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Date:      Sun, 18 Mar 2018 16:41:51 -0700
From:      Cy Schubert <Cy.Schubert@cschubert.com>
To:        Theron Tarigo <theron.tarigo@gmail.com>
Cc:        AN <andy@neu.net>, freebsd-current@freebsd.org, freebsd-ports@freebsd.org
Subject:   Re: pcm1:virtual:dsp1.vp0: play interrupt timeout, channel dead
Message-ID:  <201803182341.w2INfppM004203@slippy.cwsent.com>
In-Reply-To: Message from Theron Tarigo <theron.tarigo@gmail.com> of "Sun, 18 Mar 2018 18:52:08 -0400." <764e2df5-613d-a131-5d7d-6df54599509b@gmail.com>

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In message <764e2df5-613d-a131-5d7d-6df54599509b@gmail.com>, Theron 
Tarigo writ
es:
> On 03/18/18 18:35, AN wrote:
> > Is there a way to restart the audio subsystem without rebooting the 
> > machine?
> Building kernel with sound and snd_* as loadable modules should enable 
> this to be accomplished with kldunload/kldload.  In my experience though 
> all sound device files must be closed before unloading these modules to 
> avoid some lockup issues.

The other thing you might want to check out is if you multiboot your 
laptop that any non-FreeBSD operating system may put hardware into an 
inconsistent state. For example, my Acer laptop loses sound if I boot 
Windows then boot FreeBSD. The workaround is either adjust the HDA 
inputs/outputs through sysctl or simply power cycle the laptop.


-- 
Cheers,
Cy Schubert <Cy.Schubert@cschubert.com>
FreeBSD UNIX:  <cy@FreeBSD.org>   Web:  http://www.FreeBSD.org

	The need of the many outweighs the greed of the few.





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