Bugzilla – Bug 1713
After upgrading from 2.6.25 to 2.6.26 lost several channels for scanning
Last modified: 2008-08-26 00:39:04
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Created an attachment (id=1512) [details] 2.6.26 loading and scanning for WLAN-SSID on channel 13 in vain After upgrading from 2.6.25 (iwl3945 1.2.23kds) to 2.6.26 (iwl1.2.26kds) the number of channels changed. I was using a AP with channel 13, so I could not connect to it anymore. with 1.2.23kds: sharrow:~# iwlist wlan0 channel wlan0 32 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz Channel 34 : 5.17 GHz Channel 36 : 5.18 GHz Channel 38 : 5.19 GHz Channel 40 : 5.2 GHz Channel 42 : 5.21 GHz Channel 44 : 5.22 GHz Channel 46 : 5.23 GHz Channel 48 : 5.24 GHz Channel 52 : 5.26 GHz Channel 56 : 5.28 GHz Channel 60 : 5.3 GHz Channel 64 : 5.32 GHz Channel 100 : 5.5 GHz Channel 104 : 5.52 GHz Channel 108 : 5.54 GHz Channel 112 : 5.56 GHz Channel 116 : 5.58 GHz Channel 120 : 5.6 GHz Channel 124 : 5.62 GHz Current Frequency=2.412 GHz (Channel 1) pvaneynd@sharrow:~ :) $ iwlist wlan0 channel | grep 472 Channel 13 : 2.472 GHz Current Frequency=2.472 GHz (Channel 13) With 1.2.26kds: sharrow:~# iwlist wlan0 channel wlan0 19 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 36 : 5.18 GHz Channel 40 : 5.2 GHz Channel 44 : 5.22 GHz Channel 48 : 5.24 GHz Channel 52 : 5.26 GHz Channel 56 : 5.28 GHz Channel 60 : 5.3 GHz Channel 64 : 5.32 GHz Current Frequency:2.442 GHz (Channel 7)
Please add options cfg80211 ieee80211_regdom=EU in your /etc/modprobe.conf
Hi, could you verify this bug? I tired on kernel 2.6.27-rc3 with "options cfg80211 ieee80211_regdom=EU". it works! jiajia
Confirmed, with the module options it works.
mark it as verified