Opened 3 years ago

Last modified 2 years ago

#19970 new defect

ath9k low txpower limit after regdomain init

Reported by: igor Owned by: developers
Priority: normal Milestone: Chaos Calmer 15.05
Component: kernel Version: Trunk
Keywords: Cc:


Started to move my hosts from BB to CC branch and found regression with 802.11d. Devices tested: WNDR3700 v1 and WZR-HP-G300NH, fresh builds of CC r46107.

Without 802.11d all good - power limits for 2.4GHz sets according to 'iw list' output (26/29dBm for WNDR3700 and 21dBm for WZR-HP-G300NH). After adding 'option country RU' to wireless config I see regdomain init for RU with 20dBm limits as it should. 'iw list' output also has 20dBm limits. But 'iwinfo' shows 15dBm for WZR-HP-G300NH and 17dBm for WNDR3700. 'iw set txpower' doesn't help to go above this limits to normal 20dBm. Simple scan from smartphone confirms power drop.

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Change History (1)

comment:1 Changed 2 years ago by anonymous

Tested CC r48925. Bug still available.

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