Date: Tue, 2 Mar 2010 07:24:56 -0800 From: Norbert Papke <npapke@acm.org> To: freebsd-questions@freebsd.org Subject: Re: Lost audio after new Video card installation Message-ID: <201003020724.56200.npapke@acm.org> In-Reply-To: <BLU0-SMTP44197B4BC992D26CCFAEDD933B0@phx.gbl> References: <BLU0-SMTP44197B4BC992D26CCFAEDD933B0@phx.gbl>
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On March 1, 2010, Carmel wrote:
> I was attempting to upgrade a Gateway GT5220 PC. The machine was
> running FreeBSD-7.2 successfully. The sound system was functioning
> correctly and gMplayer and Mplayer worked fine. The machine was using a
> nVidia GeForce 6150 LE on-board card. I installed a nVidia GeForce GT
> 220 card. The old on-board card did not support DVI.
>
> Now, the video is fine; however, there is no audio. Mplayer and
> gMplayer both freeze when attempting to play or view anything.
>
> I have no idea how to debug this. Since I did not touch the audio, I
> cannot figure it out.
>
> I did have a script that ran upon boot-up:
>
> /sbin/sysctl hw.snd.pcm0.vchans=4
> /sbin/sysctl dev.pcm.0.play.vchans=4
> /sbin/sysctl dev.pcm.0.rec.vchans=4
> /sbin/sysctl hw.snd.maxautovchans=16
> mixer vol 100:100 pcm 100:100 speaker 100:100 line 100:100 mic 0:0 cd
> 100:100 =rec mic
>
> Previously, it ran without incident. Now, it produces this output:
>
> sysctl: unknown oid 'hw.snd.pcm0.vchans'
> dev.pcm.0.play.vchans: 4 -> 4
> sysctl: dev.pcm.0.rec.vchans: Operation not supported by device
> hw.snd.maxautovchans: 16 -> 16
> mixer: unknown device: vol
> usage: mixer [-f device] [-s | -S] [dev [+|-][voll[:[+|-]volr]] ...
> mixer [-f device] [-s | -S] recsrc ...
> mixer [-f device] [-s | -S] {^|+|-|=}rec rdev ...
>
> This is from 'dmesg'
>
> dmesg -a|grep -i -A8 -B2 220
> pci3: <ACPI PCI bus> on pcib3
> vgapci0: <VGA-compatible display> port 0xbc00-0xbc7f mem
> 0xfb000000-0xfbffffff,0xd0000000-0xdfffffff,0xee000000-0xefffffff irq 16
> at device 0.0 on pci3 nvidia0: <GeForce GT 220> on vgapci0
> vgapci0: child nvidia0 requested pci_enable_busmaster
> vgapci0: child nvidia0 requested pci_enable_io
> vgapci0: child nvidia0 requested pci_enable_io
> nvidia0: [GIANT-LOCKED]
> nvidia0: [ITHREAD]
> hdac0: <NVidia (Unknown) High Definition Audio Controller> mem
> 0xfcffc000-0xfcffffff irq 16 at device 0.1 on pci3 hdac0: HDA Driver
> Revision: 20090624_0136
> hdac0: [ITHREAD]
>
> I would really appreciate any assistance I could get. I really would
> like the audio to work on this machine again.
Try setting the folllowing sysctl knob:
hw.snd.default_unit=1
You will also have to change the "dev.pcm.0" to "dev.pcm.1" in your script.
If "1" doesn't work, try "2".
-- Norbert Papke.
npapke@acm.org
http://saveournet.ca
Protecting your Internet's level playing field
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