Public bug reported:
On a clean 16.04 amd64 install a Managed mode Access Point 'Hotspot'
fails to initialize when the frequency band is set to 802.11a 5GHz.
"Automatic" or "2.4GHz" both work (using 802.11g).
$ lspci -nnk -s 02:00.0
02:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095a]
(rev 59)
Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5100]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
$ journalctl -u NetworkManager.service
...
[1462706989.5477] (wlp2s0): using nl80211 for WiFi device control
[1462706989.5562] device (wlp2s0): driver supports Access Point (AP) mode
...
[1462708489.5782] Config: added 'ssid' value 'TJ'
[1462708489.5782] Config: added 'mode' value '2'
[1462708489.5782] Config: added 'frequency' value '5180'
[1462708489.5783] Config: added 'freq_list' value '5035 5040 5045 5055 5060
5080 5170 5180 5190 5200 5210 5220 5230 5240 5250 5260 5280 5290 5300 5320 5500
5520 5540 5560 5580 5600 5620 5640 5660 5680 5700 5745 5760 5765 5785 5800 5805
5825 4915 4920 4925 4935 4945 4960 4980'
[1462708489.5783] Config: added 'key_mgmt' value 'WPA-PSK'
[1462708489.5783] Config: added 'psk' value '<omitted>'
[1462708489.5966] sup-iface[0x16a8ac0,wlp2s0]: config: set interface ap_scan to
2
[1462708515.0203] device (wlp2s0): Activation: (wifi) Hotspot network creation
took too long, failing activation
[1462708515.0204] device (wlp2s0): state change: config -> failed (reason
'supplicant-timeout') [50 120 11]
[1462708515.0207] manager: NetworkManager state is now DISCONNECTED
...
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "journalctl -u NetworkManager.service | grep -C 5 'Access
Point'"
https://bugs.launchpad.net/bugs/1579512/+attachment/4658660/+files/NM-AP.log
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https://bugs.launchpad.net/bugs/1579512
Title:
Hotspot Access Point mode fails for 802.11a (5GHz) band
Status in network-manager package in Ubuntu:
New
Bug description:
On a clean 16.04 amd64 install a Managed mode Access Point 'Hotspot'
fails to initialize when the frequency band is set to 802.11a 5GHz.
"Automatic" or "2.4GHz" both work (using 802.11g).
$ lspci -nnk -s 02:00.0
02:00.0 Network controller [0280]: Intel Corporation Wireless 7265
[8086:095a] (rev 59)
Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5100]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
$ journalctl -u NetworkManager.service
...
[1462706989.5477] (wlp2s0): using nl80211 for WiFi device control
[1462706989.5562] device (wlp2s0): driver supports Access Point (AP) mode
...
[1462708489.5782] Config: added 'ssid' value 'TJ'
[1462708489.5782] Config: added 'mode' value '2'
[1462708489.5782] Config: added 'frequency' value '5180'
[1462708489.5783] Config: added 'freq_list' value '5035 5040 5045 5055 5060
5080 5170 5180 5190 5200 5210 5220 5230 5240 5250 5260 5280 5290 5300 5320 5500
5520 5540 5560 5580 5600 5620 5640 5660 5680 5700 5745 5760 5765 5785 5800 5805
5825 4915 4920 4925 4935 4945 4960 4980'
[1462708489.5783] Config: added 'key_mgmt' value 'WPA-PSK'
[1462708489.5783] Config: added 'psk' value '<omitted>'
[1462708489.5966] sup-iface[0x16a8ac0,wlp2s0]: config: set interface ap_scan
to 2
[1462708515.0203] device (wlp2s0): Activation: (wifi) Hotspot network
creation took too long, failing activation
[1462708515.0204] device (wlp2s0): state change: config -> failed (reason
'supplicant-timeout') [50 120 11]
[1462708515.0207] manager: NetworkManager state is now DISCONNECTED
...
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