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[Bug 1381378] [NEW] nVidia GK106 [GeForce GTX 645 OEM][10de:11c4] No DP audio with open source driver


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CID: 201303-13031 Dell Alienware X51 R2

There is no audio output with Display port (audio for HDMI works fine)

A solution for this is to install the proprietary driver for this card
(i.e. nvidia-331)

I won't tag it with a blocker tag since it works with the proprietary

Alsa info:

ubuntu@201303-13031:~$ /usr/lib/nux/unity_support_test -c -p
OpenGL vendor string:   nouveau
OpenGL renderer string: Gallium 0.4 on NVE6
OpenGL version string:  3.0 Mesa 10.1.3

Not software rendered:    yes
Not blacklisted:          yes
GLX fbconfig:             yes
GLX texture from pixmap:  yes
GL npot or rect textures: yes

Compiz supported:         yes

Nouveau driver version:
xserver-xorg-video-nouveau                            1:1.0.10-1ubuntu2

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic
Uname: Linux 3.13.0-37-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
 /dev/snd/controlC2:  ubuntu     1500 F.... pulseaudio
 /dev/snd/controlC0:  ubuntu     1500 F.... pulseaudio
 /dev/snd/controlC1:  ubuntu     1500 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Oct 15 03:41:14 2014
HibernationDevice: RESUME=UUID=6180570b-fc77-4230-8d27-df4f4b3d10f4
InstallationDate: Installed on 2014-10-13 (1 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Alienware Alienware X51 R2
 0 nouveaufb
 1 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic.efi.signed root=UUID=08934195-682b-4b74-84b6-e80c7c86ae8b ro quiet splash vt.handoff=7
 linux-restricted-modules-3.13.0-37-generic N/A
 linux-backports-modules-3.13.0-37-generic  N/A
 linux-firmware                             1.127.5
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/18/2013
dmi.bios.vendor: Alienware
dmi.bios.version: A04
dmi.board.vendor: Alienware
dmi.chassis.type: 3
dmi.chassis.vendor: Alienware
dmi.chassis.version: 00
dmi.modalias: dmi:bvnAlienware:bvrA04:bd11/18/2013:svnAlienware:pnAlienwareX51R2:pvr00:rvnAlienware:rn:rvr:cvnAlienware:ct3:cvr00:
dmi.product.name: Alienware X51 R2
dmi.product.version: 00
dmi.sys.vendor: Alienware

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

** Tags: 201303-13031 amd64 apport-bug taipei-lab trusty
nVidia GK106 [GeForce GTX 645 OEM][10de:11c4] No DP audio with open source driver
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