When locking using "dm-tool lock", the greeter runs as expected. After logging in, the lightdm process lingers, and they start to build up. This is a significant problem when a resource-heavy lightdm theme is used.
I am not completely sure it's the greeter's fault, but this bug page on lightdm's launchpad suggests some things greeters can do to eliminate the problem: https://bugs.launchpad.net/lightdm/+bug/1322275
When locking using "dm-tool lock", the greeter runs as expected. After logging in, the lightdm process lingers, and they start to build up. This is a significant problem when a resource-heavy lightdm theme is used.
I am not completely sure it's the greeter's fault, but this bug page on lightdm's launchpad suggests some things greeters can do to eliminate the problem: /bugs.launchpad .net/lightdm/ +bug/1322275
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