port-shark/57612: Using audio locks up Shark

[herdware%sdf.org@localhost]

>Number:         57612
>Category:       port-shark
>Synopsis:       Using audio locks up Shark
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-shark-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Sep 08 21:30:01 +0000 2023
>Originator:     Björn Johannesson
>Release:        10_BETA
>Organization:
>Environment:
NetBSD dnard.home.lan 10.0_BETA NetBSD 10.0_BETA (GENERIC) #1: Wed Sep  6 21:54:35 CEST 2023  herdware%regin.home.lan@localhost:/usr/obj/sys/arch/shark/compile/GENERIC shark
>Description:
Using audio on shark/dnard is very stuttery and then it locks up the machine.

This only seems to happen if the machine is booted from local disk. Netbooting with root on nfs doesn't seem to hang on audio but that has other problems.
>How-To-Repeat:
audioplay file.wav
>Fix: