GCC Update breaks CC checks with dkms and others because kernel compiled in old gcc version

Bug #1829598 reported by Bastian Jesuiter on 2019-05-18
This bug affects 2 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)

Bug Description

System: Xubuntu 18.04.02

due to an gcc update, several programs give errors.
This includes DKMS as the GCC version installed is newer than the version the kernel was compiled with.

This happens with the newest kernel from the stable channel

GCC versions in question:

Kernel GCC version 7.3.0-16ubuntu3

in my case installed 7.4.0-1ubuntu1~18.04

this may affect GPU Drivers (nvidia in my case) as they are not able to load properly - which results in a Forced resolution of 1024*768 at 78 hz

Kernel versions prior to 4.15.0-50-generic are affected more or less too, as they are compiled with older gcc versions too.

newer kernel version not available in stable channel

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-50-generic 4.15.0-50.54
ProcVersionSignature: Ubuntu 4.15.0-50.54-generic 4.15.18
Uname: Linux 4.15.0-50-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
 /dev/snd/controlC3: ebiko 2099 F.... pulseaudio
 /dev/snd/controlC2: ebiko 2099 F.... pulseaudio
 /dev/snd/controlC0: ebiko 2099 F.... pulseaudio
CurrentDesktop: XFCE
Date: Sat May 18 08:53:28 2019
InstallationDate: Installed on 2018-04-28 (384 days ago)
InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-50-generic root=UUID=587302e0-65e3-4866-b20a-666e71964992 ro quiet splash vt.handoff=1
 linux-restricted-modules-4.15.0-50-generic N/A
 linux-backports-modules-4.15.0-50-generic N/A
 linux-firmware 1.173.6

SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/29/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3504
dmi.board.asset.tag: Default string
dmi.board.name: MAXIMUS VIII GENE
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3504:bd06/29/2017:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnMAXIMUSVIIIGENE:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
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