I'm also seeing this issue, though for me it is only when my external DAC is connected via USB. When I disconnect it, pulseaudio starts normally.
- Bug#991337: pulseaudio: Pulseaudio craches on start w... Mikhail Vereshchagin
- Bug#991337: pulseaudio: Pulseaudio craches on st... Jim Lerza
- Bug#991337: pulseaudio: Pulseaudio craches o... Jean-Marie Favreau
- Bug#991337: pulseaudio: Pulseaudio craches on st... Mikhail Vereshchagin
- Bug#991337: pulseaudio: Can confirm with another... Jakub Lucký
- Bug#991337: pulseaudio: Can confirm with ano... Jean-Marie Favreau
