Re: High CPU audio drops?
Re: High CPU audio drops?
- Subject: Re: High CPU audio drops?
- From: Kyle Sluder <email@hidden>
- Date: Mon, 21 Dec 2015 09:44:43 -0600
On Mon, Dec 21, 2015, at 05:45 AM, Michael McNeela wrote:
> Hey all
>
> Does it sound *plausible* that a sudden spike in CPU could cause audio to
> stutter & drop?
Sure. If the code responsible for filling audio buffers never gets
scheduled on the CPU, then those audio buffers will contain garbage and
you'll get stutter.
>
> (We're having intermittent audio drops on a few Macs, with
> 'IOAudioStream[]::clipIfNecessary() - Error: counted 1 clip more than one
> buffer ahead errors.' printed around the same time- there happens to be a
> lot of SSH brute forces on the same Macs, so I pondered if the short
> spike
> of SSH-attempts might be triggering it)
It's puzzling that Macs whose audio playback you rely on are exposed to
a network where they can be directly targeted for SSH bruteforce. If
these are workstations, best practice would likely be to place them
behind a firewall. If remote access is necessary, a VPN seems
appropriate.
--Kyle Sluder
>
> (Festive) thanks in advance
>
> *Michael*
> 07595247282
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