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%2B%2BLOZg482Q@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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