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[Steven Usdansky <usdanskys@xxxxxxxxxxxxxx>]

apport information

** Attachment added: "xserver.devices.txt"
   https://bugs.launchpad.net/bugs/1462147/+attachment/4410376/+files/xserver.devices.txt

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https://bugs.launchpad.net/bugs/1462147

Title:
  Random text characters partially or completely missing

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu-Mate 15.10 development version updated as of 4-Jun 2300 UTC .
  Video driver is nouveau

  Problem began upon upgrading of

     xserver-xorg-core_1.17.1-0ubuntu3_amd64 and 
     xserver-xorg-common_1.17.1-0ubuntu3_amd64xorg
  to 
     xserver-xorg-core_1.17.1-0ubuntu4_amd64 and 
     xserver-xorg-common_1.17.1-0ubuntu4_amd64xorg

  and was resolved by reverting to the pre-upgrade packages. Apparently random text characters, or parts thereof, would be missing in various applications including the Lightdm greeter, Firefox, Pidgin, Mate-terminal, the Mate panel clock, Unetbootin, and the Mate menu. This occurs both at my monitor's native resolution (1680x1050) and at 1600x1200. 
  Other possibly useful info:
   
  libdrm-nouveau2:amd64         2.4.60-3                                amd64
  xserver-xorg-video-nouveau  1:1.0.11-1ubuntu2build1    amd64

  
  ~$ sudo inxi -F
  System:    Host: Pyrope Kernel: 3.19.0-20-generic x86_64 (64 bit) Desktop: MATE 1.8.2  Distro: Ubuntu 15.10 wily
  Machine:   System: HP-Pavilion product: FQ578AAR-ABA s3707c serial: MXW9050KY9
             Mobo: PEGATRON model: NutMeg v: 1.02 serial: MS1C91R52904711
             Bios: American Megatrends v: 5.12 date: 02/17/2009
  CPU:       Dual core AMD Athlon 64 X2 5400+ (-MCP-) cache: 1024 KB 
             clock speeds: max: 2800 MHz 1: 1000 MHz 2: 1000 MHz
  Graphics:  Card: NVIDIA C78 [GeForce 9100]
             Display Server: X.org 1.17.1 driver: nouveau tty size: 234x65 Advanced Data: N/A for root
  Audio:     Card NVIDIA MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio driver: snd_hda_intel
             Sound: Advanced Linux Sound Architecture v: k3.19.0-20-generic
  Network:   Card-1: NVIDIA MCP77 Ethernet driver: forcedeth
             IF: eth0 state: down mac: 00:24:8c:13:79:5b
             Card-2: NetGear WNA1100 Wireless-N 150 [Atheros AR9271] driver: ath9k_htc
             IF: wlan0 state: N/A mac: N/A
  Drives:    HDD Total Size: 500.1GB (41.7% used) ID-1: /dev/sda model: ST3500413AS size: 500.1GB
  Partition: ID-1: / size: 19G used: 3.6G (21%) fs: ext4 dev: /dev/sda10
  RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
  Sensors:   None detected - is lm-sensors installed and configured?
  Info:      Processes: 180 Uptime: 1:00 Memory: 816.8/3700.3MB Client: Shell (sudo) inxi: 2.2.16

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8
  Uname: Linux 3.19.0-20-generic x86_64
  ApportVersion: 2.17.3-0ubuntu3
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Thu Jun  4 18:07:43 2015
  InstallationDate: Installed on 2015-05-28 (7 days ago)
  InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Alpha amd64 (20150528)
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.17.3-0ubuntu3
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: MATE
  DistUpgraded: Fresh install
  DistroCodename: wily
  DistroRelease: Ubuntu 15.10
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   NVIDIA Corporation C78 [GeForce 9100] [10de:0847] (rev a2) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:2a7a]
  InstallationDate: Installed on 2015-05-28 (7 days ago)
  InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Alpha amd64 (20150528)
  MachineType: HP-Pavilion FQ578AAR-ABA s3707c
  Package: xorg 1:7.7+7ubuntu4
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-20-generic root=UUID=ac1ad1b8-dff8-45ff-a286-c2337374ccb2 ro persistent
  ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8
  Tags:  wily ubuntu single-occurrence reproducible
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 3.19.0-20-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 02/17/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 5.12
  dmi.board.name: NutMeg
  dmi.board.vendor: PEGATRON CORPORATION
  dmi.board.version: 1.02
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd02/17/2009:svnHP-Pavilion:pnFQ578AAR-ABAs3707c:pvr:rvnPEGATRONCORPORATION:rnNutMeg:rvr1.02:cvnHewlett-Packard:ct3:cvrChassisVersion:
  dmi.product.name: FQ578AAR-ABA s3707c
  dmi.sys.vendor: HP-Pavilion
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-3
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.2-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Fri Jun  5 05:54:00 2015
  xserver.configfile: None
  xserver.errors:
   Failed to load /usr/lib/xorg/modules/drivers/nouveau_drv.so: /usr/lib/xorg/modules/drivers/nouveau_drv.so: undefined symbol: xorgMir
   Failed to load module "nouveau" (loader failed, 7)
   Failed to load module "nvidia" (module does not exist, 0)
   Failed to load /usr/lib/xorg/modules/drivers/nouveau_drv.so: /usr/lib/xorg/modules/drivers/nouveau_drv.so: undefined symbol: xorgMir
   Failed to load module "nouveau" (loader failed, 7)
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs: Output                                   DVI-0           VGA-0
  xserver.version: 2:1.17.1-0ubuntu4
  xserver.video_driver: modeset

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