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

[Giovanni Bajo]

I noticed that, immediately after booting the computer, ath_pci
(madwifi) works correctly, but then it starts degrading in performance
(both latency and bandwidth) and in a few minutes it's back to a
horrible state like this:

--- 192.168.1.1 ping statistics ---
18 packets transmitted, 18 received, 0% packet loss, time 17026ms
rtt min/avg/max/mdev = 2.530/5.401/12.738/2.476 ms

(notice: this is the gateway and it's always been stable < 1ms in ubuntu
hardy usually). Speed tests go from an optimum 6/1 Mbit (which is my
nominal speed) to 1/0.128.

$ lsmod | grep ath
ath_rate_sample        21888  1 
ath_pci               224832  0 
wlan                  259232  5 wlan_tkip,wlan_scan_sta,ath_rate_sample,ath_pci
ath_hal               339088  3 ath_rate_sample,ath_pci
multipath              16512  0 

I'm using this snapshot: madwifi-hal-0.10.5.6-r4016-20090429.

Can somebody please certify which exact driver was being used by Ubuntu
Hardy? Was it MadWifi? If so, which exact version/snapshot? I would like
to test with that exact driver. Otherwise, I'll have to assume that
running "ath5" once on my card misconfigured it in a way that madwifi is
not able to recover anymore.

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