Date: Sat, 9 Apr 2016 11:06:28 +0200 From: Svatopluk Kraus <onwahe@gmail.com> To: Sylvain Garrigues <sylvain@sylvaingarrigues.com> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Distorted sound on Raspberry Pi 2 Message-ID: <CAFHCsPVnLFdC0uOgLfie8QQibi_1b9v9b4mWzz%2B7URuExGSaPA@mail.gmail.com> In-Reply-To: <FA4A06C6-0A9A-4697-8C2D-141E1416F252@sylvaingarrigues.com> References: <FA4A06C6-0A9A-4697-8C2D-141E1416F252@sylvaingarrigues.com>
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Is it recent problem? If yes, some info about kernel version would be really nice. On Fri, Apr 8, 2016 at 5:28 PM, Sylvain Garrigues <sylvain@sylvaingarrigues.com> wrote: > Hello, > > I have continuous warnings on my Raspberry PI 2 regarding sound when hw.s= nd.verbose=3D4: > > ... > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D120000,= old=3D120000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D124000,= old=3D124000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D0, old= =3D0 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D4000, o= ld=3D4000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D8000, o= ld=3D8000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D12000, = old=3D12000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D16000, = old=3D16000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D16000, = old=3D16000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=3D20000, = old=3D20000 delta=3D0 amt=3D0 ready=3D8192 free=3D119808 > =E2=80=A6 > > The sound is frequently slightly distorted (like every 5s), and I am tryi= ng to figure out why. > > To reproduce: > # sysctl dev.pcm.0.dest=3D1 > # sysctl hw.snd.verbose=3D4 > # mpg123 anympegfile > > I still get the warnings on the HDMI output (dev.pcm.0.dest=3D2) but the = sound is not distorted. > > Any idea? > > Best, > Sylvain. > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
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