This bug seems fixed after the latest 4.15 update (4.15.0-36-generic).
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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
I checked (both laptops) and the bug seems to be fixed in the upstrem
kernel (4.19-rc4). In the meantime I'll stick with 4.15.0-29. At the
moment I edited /etc/default/grub with: GRUB_DEFAULT="1>4" to load it by
default. Is it the correct way to do that? Thanks.
** Tags added:
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
Please find the required apport information. Trying to send the
information with the -34 kernel loaded I also realized the following:
Wifi:
- wifi cannot connect to my APs (I tested two of them)
- a connection to a nearby wifi hotspot login page (unencrypted) can be
established and a login page
apport information
** Tags added: apport-collected bionic
** Description changed:
- 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
AFAIR, this bug happened to me in Lenovo Thinkpad T430.
However, the bug is already confirmed in the kernel ML.
Please, could you attach the log files like the Ubuntu Kernel Bot says
above.
Thanks,
nzoueidi
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