Crash/black screen when suspend

[Martin Lowinski]

Suspend does not fully work: The screen goes to black and then crashes. Ctrl+Alt+Del does not work, neither switching to any other tty.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-44-generic 4.15.0-44.47
ProcVersionSignature: Ubuntu 4.15.0-44.47-generic 4.15.18
Uname: Linux 4.15.0-44-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: cobolt 2522 F.... pulseaudio
CurrentDesktop: GNOME
Date: Thu Jan 31 11:23:51 2019
HibernationDevice: RESUME=/dev/mapper/wisepad--vg-swap_1
MachineType: LENOVO 20HES0FX00
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-44-generic root=/dev/mapper/hostname--vg-root ro quiet splash vt.handoff=1
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-44-generic N/A
 linux-backports-modules-4.15.0-44-generic N/A
 linux-firmware 1.173.3
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-06-15 (229 days ago)
dmi.bios.date: 07/04/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N1QET77W (1.52 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HES0FX00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrN1QET77W(1.52):bd07/04/2018:svnLENOVO:pn20HES0FX00:pvrThinkPadT470:rvnLENOVO:rn20HES0FX00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T470
dmi.product.name: 20HES0FX00
dmi.product.version: ThinkPad T470
dmi.sys.vendor: LENOVO

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.

[Terry Rudd (terrykrudd)]

Does the 4.15.0-45 kernel resolve this issues?

[Jarno Suni (jarnos)]

How do you know it crashes?