Public bug reported:
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)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug corruption wily
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https://bugs.launchpad.net/bugs/1462147
Title:
Random text characters partially or completely missing
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