apport information

** Attachment added: "Lspci-vt.txt"
   
https://bugs.launchpad.net/bugs/1884726/+attachment/5386387/+files/Lspci-vt.txt

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https://bugs.launchpad.net/bugs/1884726

Title:
  [TTM] Buffer eviction failed

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Under some usage conditions on Ubuntu 20.04 I get an almost complete system 
freeze and after some minutes I get this issuing a dmesg command: "[TTM] Buffer 
eviction failed".
  I can always reproduce the problem using Streetview function inside 
maps.google.com using Firefox (77.0.1).
  My kernel version is 5.4.0-38 and my graphic card is an old Nvidia

  01:00.0 VGA compatible controller: NVIDIA Corporation G86M [GeForce
  8400M GS] (rev a1

  When I switch to closed source Nvidia proprietary driver (ver. 340.108) I 
have no issues.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  michele    1586 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 20.04
  HibernationDevice: RESUME=UUID=4e56d43d-0da0-4af9-a55c-035f04c115bf
  InstallationDate: Installed on 2017-11-13 (952 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  MachineType: Acer Aspire 5720
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 nouveaudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-38-generic 
root=UUID=28547816-80be-43c8-a86e-d655d7d8ad5e ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 5.4.0-38.42-generic 5.4.44
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-38-generic N/A
   linux-backports-modules-5.4.0-38-generic  N/A
   linux-firmware                            1.187.1
  StagingDrivers: ashmem_linux
  Tags:  focal staging
  Uname: Linux 5.4.0-38-generic x86_64
  UpgradeStatus: Upgraded to focal on 2020-04-24 (60 days ago)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo tty uucp
  _MarkForUpload: True
  dmi.bios.date: 11/10/2008
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.45
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Nettiling
  dmi.board.vendor: Acer
  dmi.board.version: V1.45
  dmi.chassis.type: 1
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.45
  dmi.modalias: 
dmi:bvnAcer:bvrV1.45:bd11/10/2008:svnAcer:pnAspire5720:pvrV1.45:rvnAcer:rnNettiling:rvrV1.45:cvnAcer:ct1:cvrV1.45:
  dmi.product.family: None
  dmi.product.name: Aspire 5720
  dmi.product.sku: None
  dmi.product.version: V1.45
  dmi.sys.vendor: Acer
  modified.conffile..etc.default.apport: [modified]
  mtime.conffile..etc.default.apport: 2019-08-08T12:13:15.951541

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