Thanks Christopher - that was a good idea. After applying the latest BIOS:
fifieldt@nomad115:~$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date [sudo] password for fifieldt: N10ET38W (1.17 ) 08/20/2015 the microcode error disappears. However, connections to 802.11AC networks are still not possible, with the error: "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded" 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) which appears to be related to this bug: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1158749 continuing discussion there. ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1465178 Title: Microcode SW error detected. Restarting 0x2000000 on connecting to AC network with iwlwifi-7265-ucode-25.228.9.0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1465178/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
