Public bug reported:
As of 15 February 2018 (and possibly earlier) the following bug has been
reintroduced:
When Linux Mint (Cinnamon OR Mate) OR UBUNTU starts up (_after_ the
login screen), the Smartlink internal modem is taken off hook, and
remains off hook (disabling the telephone line) until such time as the
system is shut down or rebooted (in which case it goes off hook again
after login).
This annoying bug was introduced with Linux Mint 17.0 Trusty, and also
occurs with Ubuntu 14.04. It disappeared with Linux Mint 18.0 Xenial
(which is based on Ubuntu 16.04). Now it is back, possibly as a result
of the latest updates, possibly earlier.
Yes, since Linux no longer supports the Smartlink modem, even with the
modifications to the kernel that previously worked, I could simply
disconnect the internal modem. But I dual-boot to Windoze, and DO use it
without problem in Windoze, so it is more than an annoyance.
I can understand Linux not supporting hardware, but it is unacceptable
that Linux is sending commands to unsupported hardware whihc cause it to
malfunction.
As a Linux USER, I have no way of isolating the component causing the
bug. It will require a trace of what is written to the COM port(s)
during login. But, since it was fixed before, there should be some
record of the cause and solution.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1750232
Title:
Linux Mint/Ubuntu is taking modem off-hook during logon
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