Date: Sat, 9 Apr 2016 17:02:14 +0200 From: Sylvain Garrigues <sylvain@sylvaingarrigues.com> To: Svatopluk Kraus <onwahe@gmail.com> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Distorted sound on Raspberry Pi 2 Message-ID: <0524442A-ABF3-439D-99DE-A10C20FABE40@sylvaingarrigues.com> In-Reply-To: <CAFHCsPVnLFdC0uOgLfie8QQibi_1b9v9b4mWzz%2B7URuExGSaPA@mail.gmail.com> References: <FA4A06C6-0A9A-4697-8C2D-141E1416F252@sylvaingarrigues.com> <CAFHCsPVnLFdC0uOgLfie8QQibi_1b9v9b4mWzz%2B7URuExGSaPA@mail.gmail.com>
index | next in thread | previous in thread | raw e-mail
Take for instance the latest snapshot: http://ftp.freebsd.org/pub/FreeBSD/snapshots/arm/armv6/ISO-IMAGES/11.0/FreeBSD-11.0-CURRENT-arm-armv6-RPI2-20160408-r297692.img.xz All the pcm0 warnings display continuously when playing any sound. Should I file a bug? > Le 9 avr. 2016 à 11:06, Svatopluk Kraus <onwahe@gmail.com> a écrit : > > 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.snd.verbose=4: >> >> ... >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=120000, old=120000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=124000, old=124000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=0, old=0 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=4000, old=4000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=8000, old=8000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=12000, old=12000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=16000, old=16000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=16000, old=16000 delta=0 amt=0 ready=8192 free=119808 >> pcm0: WARNING: PCMDIR_PLAY DMA completion too fast/slow ! hwptr=20000, old=20000 delta=0 amt=0 ready=8192 free=119808 >> … >> >> The sound is frequently slightly distorted (like every 5s), and I am trying to figure out why. >> >> To reproduce: >> # sysctl dev.pcm.0.dest=1 >> # sysctl hw.snd.verbose=4 >> # mpg123 anympegfile >> >> I still get the warnings on the HDMI output (dev.pcm.0.dest=2) 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"help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?0524442A-ABF3-439D-99DE-A10C20FABE40>