It seems Richard Todd wrote:
> I found much the same thing; specifically, the problematic change is this one:
> jhb         2001/08/10 14:08:57 PDT
>   Modified files:
>     sys/kern             kern_synch.c 
>   Log:
>   Work around a race between msleep() and endtsleep() where it was possible
>   for endtsleep() to be executing when msleep() resumed, for endtsleep()
>   to spin on sched_lock long enough for the other process to loop on
>   msleep() and sleep again resulting in endtsleep() waking up the "wrong"
>   msleep.
>   Obtained from:        BSD/OS
>   Revision  Changes    Path
>   1.154     +24 -4     src/sys/kern/kern_synch.c

Yups, reverting this, even in a newer kernel makes sound work again,
well the VIA support is still not sounding proberly, but it didn't
before as well so thats not related to this bogon...


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