VirtualBox doesn't compile anymore on Fedora 30

[Martin]

VirtualBox doesn't compile anymore on Fedora 30. I have tested 5.2.34 and 6.0.14.
It looks like a compatibility problelm with the current gcc compiler.
Correct kernel headers and development tools are installed.

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# uname -a
Linux mdtiny.local 5.4.7-100.fc30.x86_64 #1 SMP Wed Jan 1 01:37:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

# dnf list gcc
Installed Packages
gcc.x86_64                                                 9.2.1-1.fc30

# dnf list installed gcc VirtualBox-6.0 kernel*
Installed Packages
VirtualBox-6.0.x86_64                                        6.0.14_133895_fedora29-1                                   @virtualbox
gcc.x86_64                                                    9.2.1-1.fc30                                               @updates   
kernel.x86_64                                                 5.3.15-200.fc30                                            @updates   
kernel.x86_64                                                 5.3.16-200.fc30                                            @updates   
kernel.x86_64                                                 5.4.7-100.fc30                                             @updates   
kernel-core.x86_64                                            5.3.15-200.fc30                                            @updates   
kernel-core.x86_64                                            5.3.16-200.fc30                                            @updates   
kernel-core.x86_64                                            5.4.7-100.fc30                                             @updates   
kernel-devel.x86_64                                           5.3.15-200.fc30                                            @updates   
kernel-devel.x86_64                                           5.3.16-200.fc30                                            @updates   
kernel-devel.x86_64                                           5.4.7-100.fc30                                             @updates   
kernel-headers.x86_64                                         5.4.7-100.fc30                                             @updates   
kernel-modules.x86_64                                         5.3.15-200.fc30                                            @updates   
kernel-modules.x86_64                                         5.3.16-200.fc30                                            @updates   
kernel-modules.x86_64                                         5.4.7-100.fc30                                             @updates   
kernel-modules-extra.x86_64                                   5.3.15-200.fc30                                            @updates   
kernel-modules-extra.x86_64                                   5.3.16-200.fc30                                            @updates   
kernel-modules-extra.x86_64                                   5.4.7-100.fc30                                             @updates   

vbox-setup.log shows these lines and more similar lines for other include files

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In file included from ././include/linux/compiler_types.h:59,
                 from <command-line>:
/tmp/vbox.0/SUPDrvGip.c: In function ‘supdrvTscDeltaThread’:
./include/linux/compiler_attributes.h:200:41: error: expected ‘)’ before ‘__attribute__’
  200 | # define fallthrough                    __attribute__((__fallthrough__))
      |                                         ^~~~~~~~~~~~~
/tmp/vbox.0/include/iprt/cdefs.h:1169:48: note: in expansion of macro ‘fallthrough’
 1169 | # define RT_FALL_THROUGH()      __attribute__((fallthrough))
      |                                                ^~~~~~~~~~~
/tmp/vbox.0/include/iprt/cdefs.h:1176:33: note: in expansion of macro ‘RT_FALL_THROUGH’
 1176 | #define RT_FALL_THRU()          RT_FALL_THROUGH()
      |                                 ^~~~~~~~~~~~~~~
/tmp/vbox.0/SUPDrvGip.c:4197:17: note: in expansion of macro ‘RT_FALL_THRU’
 4197 |                 RT_FALL_THRU();
      |                 ^~~~~~~~~~~~

Full vbox-setup.log is attached.

Seems to be the same problem as in viewtopic.php?f=7&t=96297 for Linux Mint 19.3

[Shadders]

Hi,
Getting exactly the same. Uninstalled v5.2 after a failure to run a VM issue, installed v6.0 and the same failure.

Kernel is 5.4.7.

Always happens when you need the VM most.

Regards,
Shadders.

[Martin]

Workaround:

Install the version 6.1 with

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dnf install http://download.virtualbox.org/virtualbox/rpm/fedora/29/x86_64/VirtualBox-6.1-6.1.0_135406_fedora29-1.x86_64.rpm

For Fedora 31 this will probably work:

dnf install VirtualBox-6.1

Currently you cannot install 6.1 on Fedroa 30 directly from the repo because the repo (wrongly) also contains the Fedora 31 build which doesn't work on 30 and is detected as "newer" by dnf.

[Shadders]

Hi Martin,
Thanks for that - much appreciated. It works no problem.

Regards,
Shadders.