Bug 1713 - After upgrading from 2.6.25 to 2.6.26 lost several channels for scanning
: After upgrading from 2.6.25 to 2.6.26 lost several channels for scanning
Status: VERIFIED FIXED
: iwlwifi
others
: 1.2.22
: All Debian
: P2 major
Assigned To:
:
:
:
:
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Reported: 2008-07-31 12:33 by
Modified: 2008-08-26 00:39 (History)


Attachments
2.6.26 loading and scanning for WLAN-SSID on channel 13 in vain (115.02 KB, text/plain)
2008-07-31 12:33, Peter Van Eynde
Details


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Description From 2008-07-31 12:33:01
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)
------- Comment #1 From 2008-07-31 19:01:36 -------
Please add
options cfg80211 ieee80211_regdom=EU
in your /etc/modprobe.conf
------- Comment #2 From 2008-08-25 20:27:46 -------
Hi, could you verify this bug?
I tired on kernel 2.6.27-rc3 with "options cfg80211 ieee80211_regdom=EU". it
works!

jiajia
------- Comment #3 From 2008-08-26 00:36:26 -------
Confirmed, with the module options it works.
------- Comment #4 From 2008-08-26 00:39:04 -------
mark it as verified