Public bug reported:
I experienced the same problem on two different Dell Laptops (an old
dell 640m and a newer Dell E7450). After fresh install of Ubuntu 18.04.1
wifi and network work flawlessly but after routine kernel update (from
4.15.0-29.31 to 4.15.0-34.37) network manager correctly show wireless
networks but cannot establish a connection. Rebooting with previous
kernel (4.15.0-29) fix the problem and I had to set it as default in
grub. Please find attached the report obtained running ubuntu-bug linux
after booting the latest kernel. Bug symptoms look similar to those
described for bug 1788997 but as far as I understand they do not seem
related.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: intel kernel-bug wifi
** Attachment added: "report"
https://bugs.launchpad.net/bugs/1793022/+attachment/5189979/+files/report
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https://bugs.launchpad.net/bugs/1793022
Title:
Cannot connect to wifi after kernel update 4.15.0-29 to 4.15.0-34
Status in linux package in Ubuntu:
Incomplete
Bug description:
I experienced the same problem on two different Dell Laptops (an old
dell 640m and a newer Dell E7450). After fresh install of Ubuntu
18.04.1 wifi and network work flawlessly but after routine kernel
update (from 4.15.0-29.31 to 4.15.0-34.37) network manager correctly
show wireless networks but cannot establish a connection. Rebooting
with previous kernel (4.15.0-29) fix the problem and I had to set it
as default in grub. Please find attached the report obtained running
ubuntu-bug linux after booting the latest kernel. Bug symptoms look
similar to those described for bug 1788997 but as far as I understand
they do not seem related.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1793022/+subscriptions
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