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Unstable wifi with intel 8260 [8086:24f3] (rev 3a) on ubuntu 16.04 ruung on Lenovo

Hi, I have a brand new Lenovo P50 with intel 8260 wifi. Using ubuntu 16.04 with keel 4.4.0.31 generic. wifi often stops working or simply shows no networks in network mnager. from time to time the up and down arrows are display in the network manager, even with no network cable coected.

Code:

wget http://mirrors.keel.org/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.158_all.deb
sudo dpkg -i linux-firmware*.deb
has been done.

editing

Code:

/etc/default/crda
to my reg domain has no effect, still

Code:

sudo iw reg get
shows

Code:

country 00: DFS-UNSET
    (2402 - 2472 @ 40), (6, 20), (N/A)
    (2457 - 2482 @ 40), (6, 20), (N/A), PASSIVE-SCAN
    (2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN
    (5170 - 5250 @ 160), (6, 20), (N/A), PASSIVE-SCAN
    (5250 - 5330 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
    (5490 - 5730 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
    (5735 - 5835 @ 80), (6, 20), (N/A), PASSIVE-SCAN
    (57240 - 63720 @ 2160), (N/A, 0), (N/A)
using

Code:

sudo modprobe -r iwlwifi
sudo modprobe iwlwifi 11n_disable=1
solves the issue. so I tried to make it permanent with

Code:

sudo -i
echo "options iwlwifi 11n_disable=1"  >>  /etc/modprobe.d/iwlwifi.conf
exit
after reboot wifi n mode seems to be disabled, howeve, the problem comes back. only doing a manual

Code:

sudo modprobe -r iwlwifi
sudo modprobe iwlwifi 11n_disable=1
helps as long as I do do not reboot.

Any help is appreciated to establish a permanent fix

برچسب: نویسنده: استخدام کار تاريخ: سه شنبه 29 تير 1395 ساعت: 23:35

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