Seeing 'timidity' in the data collected by apport I have just uninstalled timidity. This has immediately restored the availability of the sound output. Also after rebooting, sound output is working again (I have since rebooted twice).
Seeing 'timidity' in the data collected by apport I have just uninstalled timidity. This has immediately restored the availability of the sound output. Also after rebooting, sound output is working again (I have since rebooted twice).