dock vanishes on primary monitor after locking screen if full screen windows are active on secondary monitor

[Diego Nuevo]

I have a laptop system with an additional secondary monitor. I have the Dock configured to show up only on my primary (laptop) screen.

When locking the screen with Super+L, and logging back in, the windows on my primary (laptop) screen get automatically resized to take up the full screen and the Dock on the left vanishes.

This only happens when I have full screen windows displayed on my secondary monitor before locking the screen.

In order to reveal the Dock again on the primary screen, I need to hide/show desktop (Super+D twice) or minimize/reactivate the full-screen app on my secondary monitor.

This started happening after upgrading Ubuntu 19.04 to 19.10.

The gnome-shell version reported by the gnome-shell --version command is 3.34.1
The GNOME version reported by the GNOME control center in the "About" section is 3.34.2

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1862006/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[Diego Nuevo (noqued)]

I left the package field blank intentionally because I'm really not sure if gnome-shell is the appropriate package. This is a problem related with: window management and placement, GNOME dock and lockscreen.

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1844523, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.