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[ikeurb <theodore.urbanik@xxxxxxxxxx>]

Public bug reported:

I have dual Nvidia Quadro FX4800 PCIe cards installed. They both work
perfectly until I install the AudioScience ASI5640 PCIe audio card.

Once I install the AudioScience audio card, the second video card drops
offline, but the audio card works great.

If I run "lspci | grep VGA" at the command prompt, I see the second
video card on the PCI buss. But, when I run "nvidia-settings" the second
graphics card does not show up.

I blacklisted the Alsa "snd-asihpi" driver as well as the vendor
supplied "asihpi" AudioScience driver.

Added both of the following lines to /etc/modprobe.d/blacklist.conf
blacklist asihpi
blacklist snd-asihpi

Upon reboot, both video cards were working well. Then I manually loaded
the driver using "sudo modprobe snd-asihpi". Audio played after this as
well.

I then commented out the "snd-asihpi" driver from blacklist.conf and
rebooted so that the "snd-asihpi" driver would load upon reboot. Audio
played upon reboot but the second video card again stopped working
again.

Blacklisting both asihpi and snd-asihpi and manually loading the Alsa
driver using "sudo modprobe snd-asihpi" cures the problem.

** Affects: xserver-xorg-video-nv (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Second video card stops working when audio card is installed.
https://bugs.launchpad.net/bugs/598167
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