[mythtv-users] Frontend crash-restart loop on no backend

DryHeat122 dryheat122 at gmail.com
Thu Apr 22 01:37:17 UTC 2021

On Mon, Apr 19, 2021, 9:14 PM Stephen Worthington <stephen_agent at jsw.gen.nz>

> On Mon, 19 Apr 2021 18:07:06 -0700, you wrote:
> >I just had a very frustrating experience that I wanted to report because
> >I'm sure this couldn't be the intended design.
> >
> >I changed my router, which uses a different default gateway, so it hosed
> >the hard IP address I had coded into the backend.  I mistakenly started
> the
> >frontend and it put up a dialog called startup status or something, and of
> >course it couldn't connect to the backend.
> >
> >One of the buttons on that screen is exit. I clicked and confirmed and it
> >exited. But I got a notification saying the frontend crashed unexpectedly
> >and would restart, which led me back into the process over and over.
> >
> >The restart is not the expected outcome of exiting, and it comes so fast
> >it's hard to open a terminal window, etc., before it does. I finally
> >managed, but it was not fun.
> >
> >This problem could be eliminated if a normal exit (rather than a crash)
> >were registered when one hits that exit button.
> I surmise you are running MythTV on an Ubuntu system.  In Ubuntu, the
> frontend is a program named "mythfrontend.real", which is run by a
> script named "mythfrontend".  It is the job of the script to restart
> mythfrontend.real if it crashes, and as mythfrontend.real does
> sometimes crash, I find it very useful.  But the script does have a
> bug which does what you have seen - it does not understand when
> mythfrontend.real has been shut down, as opposed to crashing.
> Even when it mythfrontend.real is being restarted all the time, it is
> usually not a problem to open a terminal if you know how.  But it
> depends on the system.  If you are running Xubuntu, then you should be
> able to do Ctrl-Esc to bring up the desktop menu and start a terminal
> from there.  Due to a recent bug, if it is the first time you are
> using Ctrl-Esc since booting, you may need to do it twice before you
> get the menu.  From the menu, go to Applications > Terminal Emulator
> or Applications > System > Xfce Terminal.  But it does depend on your
> XFCE version as to where you will find a terminal.
> And on almost any Linux these days, you can get a text mode terminal
> by using Ctrl-Alt-F1.  To get back to the GUI screen from there, it is
> usually Ctrl-Alt-F7 on Ubuntu, but on other systems you may need to
> try all the Ctrl-Alt-Fx keys.
> On some systems, Ctrl-Alt-T opens a terminal window, but that may only
> work when mythfrontend.real is not running.
> It is also possible to log in from another PC via SSH if you have that
> enabled.

Yes it it Ubuntu. It never occurred to me to use ctl-alt-f1.  I suppose I
could also learn not to start the FE before the BE is running!

Since this is a "feature" rather than a bug, I won't post a ticket on it.

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