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Intel Dual Band Wireless-AC 7265 on Mint Debian doesn’t work
Intel Dual Band Wireless-AC 7265 on Mint Debian doesn’t work
Post by linuxminze » Thu Feb 26, 2015 4:53 pm
Hi,
I just got a ThinkPad L450 with an Intel Dual Band Wireless-AC 7265 device. Unfortunately, after I installed Linux Mint Debian, there were quite a few problems..
I could not get online, neither via wireless nor wired connection. I got the wired connection to work using a driver supplied by Intel. They don’t have drivers for the wireless device though.
I found the iwlwifi website (https://wireless.wiki.kernel.org/en/use . i#download), and the device is listed there, but unfortunately, I have a kernel version that is older than 3.13, namely 3.11.2. I downloaded that file ( https://wireless.wiki.kernel.org/_media . 24.8.0.tgz ) anyways, but I don’t really know what to do with it.
In the compressed folder, I find three files:
iwlwifi-7265-8.ucode, LICENCE.iwlwifi-7265-ucode and README.iwlwifi-7265-ucode
In /lib/firmware/ there are iwlwifi files (*.ucode) for other devices, e.g. the Intel 7260.
*-network description: Ethernet interface product: Ethernet Connection (3) I218-V vendor: Intel Corporation physical id: 19 bus info: pci@0000:00:19.0 logical name: eth0 version: 03 serial: 68:f7:28:5a:43:88 size: 100Mbit/s capacity: 1Gbit/s width: 32 bits clock: 33MHz capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.1.0.2-NAPI duplex=full firmware=0.2-3 ip=172.16.1.105 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s resources: irq:60 memory:f1200000-f121ffff memory:f123e000-f123efff ioport:3080(size=32) *-network UNCLAIMED description: Network controller product: Intel Corporation vendor: Intel Corporation physical id: 0 bus info: pci@0000:04:00.0 version: 61 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:f1100000-f1101fff I am grateful for any help and explanations, since I don’t really know much about these things. I just know that the laptop and the wireless device seem to be pretty new. (The readme file for the .ucode file I downloaded didn’t really help me that much, since it assumes too much previous knowledge, I think.)
Basically, I would like to try if the driver works despite my kernel version (except someone knows for sure that it doesn’t work) — but for that I would need help «installing» it. (I have no idea about installing/loading modules, which I kept reading about in this context.) So if there are no ideas as to another solution, it would be helpful if someone could help me with that.
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Intel Dual-Band Wireless-AC 7265
Внезапно(!) обнаружил, что у меня в ноуте стоит обычная Intel Wireless-N 7265. Решил менять на Dual-Band Wireless-AC 7265.
В продаже нашлись карточки 7265.NGWG.W939155 и 7265.NGWGC.SW939199. И если поиск по первой вывел меня сюда https://qdms.intel.com/Portal/SearchPCNDataBase.aspx?mm=939155 то по второй вообще ничего найти не могу, да и гуглится она только по нашенским магазинам.
Вопрос: как понять чем они отличаются и какую брать?
Отличаться могут две вещи
1) Наличие/отсутствие Bluetooth
2) Форм-фактор
Тут смотрел? http://forum.ixbt.com/topic.cgi?id=14:59499
Судя по http://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/du. мне как раз нужен 7265NGW. А у сабжевых модулей отличие только в коде (NGW — форм-фактор M.2 2230) — G.W939155 и GC.SW939199.
Небольшой оффтопик. Ты же в курсе, что этот модуль жутко глючный? Постоянные разрывы, не дальнобойный. Я вот недавно взял 8260 — он вроде получше, но даже в нем толком не работает Bluetooth.
У меня сейчас Intel Wireless-N 7265, проблем с wi-fi нет, по синезубу подключена клавиатура и работает прекрасно, но мне нужен диапазон 5ghz. Да и глючный же вроде 7260.
Arch Linux
I’m having problems getting the Intel Wireless-AC 7265 wireless network adapter on my Intel Compute Stick STK1A32SC to work.
First, I followed the instructions in Network configuration/Wireless, section 1 ‘Device driver’:
# lspci -k . 01:00.0 Network controller: Intel Corporation Wireless 7265 (rev 69) Subsystem: Intel Corporation Dual Band Wireless-AC 7265 Kernel driver in use: iwlwifi Kernel modules: iwlwifi . # dmesg | grep firmware [ 0.478545] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 12.361841] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 12.581715] iwlwifi 0000:01:00.0: loaded firmware version 29.163394017.0 op_mode iwlmvm [ 12.920925] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor.# dmesg | grep iwlwifi [ 12.551456] iwlwifi 0000:01:00.0: enabling device (0000 -> 0002) [ 12.580665] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM [ 12.580672] iwlwifi 0000:01:00.0: Found debug configuration: 0 [ 12.581715] iwlwifi 0000:01:00.0: loaded firmware version 29.163394017.0 op_mode iwlmvm [ 12.903002] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 [ 12.917106] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM [ 12.920925] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. [ 12.929113] iwlwifi 0000:01:00.0: base HW address: 50:76:af:5e:9b:a1 [ 13.029349] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 [ 590.751111] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM [ 590.840507] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM [ 590.843974] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring [ 590.918079] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM [ 591.007892] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM [ 591.010410] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuringSince I need to connect to a WPA-protected router, I installed NetworkManager following the instructions on NetworkManager.
The adapter seems to be working on some level, because I can get a list of nearby wifi networks (including the network that I want to connect to) with:
But when I try to connect, I get:
# nmcli device wifi connect myssid password mypassword Error: Connection activation failed: (5) IP configuration could not be reserved (no available address, timeout, etc.).# nmcli monitor myssid: connection profile changed wlp1s0: using connection 'myssid' wlp1s0: connecting (prepare) Networkmanager is now in the 'connecting' state wlp1s0: connecting (configuring) wlp1s0: connecting (need authentication) myssid: connection profile changed wlp1s0: connecting (prepare) wlp1s0: connecting (configuring) myssid: connection profile changed wlp1s0: connecting (getting IP configuration) Connectivity is now 'limited' wlp1s0: connection failed Networkmanager is now in the 'disconnected' state wlp1s0: disconnected myssid: connection profile changed Connectivity is now 'none'So, something seems to be wrong.
If I try to use WPA supplicant directly, I don’t even get to see a list of nearby wifi networks:
Intel Dual Band Wireless 7265 dropping connection
I am running Ubuntu 14.04.01 LTS on an Acer V Nitro laptop which has an Intel Dual Band Wireless 7265 controller. The driver version is 3.13.0-45-generic with firmware 22.24.8.0. The connection is stable for 30-40 minutes and after, it disconnects. Are necessary several reconnect attempts, sometime a restart in order to reconnect to the WiFi network. Did anyone face this issue with this controller? What do you recommend to diagnose the issue?
4 Answers 4
The root cause is described in this blog post It seems that there are some bugs in the Intel iwlwifi driver for 802.11N protocol for the kernel/firmware versions 3.13.0-45-generic/22.24.8.0. The temporary solution it is to disable 802.11N which is an work-around until the issue will be fixed. That means that I will not use the full capacity of the 7265 controller, which will be limited to 54MBs.
sudo sh -c 'echo "options iwlwifi 11n_disable=1" >> /etc/modprobe.d/iwlwifi.conf' Just wanted to say I had the same issue in Ubuntu 15.04 on a Lenovo X1 Carbon (Latest) and this workaround resolved the issue for me.
54MB/s is way better than the intermittent and incredibly frustrating 0MB/s I have been experiencing. especially given I am paying for 250.
I also have the last supported version of firmware for this device from wireless.wiki.kernel.org/en/users/drivers/iwlwifi Note how 7260 and 7265 are explicitly called out for «not going to receive any updates anymore». Boooo.
Actually, I was able to download newer firmware from the git repo, which made my connection both reliable and faster, without these workaround. I posted the full instructions as an answer, which I suggest anybody reading this tries if they have a 7260, 7265 or 7265D device
A lot of Intel wifi cards exhibit this issue until you echo «options iwlwifi 11n_disable=8» | sudo tee -a /etc/modprobe.d/iwlwifi.conf and reboot
zeroset.mnim.org/2014/04/22/… I looked to the traces from /var/log/syslog and they match the same use-case.
It didn’t helped, but your hint sent me to the blog above, which looks my case too. I’ve set 11n_disable=1, and it should work.
Wheeee! After a couple hours putzing around on the Internet, I found a solution that works for 7260/7265 with even newer firmware for 7265D devices.
7260 and 7265 will not be supported by the newest firmware versions: the last firmware that was released for these devices is -17.ucode. Bug fixes will be ported to -17.ucode. Note that 7265D can run later firmware versions. In order to determine if your 7265 device is a ‘D’ version, you can check the dmesg output:
Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 The revision number of a 7265D device is 0x210, if you see any other number, you have a 7265 device.
So, I ran dmesg | grep Wireless and saw I did have device code 0x210.
Edit: This file is also missing. Either find a new driver that works, or search for old files in git history: https://github.com/OpenELEC/iwlwifi-firmware/commits/master/firmware
Next, I had a look in /lib/firmware, and noticed that I only had the -16.ucode file. So, I went to the git repo, downloaded the file from git, then used: sudo cp ~/Downloads/iwlwifi-726* /lib/firmware restarted my wifi, and actually got a usable connection!
Note that I tried both 11n_disable=8 and 11n_disable=1 (tried each one separately) to no avail. With this updated firmware, I was able to remove these workarounds.