Public bug reported:
Installation of linux-image-7.0.0-28-generic fails on my host because of
a build failure of the virtualbox-dkms module. Here's the dkms command
that shows the problem:
```
# dkms build -k 7.0.0-28-generic virtualbox/7.0.16
Sign command: /bin/kmodsign
Signing key: /var/lib/shim-signed/mok/MOK.priv
Public certificate (MOK): /var/lib/shim-signed/mok/MOK.der
Building module:
Cleaning build area...
make -j4 KERNELRELEASE=7.0.0-28-generic -C /lib/modules/7.0.0-28-generic/build
M=/var/lib/dkms/virtualbox/7.0.16/build.....(bad exit status: 2)
ERROR: Cannot create report: [Errno 17] File exists:
'/var/crash/virtualbox-dkms.0.crash'
Error! Bad return status for module build on kernel: 7.0.0-28-generic (x86_64)
Consult /var/lib/dkms/virtualbox/7.0.16/build/make.log for more information.
```
And here is /var/lib/dkms/virtualbox/7.0.16/build/make.log:
```
KMS make.log for virtualbox-7.0.16 for kernel 7.0.0-28-generic (x86_64)
Sun Jul 19 07:50:35 AM EDT 2026
make: Entering directory '/usr/src/linux-headers-7.0.0-28-generic'
make[1]: Entering directory '/var/lib/dkms/virtualbox/7.0.16/build'
warning: the compiler differs from the one used to build the kernel
DKMS make.log for virtualbox-7.0.16 for kernel 7.0.0-28-generic (x86_64)
Sun Jul 19 07:50:35 AM EDT 2026
make: Entering directory '/usr/src/linux-headers-7.0.0-28-generic'
make[1]: Entering directory '/var/lib/dkms/virtualbox/7.0.16/build'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc-13 (Ubuntu
13.3.0-6ubuntu2~24.04.1) 13.3.0
You are using: gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04.1) 13.3.0
warning: pahole version differs from the one used to build the kernel
The kernel was built with: 125
You are using: 0
CC [M] vboxdrv/linux/SUPDrv-linux.o
CC [M] vboxdrv/SUPDrv.o
CC [M] vboxdrv/SUPDrvGip.o
CC [M] vboxdrv/SUPDrvSem.o
CC [M] vboxdrv/SUPDrvTracer.o
CC [M] vboxdrv/SUPLibAll.o
CC [M] vboxdrv/common/string/strformatrt.o
CC [M] vboxdrv/combined-agnostic1.o
CC [M] vboxdrv/combined-agnostic2.o
CC [M] vboxdrv/combined-os-specific.o
LD [M] vboxdrv/vboxdrv.o
CC [M] vboxnetflt/linux/VBoxNetFlt-linux.o
CC [M] vboxnetflt/VBoxNetFlt.o
CC [M] vboxnetflt/SUPR0IdcClient.o
CC [M] vboxnetflt/SUPR0IdcClientComponent.o
CC [M] vboxnetflt/linux/SUPR0IdcClient-linux.o
LD [M] vboxnetflt/vboxnetflt.o
CC [M] vboxnetadp/linux/VBoxNetAdp-linux.o
CC [M] vboxnetadp/VBoxNetAdp.o
LD [M] vboxnetadp/vboxnetadp.o
MODPOST Module.symvers
ERROR: modpost: module vboxdrv uses symbol kvm_enable_virtualization from
namespace module:kvm-amd,kvm-intel, but does not import it.
ERROR: modpost: module vboxdrv uses symbol kvm_disable_virtualization from
namespace module:kvm-amd,kvm-intel, but does not import it.
ERROR: modpost: module vboxdrv uses symbol cr4_update_irqsoff from namespace
module:kvm,kvm-amd,kvm-intel, but does not import it.
ERROR: modpost: module vboxdrv uses symbol cr4_read_shadow from namespace
module:kvm,kvm-amd,kvm-intel, but does not import it.
make[3]: ***
[/usr/src/linux-headers-7.0.0-28-generic/scripts/Makefile.modpost:147:
Module.symvers] Error 1
```
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: virtualbox-dkms 7.0.16-dfsg-2ubuntu1.3
ProcVersionSignature: Ubuntu 6.17.0-35.35~24.04.1-generic 6.17.13
Uname: Linux 6.17.0-35-generic x86_64
ApportVersion: 2.28.2-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Jul 19 07:21:28 2026
InstallationDate: Installed on 2025-06-19 (395 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/usr/bin/fish
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: virtualbox
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: virtualbox (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2161238
Title:
virtualbox-dkms FTBFS with linux-image-7.0.0-28-generic
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