Public bug reported:
I had nouveau related problems in Ubuntu 16.04: quite often, the display
screen was replaced by an irregular black and white pattern and the
system no longer reacted to the mouse or the keyboard.
Since the Ubuntu 18.04 upgrade, the problem shows itself slightly
differently. The freeze is now mostly restricted to the graphical login
(only once since the upgrade about 3 weeks ago, starting an application
caused the problem). In case of the freeze of the graphical login, the
display can get the following state: no background; colored irregular
pattern, usually filling the complete display but sometimes only small
parts of it, configured background color with black bars. The system
still follows the mouse and responds to SysRq-keys but is otherwise not
responsive.
Like under Ubuntu 16.04, I see many "nouveau ... MMIO write ... FAULT"
in "syslog". Trying to unfreeze the display with SysRq-k leads to
"nouveau ... Xwayland ... failed to idle channel" messages (with varying
channel numbers).
The problem occurs non-deterministically. The probability of a freeze is
particularly high, when I login while there is still disk activity. When
a freeze happened, it was typically after the syslog entry "Started
Zeitgeist full-text search indexer."
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-video-nouveau 1:1.0.15-2
ProcVersionSignature: Ubuntu 4.15.0-37.40-generic 4.15.18
Uname: Linux 4.15.0-37-generic i686
.tmp.unity_support_test.0:
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: i386
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,move,resize,snap,place,grid,vpswitch,gnomecompat,mousepoll,imgpng,session,regex,animation,unitymtgrabhandles,workarounds,wall,fade,expo,ezoom,scale,unityshell]
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 22 09:20:02 2018
DistUpgraded: 2018-10-01 11:03:14,204 DEBUG Running PostInstallScript:
'./xorg_fix_proprietary.py'
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
NVIDIA Corporation C61 [GeForce 7025 / nForce 630a] [10de:03d6] (rev a2)
(prog-if 00 [VGA controller])
Subsystem: ASRock Incorporation C61 [GeForce 7025 / nForce 630a] [1849:03d6]
InstallationDate: Installed on 2013-01-21 (2099 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386
(20120817.3)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-37-generic
root=UUID=9c03cebc-9cba-47bc-9974-5c236a34906e ro
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: Upgraded to bionic on 2018-10-01 (20 days ago)
dmi.bios.date: 05/27/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.30
dmi.board.name: N68-S3 UCC
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd05/27/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnN68-S3UCC:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Mon Oct 1 07:31:24 2018
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input AT Translated Set 2 keyboard KEYBOARD, id 8
input ImPS/2 Logitech Wheel Mouse MOUSE, 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: 2:1.18.4-0ubuntu0.8
xserver.video_driver: nouveau
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug bionic i386 third-party-packages ubuntu
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https://bugs.launchpad.net/bugs/1799157
Title:
Non-deterministic graphical login freeze with nVidia graphics card
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