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[Tom Fifield <1158749@xxxxxxxxxxxxxxxxxx>]

Getting the same error on 14.04 with an Intel 7265 connecting to
802.11AC networks:


Dec 28 13:36:26 nomad115 wpa_supplicant[996]: wlan0: CTRL-EVENT-SCAN-STARTED 
Dec 28 13:36:26 nomad115 NetworkManager[857]: <info> (wlan0): supplicant interface state: disconnected -> scanning
Dec 28 13:36:30 nomad115 wpa_supplicant[996]: wlan0: SME: Trying to authenticate with 30:b5:c2:84:95:0b (SSID='chocolateblock5' freq=5765 MHz)
Dec 28 13:36:30 nomad115 kernel: [ 1399.324895] wlan0: authenticate with 30:b5:c2:84:95:0b
Dec 28 13:36:30 nomad115 kernel: [ 1399.324904] wlan0: capabilities/regulatory prevented using AP HT/VHT configuration, downgraded
Dec 28 13:36:30 nomad115 wpa_supplicant[996]: wlan0: Trying to associate with 30:b5:c2:84:95:0b (SSID='chocolateblock5' freq=5765 MHz)
Dec 28 13:36:30 nomad115 NetworkManager[857]: <info> (wlan0): supplicant interface state: scanning -> authenticating
Dec 28 13:36:30 nomad115 kernel: [ 1399.330730] wlan0: send auth to 30:b5:c2:84:95:0b (try 1/3)
Dec 28 13:36:30 nomad115 kernel: [ 1399.331525] wlan0: authenticated
Dec 28 13:36:30 nomad115 kernel: [ 1399.332430] wlan0: associate with 30:b5:c2:84:95:0b (try 1/3)
Dec 28 13:36:30 nomad115 kernel: [ 1399.333555] wlan0: RX AssocResp from 30:b5:c2:84:95:0b (capab=0x11 status=104 aid=0)
Dec 28 13:36:30 nomad115 kernel: [ 1399.333560] wlan0: 30:b5:c2:84:95:0b denied association (code=104)
Dec 28 13:36:30 nomad115 NetworkManager[857]: <info> (wlan0): supplicant interface state: authenticating -> associating
Dec 28 13:36:30 nomad115 wpa_supplicant[996]: wlan0: CTRL-EVENT-ASSOC-REJECT bssid=30:b5:c2:84:95:0b status_code=104
Dec 28 13:36:30 nomad115 wpa_supplicant[996]: wlan0: SME: Deauth request to the driver failed
Dec 28 13:36:30 nomad115 wpa_supplicant[996]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="chocolateblock5" auth_failures=1 duration=10
Dec 28 13:36:30 nomad115 NetworkManager[857]: <info> (wlan0): supplicant interface state: associating -> disconnected

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Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1158749

Title:
  capabilities/regulatory prevented using AP HT/VHT configuration

Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  The error is similar to this one:
  http://archlinux.2023198.n4.nabble.com/Re-arch-dev-public-
  linux-3-8-0-1-wifi-problem-td4684455.html

  After 2 to 3 hours, the connection simply drops. Not only that but if
  I try to look for the AP, it does not show the one I was connected to
  (but others appear). Or in rare cases for the error, it does not show
  any AP.

  I have read other links suggesting where the problem could be like:

  https://patchwork.kernel.org/patch/2117341/

  https://git.kernel.org/cgit/linux/kernel/git/stable/linux-
  stable.git/commit/?

  Using Ubuntu 13.04 64 Bit
  Network controller: Ralink corp. RT2800 802.11n PCI

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