Lost audio after new Video card installation

Andreas Rudisch cyb. at gmx.net
Tue Mar 2 08:05:09 UTC 2010

On Mon, 1 Mar 2010 19:42:19 -0500
Carmel <carmel_ny at hotmail.com> wrote:

> I installed a nVidia GeForce GT 220 card.
> Now, the video is fine; however, there is no audio.

> hdac0: <NVidia (Unknown) High Definition Audio Controller> mem 0xfcffc000-0xfcffffff irq 16 at device 0.1 on pci3

I ran into the same problem after installing a GT 240. The video cards
support audio via HDMI. During boot the audio chip of the video card is
found first (also snd_hda) and used as primary audio device.

After kldunload / kldload snd_hda everything would work properly.

As a workaround I do not load the snd_hda kernel module at boot, but
with a cronjob @reboot. This way the normal sound card is found first.

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