[Bug 341952] Re: ath5k locks up system in jaunty - "ath5k phy0: noise floor calibration timeout"

[gene]

Long time no see!
I think ath5k froze once again. I have been  with the latest kernel 2.6.31-17 for quite some time. I know that ath5k was known  not like my wireless device for  some time. Recently, I thought it changed... Well I did not have obvious problems/hangs using the wireless interface. A problem occurred when the ethernet was used. 
What I had was a machine hang happened according to the kernlog around 3am, when I was asleep. Here is what I subsequently found in the log:
Jan 12 03:54:51 jenshen kernel: [218922.914225] wlan0: Creating new IBSS network, BSSID 02:0c:7e:7c:79:7a
Jan 12 03:54:53 jenshen kernel: [218925.000046] wlan0: Trigger new scan to find an IBSS to join
Jan 12 03:54:56 jenshen kernel: [218927.988070] wlan0: Trigger new scan to find an IBSS to join
Jan 12 03:54:59 jenshen kernel: [218930.989267] wlan0: Trigger new scan to find an IBSS to join
Jan 12 03:55:00 jenshen kernel: [218931.914443] wlan0: Creating new IBSS network, BSSID c2:df:cf:48:12:52
Jan 12 03:55:02 jenshen kernel: [218934.002002] wlan0: Trigger new scan to find an IBSS to join
Jan 12 03:55:05 jenshen kernel: [218936.988074] wlan0: Trigger new scan to find an IBSS to join
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
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^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
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^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jan 12 07:15:23 jenshen kernel: imklog 4.2.0, log source = /var/run/rsyslog/kmsg started.

The last message appears to be very popular in that log (about 66% of it
consists of this line!)

wc -l /var/log/kern.log 
15632 /var/log/kern.log
grep 'wlan0: Trigger new scan to find an IBSS to join' /var/log/kern.log | wc -l
10870

-- 
ath5k locks up system  in jaunty - "ath5k phy0: noise floor calibration timeout"  
https://bugs.launchpad.net/bugs/341952
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