It can also crash in the session where display settings are changed, but I can't reproduce it reliably. I can save default display settings in xfconf without changing them, but any change saved makes xfwl4 crash on next startup. Default display settings (doesn't crash): [displays-channel-default](/uploads/d1df9a7f242be78ce7a67e4611b1afa2/displays-channel) Changed display settings (does crash): [displays-channel-changed](/uploads/84bf3dba8b104bdcd5208773f9342d48/displays-channel) Working logs: [xfwl4-working.log](/uploads/91b723ec651f8ea034fee89a2925224f/xfwl4.log) Crashing logs: [xfwl4-crashing.log](/uploads/cf67e93f28d496b7fabc5063d8cd8d23/xfwl4.log)