Public bug reported:
Seems this is common enough to have a few requests on Ask Ubuntu:
http://askubuntu.com/search?q=16.04+freeze
I would update my kernel, as suggested, however there are not clear
instructions and I have had issues doing kernel upgrades in the past.
The freezes are not Chrome only, as they also occur when Chrome is not
running, though, from memory, Steam uses some of the same things as
Chrome. Once the freeze happens a hard reset (holding down the power
button) and restarting is the only solution (I can't even open a CLI
instance).
Thanks for your time, hope there is a fix soon. Best regards,
Taz
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-21-generic 4.4.0-21.37 [modified:
boot/vmlinuz-4.4.0-21-generic]
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tamsyn 1886 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri May 6 16:45:25 2016
HibernationDevice: RESUME=UUID=318736d3-a7a7-4b0e-8e64-6cce65e801ad
InstallationDate: Installed on 2016-04-22 (13 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Acer Aspire E5-511
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic.efi.signed
root=UUID=35b282c1-4348-4d7a-90db-fef77f539874 ro noprompt persistent quiet
splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-21-generic N/A
linux-backports-modules-4.4.0-21-generic N/A
linux-firmware 1.157
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/16/2014
dmi.bios.vendor: Acer
dmi.bios.version: V1.03
dmi.board.name: Aspire E5-511
dmi.board.vendor: Acer
dmi.board.version: V1.03
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAcer:bvrV1.03:bd05/16/2014:svnAcer:pnAspireE5-511:pvrV1.03:rvnAcer:rnAspireE5-511:rvrV1.03:cvnAcer:ct10:cvrChassisVersion:
dmi.product.name: Aspire E5-511
dmi.product.version: V1.03
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1578944
Title:
regular system freeze - 16.04
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