From: Dan Williams <dcbw@redhat.com>
To: Nick Kossifidis <mickflemm@gmail.com>
Cc: Pierre Frenkiel <pierre.frenkiel@apc.univ-paris7.fr>,
linux-wireless@vger.kernel.org
Subject: Re: ath5k phy0: noise floor calibration timeout
Date: Fri, 18 Apr 2008 10:59:34 -0400 [thread overview]
Message-ID: <1208530774.10072.2.camel@localhost.localdomain> (raw)
In-Reply-To: <40f31dec0804180751y3c4e0a9bj509324ae712081f3@mail.gmail.com>
On Fri, 2008-04-18 at 17:51 +0300, Nick Kossifidis wrote:
> 2008/4/18, Dan Williams <dcbw@redhat.com>:
> > 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
prev parent reply other threads:[~2008-04-18 15:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-18 12:51 ath5k phy0: noise floor calibration timeout Pierre Frenkiel
2008-04-18 13:56 ` Dan Williams
2008-04-18 14:51 ` Nick Kossifidis
2008-04-18 14:59 ` Dan Williams [this message]
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