1. I have never seen this error in upstream rhythmbox.
2. All instances of this bug are in Ubuntu with rhythmbox-plugin-alternative-toolbar plugin from the logs.
3. The below bug confirms that disabling rhythmbox-plugin-alternative-toolbar makes the crash go away.
https://bugs.launchpad.net/ubuntu/+source/rhythmbox/+bug/1761367
1. I have never seen this error in upstream rhythmbox.
2. All instances of this bug are in Ubuntu with rhythmbox- plugin- alternative- toolbar plugin from the logs.
3. The below bug confirms that disabling rhythmbox- plugin- alternative- toolbar makes the crash go away.
https:/ /bugs.launchpad .net/ubuntu/ +source/ rhythmbox/ +bug/1761367