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Date:      Mon, 18 Apr 2011 19:23:25 +0000
From:      Gautham Ganapathy <gautham@lisphacker.org>
To:        questions@freebsd.org
Subject:   Re: ZFS on USB / Sound on alienware m11x
Message-ID:  <BANLkTi=FxgD=-jCG7gv6Jp0n++LOZg482Q@mail.gmail.com>
In-Reply-To: <BANLkTimJqD1MNVFSK39Bx8L=sNC6Yn6uCw@mail.gmail.com>
References:  <BANLkTimJqD1MNVFSK39Bx8L=sNC6Yn6uCw@mail.gmail.com>

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On Mon, Apr 18, 2011 at 4:58 PM, Gautham Ganapathy
<gautham@lisphacker.org> wrote:
> Hi
>
> I am trying out FreeBSD on ZFS using the PC-BSD 8.2 installer. I have
> it installed on a Western Digital USB HDD connected to an Alienware
> m11x laptop. It seems to work well except that once in a while, any
> application performing a write freezes for a few seconds (around 15 or
> so) and looking at top shows their states to be in zio. Is this
> because it was installed on a USB drive?
>
> I am trying to get sound working on the laptop. After starting snd_hda
> at boot, two devices are found and dmesg shows the following
>
> hdac0: <NVidia (Unknown) High Definition Audio Controller> mem
> 0xf1000000-0xf1003fff irq 17 at device 0.1 on pci1
> hdac0: HDA Driver Revision: 20100226_0142
> hdac0: [ITHREAD]
>
> hdac1: <Intel 82801I High Definition Audio Controller> mem
> 0xf1600000-0xf1603fff irq 22 at device 27.0 on pci0
> hdac1: HDA Driver Revision: 20100226_0142
> hdac1: [ITHREAD]
>
> hdac0: HDA Codec #0: NVidia (Unknown)
> hdac0: HDA Codec #1: NVidia (Unknown)
> hdac0: HDA Codec #2: NVidia (Unknown)
> hdac0: HDA Codec #3: NVidia (Unknown)
>
> pcm0: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 0 nid 1 on hdac0
> pcm1: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 1 nid 1 on hdac0
> pcm2: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 2 nid 1 on hdac0
> pcm3: <HDA NVidia (Unknown) PCM #0 DisplayPort> at cad 3 nid 1 on hdac0
>
> hdac1: HDA Codec #0: Realtek ALC665
> pcm4: <HDA Realtek ALC665 PCM #0 Analog> at cad 0 nid 1 on hdac1
> pcm5: <HDA Realtek ALC665 PCM #1 Analog> at cad 0 nid 1 on hdac1
>
> I think the NVIDIA device is for the HDMI output, while the Realtek
> codec is for the normal audio.
>
> Under /dev, I can see six devices dsp0.0,dsp1.1,dsp2.1,dsp3.1,dsp4.0
> and dsp5.1. I tried playing an mp3 file using mpg123 and gave each of
> these devices using the -a option, but none of them worked. The output
> tab under the GNOME sound preferences shows the devices dsp0, dsp1,
> dsp2, dsp3, dsp4 and dsp5. None of them seem to work either.
>
> Any ideas on how to get the wound working?
>
> Gautham
>

Update: This is strange. Apparently, sound works under VLC (default
settings) , but not on Totem, flash or mpg123.

Gautham



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