NUC with Intel AC-9462 can't WiFi; please help

sinbrkatetete

New Member
Jan 14, 2019
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Hello, dear reader.

A word of caution in advance, I'm a total noob. Both in linux and proxmox, but I'm a relative quick to understand and not afraid of researching when given some pointers. Also, a thank you in advance, to all who even think of trying to help.

Anyway, the deal is as follows: I've bought a little low powered Intel NUC for a proxmox server which would run a container or two (unifi, tor proxy, pihole etc) and a VM or two (homeassistant) and for the life of me I can't get the wireless card to chooch.

After it wasn't detected during install (installation from Proxmox iso), I've edited the apt sources list, added the non-free sources and, after I was informed that by upgrading the firmware-iwlwifi package I was going to uninstall much/all of Proxmox, I went the other way and updated pve-firmware by issuing
apt-get upgrade pve-firmware
. That helped with
detecting the card, but not with much else. Since, I've done/found the following:

Code:
00:00.0 Host bridge: Intel Corporation Device 31f0 (rev 03)
        Subsystem: Intel Corporation Device 2072
00:02.0 VGA compatible controller: Intel Corporation Device 3184 (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: i915
        Kernel modules: i915
00:0c.0 Network controller: Intel Corporation Device 31dc (rev 03)
        Subsystem: Intel Corporation Device 02a4
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
00:0e.0 Audio device: Intel Corporation Device 3198 (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel, snd_soc_skl
00:0f.0 Communication controller: Intel Corporation Device 319a (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: mei_me
        Kernel modules: mei_me
00:12.0 SATA controller: Intel Corporation Device 31e3 (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: ahci
        Kernel modules: ahci
00:13.0 PCI bridge: Intel Corporation Device 31d8 (rev f3)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:13.2 PCI bridge: Intel Corporation Device 31da (rev f3)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:15.0 USB controller: Intel Corporation Device 31a8 (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: xhci_hcd
00:1c.0 SD Host controller: Intel Corporation Device 31cc (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci_pci
00:1f.0 ISA bridge: Intel Corporation Device 31e8 (rev 03)
        Subsystem: Intel Corporation Device 2072
00:1f.1 SMBus: Intel Corporation Device 31d4 (rev 03)
        Subsystem: Intel Corporation Device 2072
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
        Subsystem: Intel Corporation RTS5229 PCI Express Card Reader
        Kernel driver in use: rtsx_pci
        Kernel modules: rtsx_pci
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
        Subsystem: Intel Corporation RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
        Kernel driver in use: r8169
        Kernel modules: r8169

Code:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UP group default qlen 1000
    link/ether do:es:it:ma:tt:er brd ff:ff:ff:ff:ff:ff
3: wlo2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
    link/ether do:es:it:ma:tt:er brd ff:ff:ff:ff:ff:ff
4: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether do:es:it:ma:tt:er brd ff:ff:ff:ff:ff:ff
    inet ip.ip.ip.ip24 brd ip.ip.ip.ip scope global vmbr0
       valid_lft forever preferred_lft forever
    inet6 fe80::ipip:ipip:ipip:ipip/64 scope link
       valid_lft forever preferred_lft forever

Code:
Jan 17 21:30:41 kernel: iwlwifi 0000:00:0c.0: enabling device (0000 -> 0002)
Jan 17 21:30:41 kernel: iwlwifi 0000:00:0c.0: loaded firmware version 34.3125811985.0 op_mode iwlmvm
Jan 17 21:30:41 kernel: iwlwifi 0000:00:0c.0: Detected Intel(R) Dual Band Wireless AC 9462, REV=0x318
Jan 17 21:30:41 kernel: iwlwifi 0000:00:0c.0: base HW address: do:es:it:ma:tt:er
Jan 17 21:30:41 kernel: ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
Jan 17 21:30:42 kernel: iwlwifi 0000:00:0c.0 wlo2: renamed from wlan0
Jan 17 22:33:57 kernel: iwlwifi 0000:00:0c.0: Conflict between TLV & NVM regarding enabling LAR (TLV = enabled NVM =disabled)


Going with the "conflict" listed in the last line of journalctl/dmesg output, first I've tried a suggestion I found somewhere -
Code:
sudo modprobe -r iwlwifi && sudo modprobe iwlwifi lar_disable=Y
, but got
Code:
modprobe: FATAL: Module iwlwifi is in use.
; then I've tried puting
Code:
options iwlwifi lar_disable=Y
in /etc/modprobe.d/iwlwifi.conf and rebooting, but still no luck with the ip link set wlo2 up command.

Can anyone please help? Thanks in advance.

EDIT:
Oh, yes... From what I've seen on the forum, I'm supposed to provide the
Code:
proxmox-ve: 5.3-1 (running kernel: 4.15.18-9-pve)
pve-manager: 5.3-5 (running version: 5.3-5/97ae681d)
pve-kernel-4.15: 5.2-12
pve-kernel-4.15.18-9-pve: 4.15.18-30
corosync: 2.4.4-pve1
criu: 2.11.1-1~bpo90
glusterfs-client: 3.8.8-1
ksm-control-daemon: 1.2-2
libjs-extjs: 6.0.1-2
libpve-access-control: 5.1-3
libpve-apiclient-perl: 2.0-5
libpve-common-perl: 5.0-43
libpve-guest-common-perl: 2.0-18
libpve-http-server-perl: 2.0-11
libpve-storage-perl: 5.0-33
libqb0: 1.0.3-1~bpo9
lvm2: 2.02.168-pve6
lxc-pve: 3.0.2+pve1-5
lxcfs: 3.0.2-2
novnc-pve: 1.0.0-2
proxmox-widget-toolkit: 1.0-22
pve-cluster: 5.0-31
pve-container: 2.0-31
pve-docs: 5.3-1
pve-edk2-firmware: 1.20181023-1
pve-firewall: 3.0-16
pve-firmware: 2.0-6
pve-ha-manager: 2.0-5
pve-i18n: 1.0-9
pve-libspice-server1: 0.14.1-1
pve-qemu-kvm: 2.12.1-1
pve-xtermjs: 1.0-5
qemu-server: 5.0-43
smartmontools: 6.5+svn4324-1
spiceterm: 3.0-5
vncterm: 1.5-3
zfsutils-linux: 0.7.12-pve1~bpo1
 
Last edited:

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