Public bug reported:

I've been testing the Ubuntu GNOME Vivid daily images in anticipation of
Alpha 2 and I noticed that with this specific hardware I get no graphics
at all other than a blank screen (see attached photo):

AMD Sempron Processor LE-1250 @ 2.2 GHz
nVidia C61 [GeForce 7025 / nForce 630a] (rev a2)
nVidia MCP61 High Definition Audio (rev a2)
nVidia MCP61 Ethernet (rev a2)
2GB DDR2 RAM

In fact I never even get as far as the screen offering to Try or
Install, but I can enter the Advanced Boot Options screen and select
either Try or Install from there, but with both options I still get the
same blank screen.

Further testing reveals the same results with Ubuntu and Ubuntu GNOME
but I found that both the Xubuntu and Lubuntu images will boot properly
on this box so I installed Lubuntu and then installed the ubuntu-
desktop, ubuntu-gnome-desktop, and gnome-session-flashback meta-packages
just to try some things.

After doing so I found that the Unity, GNOME Shell, Gnome Classic, and
Flashback w/Compiz sessions produce broken graphics just as the Ubuntu
GNOME and Ubuntu live images do. So basically Compiz and Mutter both
fail to display any usable UI. OTOH both the Lubuntu and Flashback
w/Metacity sessions work just fine.

I next opened the Additional drivers UI and chose nvidia-304.125
(current) and all DE's perform quite well with the proprietary drivers
so I deduced that nouveau might be the culprit.

The last known working Ubuntu and Ubuntu GNOME live images are 14.04.1.
I hadn't tried Utopic on this box yet but it's also a fail. I'll try the
proposed 14.04.2 images ASAP (probably after Vivid Alpha 2 is released).

But I see no point in trying to fix this for Utopic (or even 14.04.2 if
it's effected) because of the 9 month life-cycle for Utopic and the
continued availability of the 14.04.1 images. In fact I'd be cool with
this not being fixed until 16.04 as long as it's documented so people
know what versions will and will not work.

I'm probably forgetting something but that's all I can think of ATM.
Sorry in advance if I did this totally wrong.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
ProcVersionSignature: Ubuntu 3.18.0-9.10-generic 3.18.2
Uname: Linux 3.18.0-9-generic i686
.tmp.unity.support.test.0:
 
ApportVersion: 2.15.1-0ubuntu2
Architecture: i386
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: GNOME-Flashback:Unity
Date: Mon Jan 19 17:41:32 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 NVIDIA Corporation C61 [GeForce 7025 / nForce 630a] [10de:03d6] (rev a2) 
(prog-if 00 [VGA controller])
   Subsystem: Biostar Microtech Int'l Corp Device [1565:1405]
InstallationDate: Installed on 2015-01-19 (0 days ago)
InstallationMedia: Lubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150118)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 002: ID 046d:c52e Logitech, Inc. 
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: BIOSTAR Group N68SB-M2S
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.18.0-9-generic 
root=UUID=acf0fd65-0d6d-4da6-9532-2adc558bc0a7 ro quiet splash 
init=/lib/systemd/systemd
SourcePackage: xserver-xorg-video-nouveau
UdevLog:
 
UpgradeStatus: No upgrade log present (probably fresh install)
XorgLogOld:
 
dmi.bios.date: 06/24/2010
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: N68SB-M2S
dmi.board.vendor: BIOSTAR Group
dmi.chassis.type: 3
dmi.chassis.vendor: BIOSTAR Group
dmi.chassis.version: N68SB-M2S
dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd06/24/2010:svnBIOSTARGroup:pnN68SB-M2S:pvr:rvnBIOSTARGroup:rnN68SB-M2S:rvr:cvnBIOSTARGroup:ct3:cvrN68SB-M2S:
dmi.product.name: N68SB-M2S
dmi.sys.vendor: BIOSTAR Group
version.compiz: compiz 1:0.9.12.0+15.04.20141219-0ubuntu1
version.libdrm2: libdrm2 2.4.58-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.16.2.901-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917-1~exp1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
xserver.bootTime: Mon Jan 19 17:37:11 2015
xserver.configfile: default
xserver.devices:
 input        Power Button         KEYBOARD, id 6
 input        Power Button         KEYBOARD, id 7
 input        Logitech USB Receiver KEYBOARD, id 8
 input        Logitech USB Receiver KEYBOARD, id 9
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.16.2.901-1ubuntu3
xserver.video_driver: nouveau

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


** Tags: apport-bug i386 ubuntu vivid

** Attachment added: "IMG_4796.JPG"
   
https://bugs.launchpad.net/bugs/1412602/+attachment/4301970/+files/IMG_4796.JPG

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-nouveau in Ubuntu.
https://bugs.launchpad.net/bugs/1412602

Title:
  No live DE in Vivid using nouveau w/GeForce 7025/nForce 630a

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