Description of problem: Wireless Chip does not detect an AP when channel is higher than 11, 9 works fine. Version-Release number of selected component (if applicable): version: 1.2.26kds Steps to Reproduce: 1. make AP use channel 12 2. iwlist scanning Actual results: AP not listed Expected results: AP in list Additional info: This seems to occur on an iwl3945 with ubuntu 8.04 too.
The cfg80211 component is defaulting to settings for the US regulatory domain. Channels 12 and 13 are not available in the US. Future plans include a much more flexible mechanism for handling regulatory issues, but currently the only other regulatory domain known to the kernel is one for Japan. But, it does include channels 12 and 13. You can make those channels available by adding a line like this to /etc/modprobe.conf: options cfg80211 ieee80211_regdom="JP" Please ensure that you are complying with local laws regarding wireless communications! Does this make those channels available for you?
Thannk you for your answer. This makes this not a bug.