Re: [issue727] unloading sound driver panics box

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

Matthew Dillon wrote:
> Matthew Dillon <dillon@apollo.backplane.com> added the comment:
>
> :
> :we should switch back to spinlocks and maybe sync the sound code to FreeBSD-7.
>
>     We can't use spinlocks in that code.  FreeBSD assumes they are sleepable
>     mutexes so we have to use lockmgr locks (which are basically the same
>     thing).

actually it assumes so only in one place, the uaudio driver, and this is even a bug which has been fixed in freebsd-7.  so i'd say let's sacrifice uaudio (seems our only consumer didn't come back) and make the rest work properly.

cheers
 simon

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