Upstart relies on ptrace fundamentally for its process supervision. This bug will never be fixed. The resolution for xfce is to migrate from upstart sessions to systemd sessions, which use newer kernel interfaces instead of relying on ptrace.
Upstart relies on ptrace fundamentally for its process supervision. This bug will never be fixed. The resolution for xfce is to migrate from upstart sessions to systemd sessions, which use newer kernel interfaces instead of relying on ptrace.