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
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Second video card stops working when audio card is installed.
https://bugs.launchpad.net/bugs/598167
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which is subscribed to xserver-xorg-video-nv in ubuntu.
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