[Bug 1884726] Re: [TTM] Buffer eviction failed

Switched to nvidia proprietary driver and so far no more crashes in the
browser, need more time to fully test with the nvidia driver.

Definitely a nouveau driver bug with the kernel:
Linux svn 5.4.0-55-generic #61~18.04.1-Ubuntu SMP Wed Nov 11 14:12:46 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux


Attached is the crash_history.


** Attachment added: "crash history nouveau driver kernel 5.4.8-55 hwe (ubuntu lxde 18.04))"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884726/+attachment/5594367/+files/crash_history.txt

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

Title:
[TTM] Buffer eviction failed

Status in linux package in Ubuntu:
Expired

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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