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Re: ath5k phy0: noise floor calibration timeout

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2008/4/18, Dan Williams <dcbw@xxxxxxxxxx>:
> 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
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>

It seems that sometimes noise floor calibration takes longer than
usual. I'll check it out and come up with a patch asap ;-)

-- 
GPG ID: 0xD21DB2DB
As you read this post global entropy rises. Have Fun ;-)
Nick
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