*** This bug is a duplicate of bug 1901904 *** https://bugs.launchpad.net/bugs/1901904
About: > Still the same issue with virtualbox 6.1.10-dfsg-1~ubuntu1.20.04.1 on kernel 5.8.0.36.40~20.04.21 That is because the support for kernel 5.8 line was added in VirtualBox 6.1.14. I'm not sure why would anyone expect th As the version in official Ubuntu repos is now 6.1.16-dfsg-6~ubuntu1.20.04.1 I've reverted to using official Ubuntu repos, and everything works all right. I think this bug can be basically marked as resolved. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to dkms in Ubuntu. https://bugs.launchpad.net/bugs/1904590 Title: Virtualbox does not work on 20.04-edge kernel due to DKMS build failure Status in dkms package in Ubuntu: Confirmed Status in virtualbox package in Ubuntu: Confirmed Bug description: Building DKMS kernel modules for Virtualbox for kernel 5.8 (Ubuntu kernel linux-image-generic-hwe-20.04-edge) fails and subsequently Virtualbox does not work. Ubuntu release: ~$ lsb_release -rd Description: Ubuntu 20.04.1 LTS Release: 20.04 Relevant Virtualbox packages/versions: virtualbox 6.1.10-dfsg-1~ubuntu1.20.04.1 virtualbox-dkms 6.1.10-dfsg-1~ubuntu1.20.04.1 virtualbox-guest-additions-iso 6.1.10-1~ubuntu1.20.04.1 virtualbox-qt 6.1.10-dfsg-1~ubuntu1.20.04.1 Kernel packages: ~$ dpkg-query -f '${Package} ${Status}\n' -W "linux-image*" | awk '$NF == "installed"{print $1}' linux-image-5.4.0-54-generic linux-image-5.8.0-28-generic linux-image-5.8.0-29-generic linux-image-generic linux-image-generic-hwe-20.04-edge Kernel: ~$ uname -r 5.8.0-29-generic I get an error when building DKMS for Virtualbox for kernel 5.8: ~$ sudo /usr/lib/dkms/dkms_autoinstaller start 5.8.0-29-generic * dkms: running auto installation service for kernel 5.8.0-29-generic Kernel preparation unnecessary for this kernel. Skipping... Building module: cleaning build area... make -j8 KERNELRELEASE=5.8.0-29-generic -C /lib/modules/5.8.0-29-generic/build M=/var/lib/dkms/virtualbox/6.1.10/build...(bad exit status: 2) Error! Bad return status for module build on kernel: 5.8.0-29-generic (x86_64) Consult /var/lib/dkms/virtualbox/6.1.10/build/make.log for more information. Build log file: ~$ cat /var/lib/dkms/virtualbox/6.1.10/build/make.log DKMS make.log for virtualbox-6.1.10 for kernel 5.8.0-29-generic (x86_64) di 17 nov 2020 16:30:39 CET make: Entering directory '/usr/src/linux-headers-5.8.0-29-generic' CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPDrv.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPDrvGip.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPDrvSem.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPDrvTracer.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPLibAll.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/r0drv/alloc-r0drv.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/r0drv/initterm-r0drv.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/r0drv/memobj-r0drv.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/r0drv/mpnotification-r0drv.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/r0drv/powernotification-r0drv.o CC [M] /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/r0drv/linux/assert-r0drv-linux.o In file included from ./include/asm-generic/percpu.h:7, from ./arch/x86/include/asm/percpu.h:556, from ./arch/x86/include/asm/preempt.h:6, from ./include/linux/preempt.h:78, from ./include/linux/spinlock.h:51, from /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/../SUPDrvInternal.h:79, from /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.c:32: /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.c: In function ‘supdrvOSChangeCR4’: /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.c:760:38: error: ‘cpu_tlbstate’ undeclared (first use in this function); did you mean ‘cpuhp_state’? 760 | RTCCUINTREG uOld = this_cpu_read(cpu_tlbstate.cr4); | ^~~~~~~~~~~~ ./include/linux/percpu-defs.h:318:9: note: in definition of macro ‘__pcpu_size_call_return’ 318 | typeof(variable) pscr_ret__; \ | ^~~~~~~~ /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.c:760:24: note: in expansion of macro ‘this_cpu_read’ 760 | RTCCUINTREG uOld = this_cpu_read(cpu_tlbstate.cr4); | ^~~~~~~~~~~~~ /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.c:760:38: note: each undeclared identifier is reported only once for each function it appears in 760 | RTCCUINTREG uOld = this_cpu_read(cpu_tlbstate.cr4); | ^~~~~~~~~~~~ ./include/linux/percpu-defs.h:318:9: note: in definition of macro ‘__pcpu_size_call_return’ 318 | typeof(variable) pscr_ret__; \ | ^~~~~~~~ /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.c:760:24: note: in expansion of macro ‘this_cpu_read’ 760 | RTCCUINTREG uOld = this_cpu_read(cpu_tlbstate.cr4); | ^~~~~~~~~~~~~ make[2]: *** [scripts/Makefile.build:290: /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/linux/SUPDrv-linux.o] Error 1 make[2]: *** Waiting for unfinished jobs.... /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPDrvTracer.o: warning: objtool: .text+0x7: indirect jump found in RETPOLINE build /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv/SUPDrvTracer.o: warning: objtool: supdrvTracerProbeFireStub() is missing an ELF size annotation make[1]: *** [scripts/Makefile.build:519: /var/lib/dkms/virtualbox/6.1.10/build/vboxdrv] Error 2 make: *** [Makefile:1780: /var/lib/dkms/virtualbox/6.1.10/build] Error 2 make: Leaving directory '/usr/src/linux-headers-5.8.0-29-generic' Happy to provide any additional information. 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