Same issue with my Intel Wireless 8260
Upgrading from 7906 to 8324 in Ubuntu 18.04 fixed this nasty bug for me.
I use now this and be happy
https://launchpad.net/~canonical-hwe-team/+archive/ubuntu/backport-iwlwifi?field.series_filter=bionic
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PS I'm using kernel 5.3.0-26-generic
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https://bugs.launchpad.net/bugs/1849891
Title:
Can not establish WIFI connection with Intel Wireless 7265 [8086:095a]
subsystem id [8086:5110]
@Bernhard, you have a different card, it's not the same bug. Please file
a separate bug instead.
@Markus, I found a model with Intel Wireless 7265 but with subsystem id
[8086:5410]. The adapter works out-of-box with Eoan generic kernel
5.3.0-24-generic, and yes, and I also got endless auth retry
Since my upgrade today to 19.10 I am affected by the same bug, but with
different hardware
$ lspci -nnk | grep Network -A2
00:14.3 Network controller [0280]: Intel Corporation Cannon Point-LP CNVi
[Wireless-AC] [8086:9df0] (rev 30)
Subsystem: Intel
Markus, if neither dkms nor latest mainline kernel works for you, then
we'll need to file an upstream bug to
https://bugzilla.kernel.org/buglist.cgi?component=Wireless=Networking=---
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Update: In my case WIFI works again after disabling 802.11n. I added the
option 11n_disable=1 to /etc/modprobe.d/iwlwifi.conf - now it looks like
this:
# /etc/modprobe.d/iwlwifi.conf
# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
# microcode file installed on the system.
Thank you for your suggestions, You-Sheng Yang.
Which kernel/firmware version worked?
-> the default Ubuntu 19.04 kernel and firmware. I never installed a kernel or
firmware from external sources and all minor updates that were available worked
just fine. What also worked: all other versions of
Results from your third suggestion (unfortunately no success):
$ sudo add-apt-repository ppa:canonical-hwe-team/backport-iwlwifi
$ sudo apt install backport-iwlwifi-dkms
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: backport-iwlwifi-dkms (Ubuntu)
Status: New => Confirmed
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