Public bug reported:
When I set my laptop to sleeping mode,I randomly get frozen screen with
random colored lines.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-39-generic 4.15.0-39.42
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: capku 1191 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Thu Nov 29 15:26:54 2018
InstallationDate: Installed on 2018-09-05 (84 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 174f:2414 Syntek
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 80WK
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-39-generic
root=UUID=8839b8d4-5994-465f-882f-895f808d322f ro quiet splash acpi=force
vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-39-generic N/A
linux-backports-modules-4.15.0-39-generic N/A
linux-firmware 1.173.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/18/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: 4KCN44WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Y520-15IKBN
dmi.modalias:
dmi:bvnLENOVO:bvr4KCN44WW:bd07/18/2018:svnLENOVO:pn80WK:pvrLenovoY520-15IKBN:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoY520-15IKBN:
dmi.product.family: Y520-15IKBN
dmi.product.name: 80WK
dmi.product.version: Lenovo Y520-15IKBN
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1805831
Title:
problem in sleeping mode
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