This is definitely a new regression for me in 18.04, I didn't suffer from it
before. Judging by the large numbers of new comments from 18.04 users, this is
likely the case for others as well.
Is there some way to signal this in the bug flags/metadata?
(I tried to report a new 18.04 specific bug
Public bug reported:
On a ThinkPad 470s it takes ~ 40 seconds to gain connectivity on wake or
startup.
The log seems to incidate that there is first a 10 second delay in the
kernel recognising the USB device and assigning a serial port to it, and
then it takes ModemManager 20 seconds to open the
Public bug reported:
To fix this, I had to go to "Mobile broadband settings", click the
gearwheel icon, spot the "IPv6 settings" tab and change Method from
Ignore to Automatic.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: modemmanager 1.6.8-2ubuntu1
Uname: Linux 4.16.7-041607-generic x86
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