Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 17 Jun 2004 10:09:41 -0700 (PDT)
From:      Doug White <dwhite@gumbysoft.com>
To:        Tobias Aigner <lists@mangosuechtig.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Sound problems during load
Message-ID:  <20040617100638.S26359@carver.gumbysoft.com>
In-Reply-To: <20040617011017.320af459.lists@mangosuechtig.org>
References:  <20040617011017.320af459.lists@mangosuechtig.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, 17 Jun 2004, Tobias Aigner wrote:

> I have noticed some sound-playback (through xmms) problems during I/O
> load for example extracting a big tar/gzip/bz2 archive. While extracting
> the sound slows down, starts to stutter and gets very distorted on both
> soundcards. The same thing when I try to load a kernel module. I've
> already done some testing with my bios and irq settings but no success.
>
> This happens on FreeBSD 5.2.1(-p8) and on todays -CURRENT. I just wanted
> to know if there is any fix or workaround available? Would be great.

Are WITNESS and INVARIANTS enabled?  If so, those drag down interrupt
latency enough to cause sound disruptions.  I can get my home -current box
(athlon 3000+) to do the same thing, but even setting
debug.witness_watch=0 makes a massive improvement, and that doesn't
entirely disable witness.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040617100638.S26359>