[Xfce-bugs] [Bug 16140] New: Screensaver lock screen does not allow typing password

[bugzilla-daemon at xfce.org]

https://bugzilla.xfce.org/show_bug.cgi?id=16140

            Bug ID: 16140
           Summary: Screensaver lock screen does not allow typing password
    Classification: Xfce Core
           Product: Xfce4-session
           Version: Unspecified
          Hardware: Macintosh
                OS: Linux
            Status: NEW
          Severity: major
          Priority: Medium
         Component: General
          Assignee: xfce-bugs at xfce.org
          Reporter: kevin.grigorenko at us.ibm.com
  Target Milestone: Xfce 4.14

After setting the screensaver lock timeout to 10 minutes, waiting 10 minutes,
and then activating the screen, the password entry does not allow text input
and the user is locked out.

Demonstration: https://www.youtube.com/watch?v=tUqdmKIucbM

To reproduce, use this Docker image:
https://hub.docker.com/r/kgibm/fedorawasdebug

1. Note: You'll need more than 20GB of disk space and configure Docker with 4GB
or more of RAM. For detailed instructions, see the Lab PDF at
https://raw.githubusercontent.com/kgibm/dockerdebug/master/fedorawasdebug/WebSphere_Application_Server_Troubleshooting_and_Performance_Lab_on_Docker.pdf
2. docker run --cap-add SYS_PTRACE --ulimit core=-1 --ulimit memlock=-1
--ulimit stack=-1 --shm-size="256m" --rm -p 9080:9080 -p 9443:9443 -p 9043:9043
-p 9081:9081 -p 9444:9444 -p 5901:5901 -p 5902:5902 -p 3390:3389 -p 22:22 -p
9082:9082 -p 9083:9083 -p 9445:9445 -p 8080:8080 -p 8081:8081 -p 8082:8082 -p
12000:12000 -p 12005:12005 -it kgibm/fedorawasdebug
3. The container is fully started after about 2 minutes when the output shows:
= READY =
4. Remote into the docker image with password 'websphere' (no quotes). Linux:
vncviewer localhost:5902. Mac: open vnc://localhost:5902. Windows: Remote
desktop (see lab instructions), or use a free VNC client.
5. Open Settings > Screensaver and change the timeout to 10 minutes
6. Idle for 10 minutes
7. Activate the screen
8. Try to type in the password 'websphere' (no quotes) but typing does not
work.
9. User is locked out.

The image is built using the following three layers of Dockerfiles
(instructions on how to build each Dockerfile are in comments at the top of the
Dockerfile):

1. Fedora image:
https://github.com/kgibm/dockerdebug/blob/master/fedoradebug/Dockerfile
2. Java image:
https://github.com/kgibm/dockerdebug/blob/master/fedorajavadebug/Dockerfile
3. Final image:
https://github.com/kgibm/dockerdebug/blob/master/fedorawasdebug/Dockerfile

For those unfamiliar with Docker, if you want to debug the issue after it
occurs, you may "login" to the running container using:

docker ps

Take the container ID and then:

docker exec -it $containerid bash

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