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[Mélodie <meets@xxxxxx>]

Hello,

I installed Ubuntu Trusty on an old tower yesterday, which has an
integrated nvidia Geforce 7* so this is "nouveau" running on that
machine, and after a while, when clicking on some menu the mouse
suddenly freezes, and there is this strange look on the screen, looking
a lot like what Elfy describes.

This happened after the distro was installed and updated. I have been
able to install a few packages, but then it froze again. I could not use
the SysRQ, it didn't work.

This morning on my own tower, which now runs Xenial I hit the same issue : which never happened before! But my tower has the same kind of nvidia internal GPU, an old Geforce 7, and I can't use the nvidia driver because it's now unable to display the resolution properly. So I thought the fault must be the nouveau driver (or firmware? I can't know that).
I also tried to ssh my tower using my laptop, but the frozen machine was unreachable.

I don't know why I can't attach more than one file here (using Firefox
44.0.1 but never could before). So I paste down here the 80 last lines
of the most relevant syslog I could find, the one that has the timestamp
from just before it froze, there is a part related to nouveau in it:

*****************
Feb 11 10:33:40 bento64 ntpd[1696]: peers refreshed
Feb 11 10:33:40 bento64 ntpd[1696]: Listening on routing socket on fd #23 for interface updates
Feb 11 10:33:40 bento64 ntp[1684]: ...done.
Feb 11 10:33:46 bento64 systemd[1]: Stopping LSB: Start NTP daemon...
Feb 11 10:33:46 bento64 ntp[1721]: * Stopping NTP server ntpd
Feb 11 10:33:46 bento64 ntpd[1696]: ntpd exiting on signal 15
Feb 11 10:33:46 bento64 ntp[1721]: ...done.
Feb 11 10:33:46 bento64 systemd[1]: Stopped LSB: Start NTP daemon.
Feb 11 10:33:56 bento64 ntpdate[1734]: adjust time server 178.33.227.201 offset -0.289198 sec
Feb 11 10:33:56 bento64 systemd[1]: Starting LSB: Start NTP daemon...
Feb 11 10:33:56 bento64 ntp[1765]: * Starting NTP server ntpd
Feb 11 10:33:56 bento64 ntpd[1776]: ntpd 4.2.6p5@1.2349-o Mon Dec  7 13:51:58 UTC 2015 (1)
Feb 11 10:33:56 bento64 ntpd[1777]: proto: precision = 0.116 usec
Feb 11 10:33:56 bento64 systemd[1]: Started LSB: Start NTP daemon.
Feb 11 10:33:56 bento64 ntpd[1777]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16
Feb 11 10:33:56 bento64 ntpd[1777]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123
Feb 11 10:33:56 bento64 ntp[1765]: ...done.
Feb 11 10:33:56 bento64 ntpd[1777]: Listen and drop on 1 v6wildcard :: UDP 123
Feb 11 10:33:56 bento64 ntpd[1777]: Listen normally on 2 lo 127.0.0.1 UDP 123
Feb 11 10:33:56 bento64 ntpd[1777]: Listen normally on 3 eth0 192.168.1.5 UDP 123
Feb 11 10:33:56 bento64 ntpd[1777]: Listen normally on 4 virbr0 192.168.122.1 UDP 123
Feb 11 10:33:56 bento64 ntpd[1777]: Listen normally on 5 lo ::1 UDP 123
Feb 11 10:33:56 bento64 ntpd[1777]: Listen normally on 6 eth0 fe80::6e62:6dff:fef5:1334 UDP 123
Feb 11 10:33:56 bento64 ntpd[1777]: peers refreshed
Feb 11 10:33:56 bento64 ntpd[1777]: Listening on routing socket on fd #23 for interface updates
Feb 11 10:34:04 bento64 systemd[1]: Starting Stop ureadahead data collection...
Feb 11 10:34:04 bento64 systemd[1]: Stopped Read required files in advance.
Feb 11 10:34:04 bento64 systemd[1]: Started Stop ureadahead data collection.
Feb 11 10:37:14 bento64 systemd[1206]: Time has been changed
Feb 11 10:37:14 bento64 systemd[1]: Time has been changed
Feb 11 10:37:59 bento64 anacron[688]: Job `cron.daily' started
Feb 11 10:37:59 bento64 anacron[1790]: Updated timestamp for job `cron.daily' to 2016-02-11
Feb 11 10:46:24 bento64 org.gtk.vfs.Daemon[1220]: A connection to the bus can't be made
Feb 11 10:46:24 bento64 systemd[1]: Created slice User Slice of melodie.
Feb 11 10:46:24 bento64 systemd[1]: Starting User Manager for UID 1000...
Feb 11 10:46:24 bento64 systemd[1]: Started Session c2 of user melodie.
Feb 11 10:46:24 bento64 systemd[1835]: Reached target Sockets.
Feb 11 10:46:24 bento64 systemd[1835]: Reached target Timers.
Feb 11 10:46:24 bento64 systemd[1835]: Reached target Paths.
Feb 11 10:46:24 bento64 systemd[1835]: Reached target Basic System.
Feb 11 10:46:24 bento64 systemd[1835]: Reached target Default.
Feb 11 10:46:24 bento64 systemd[1835]: Startup finished in 104ms.
Feb 11 10:46:24 bento64 systemd[1]: Started User Manager for UID 1000.
Feb 11 10:46:25 bento64 systemd[1]: Stopping User Manager for UID 104...
Feb 11 10:46:25 bento64 systemd[1206]: Reached target Shutdown.
Feb 11 10:46:25 bento64 systemd[1206]: Starting Exit the Session...
Feb 11 10:46:25 bento64 systemd[1206]: Stopped target Default.
Feb 11 10:46:25 bento64 systemd[1206]: Stopped target Basic System.
Feb 11 10:46:25 bento64 systemd[1206]: Stopped target Paths.
Feb 11 10:46:25 bento64 systemd[1206]: Stopped target Timers.
Feb 11 10:46:25 bento64 systemd[1206]: Stopped target Sockets.
Feb 11 10:46:25 bento64 systemd[1206]: Received SIGRTMIN+24 from PID 1848 (kill).
Feb 11 10:46:25 bento64 systemd[1]: Stopped User Manager for UID 104.
Feb 11 10:46:25 bento64 systemd[1]: Removed slice User Slice of lightdm.
Feb 11 10:46:28 bento64 org.a11y.Bus[1925]: Activating service name='org.a11y.atspi.Registry'
Feb 11 10:46:28 bento64 org.a11y.Bus[1925]: Successfully activated service 'org.a11y.atspi.Registry'
Feb 11 10:46:28 bento64 org.a11y.atspi.Registry[1968]: SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry
Feb 11 10:46:31 bento64 dbus[690]: [system] Activating via systemd: service name='org.freedesktop.UDisks2' unit='udisks2.service'
Feb 11 10:46:31 bento64 systemd[1]: Starting Disk Manager...
Feb 11 10:46:32 bento64 udisksd[2024]: udisks daemon version 2.1.6 starting
Feb 11 10:46:32 bento64 dbus[690]: [system] Successfully activated service 'org.freedesktop.UDisks2'
Feb 11 10:46:32 bento64 systemd[1]: Started Disk Manager.
Feb 11 10:46:32 bento64 udisksd[2024]: Acquired the name org.freedesktop.UDisks2 on the system message bus
Feb 11 10:46:33 bento64 udisksd[2024]: Cleaning up mount point /media/melodie/Sauvegardes (device 8:17 is not mounted)
Feb 11 10:46:33 bento64 org.gtk.vfs.AfcVolumeMonitor[1925]: Volume monitor alive
Feb 11 10:46:35 bento64 pulseaudio[2013]: [pulseaudio] ltdl-bind-now.c: Impossible d'ouvrir le module module-x11-publish.so : module-x11-publish.so: Ne peut ouvrir le fichier d'objet partagé: Aucun fichier ou dossier de ce type
Feb 11 10:46:35 bento64 pulseaudio[2013]: [pulseaudio] module.c: Failed to open module "module-x11-publish".
Feb 11 10:46:42 bento64 systemd[1]: Started CUPS Scheduler.
Feb 11 10:46:42 bento64 colord[935]: (colord:935): Cd-WARNING **: failed to get session [pid 2082]: Aucun périphérique ou adresse
Feb 11 10:46:42 bento64 colord[935]: (colord:935): Cd-WARNING **: failed to get session [pid 2082]: Aucun périphérique ou adresse
Feb 11 10:46:59 bento64 kernel: [  855.422660] nouveau 0000:00:0d.0: bus: MMIO write of 01590001 FAULT at 00b010
Feb 11 10:46:59 bento64 kernel: [  855.425527] nouveau 0000:00:0d.0: bus: MMIO write of 01590001 FAULT at 00b010
Feb 11 10:47:00 bento64 org.gnome.evolution.dataserver.Sources5[1925]: (evolution-source-registry:2112): e-data-server-WARNING **: e_module_load_all_in_directory: Erreur à l'ouverture du répertoire « /usr/lib/evolution-data-server/credential-modules » : Aucun fichier ou dossier de ce type
Feb 11 10:47:45 bento64 kernel: [  901.465216] nouveau 0000:00:0d.0: bus: MMIO write of 015a0001 FAULT at 00b020
Feb 11 10:47:46 bento64 kernel: [  902.206300] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b020
Feb 11 10:48:18 bento64 systemd[1]: Starting Cleanup of Temporary Directories...
Feb 11 10:48:18 bento64 systemd-tmpfiles[2343]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Feb 11 10:48:18 bento64 systemd[1]: Started Cleanup of Temporary Directories.
Feb 11 10:48:45 bento64 kernel: [  961.460913] nouveau 0000:00:0d.0: bus: MMIO write of 017c0001 FAULT at 00b020
Feb 11 10:48:45 bento64 kernel: [  961.487377] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b020

*****************

Thanks for fixing and helping to fix it!!!

If you want more logs I can provide, just tell me which ones please?


** Attachment added: "screenshot of the screen"
   https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1267742/+attachment/4569213/+files/freeze1.jpg

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu.
https://bugs.launchpad.net/bugs/1267742

Title:
  Screen artifacts appear after restart and cold boot

Status in LightDM GTK+ Greeter:
  Fix Released
Status in xserver-xorg-video-nouveau package in Ubuntu:
  Confirmed

Bug description:
  When I cold boot the login screen background is garbled - see
  screenshot attached

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-1.16-generic 3.13.0-rc7
  Uname: Linux 3.13.0-1-generic x86_64
  ApportVersion: 2.12.7-0ubuntu6
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Fri Jan 10 08:21:28 2014
  InstallationDate: Installed on 2013-12-25 (15 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131225)
  SourcePackage: xserver-xorg-video-nouveau
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/1267742/+subscriptions