ID 348149 - Unplugging a Wacom tablet whilst the Mari instance is open crashes Mari 4 on Linux

Problem summary
Unplugging a Wacom tablet whilst the Mari instance is open crashes Mari 4 on Linux

Customer reported version
4.0v4
Customer reported platform
centos7

Steps to reproduce

1) With a Wacom tablet, launch Mari 4

2) Open example project

3) Unplug the Wacom tablet from your machine

4) Mari becomes non responsive and has to be force quit

Workaround
Wait until the Mari application has been closed before unplugging the Wacom tablet

Reproduced by support
Mari 4.0v4 - CentOS 7 w/ Intuos 4
Mari 4.0v1 - CentOS 7 w/ Intuos 4

Earliest version tested
Mari 3.3v1 - Last working version.

Expected behaviour
The Mari application should remain unaffected by the Wacom detection, as in Mari 3

Actual behaviour
Mari 4 becomes unresponsive and the application has to be force quit