Williams To: Nick Kossifidis Cc: Pierre Frenkiel , linux-wireless@vger.kernel.org In-Reply-To: <40f31dec0804180751y3c4e0a9bj509324ae712081f3@mail.gmail.com> References: <1208526988.9388.12.camel@localhost.localdomain> <40f31dec0804180751y3c4e0a9bj509324ae712081f3@mail.gmail.com> Content-Type: text/plain Date: Fri, 18 Apr 2008 10:59:34 -0400 Message-Id: <1208530774.10072.2.camel@localhost.localdomain> (sfid-20080418_160305_032589_CD94D8C7) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, 2008-04-18 at 17:51 +0300, Nick Kossifidis wrote: > 2008/4/18, Dan Williams : > > On Fri, 2008-04-18 at 14:51 +0200, Pierre Frenkiel wrote: > > > hi, > > > I have a 3-com PCCARD, with the AR5413 chipset > > > I installed 2 days ago compat-wireless-2.6.tar.bz2, on Ubuntu Gutsy, > > > and everything seemed to work. > > > I just had in the log 2 or 3 messages: > > > > > > ath5k phy0: noise floor calibration timeout > > > > > > but yesterday, when rebooting, I got a huge number of such messages(more > > > than 100 in the log file), with also > > > > > > ath5k phy0: ath5k_chan_set: unable to reset channel > > > ath0: failed to set freq to 2422 MHz for scan > > > ath0: failed to restore operational channel after scan > > > > > > I also get this all the time with a 5006E, and ath5k takes quite a lot > > (30%) of CPU most of the time. Haven't tried to track it down yet. > > Anyone have ideas about the root cause of the problem? > > > > > > Dan > > > > > and the boot froze. I then removed my PCCARD, > > > and after poweroff/poweron, I could boot normally. > > > > > > It seems to be fixed now, as I have no more this problem after > > > re-inserting the card. > > > But as I did nothing, I would like to know what might happen: > > > If this happened once, there is no reason why this would not happen an > > > other time. > > > > > > Pierre > > > -- > > > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > > > the body of a message to majordomo@vger.kernel.org > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > It seems that sometimes noise floor calibration takes longer than > usual. I'll check it out and come up with a patch asap ;-) Happy to test patches. AR5413 802.11agb NIC (rev 01). 168c:001b, subsys 10cf:1329. Dan