[vbox-dev] How to populate a Linux VM with the items requested by a dmidecode -t 17

[Mihai Hanor]

Hi,

Why is it necessary for the guest?

Run this command and see if it does what you want:
VBoxManage setextradata "VM name"
VBoxInternal/Devices/pcbios/0/Config/DmiExposeMemoryTable 1
Source: www.virtualbox.org/ticket/12017?cversion=0&cnum_hist=1#comment:5



Regards,
Mihai

On Fri, 9 Nov 2018 at 22:29, Rodney Lott <rlott at evertz.com> wrote:

> Hi, there.
>
> First, my details:
>
> Host machine:
>
> rlott at rlott-brix:~$ uname -a; lsb_release -a
> Linux rlott-brix 4.13.0-46-generic #51-Ubuntu SMP Tue Jun 12 12:36:29 UTC
> 2018 x86_64 x86_64 x86_64 GNU/Linux
> No LSB modules are available.
> Distributor ID:    Ubuntu
> Description:    Ubuntu 17.10
> Release:    17.10
> Codename:    artful
>
> VirtualBox version: 5.2.6 r120293 (Qt5.9.1)
> Guest VM: Custom Ubuntu version
>
> root at magtestvm:/udata/home/etdev# uname -a; lsb_release
> Linux magtestvm 4.4.0-116-generic #140~14.04.1-Ubuntu SMP Fri Feb 16
> 09:25:20 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>
>
> I was wondering if there was a way to populate the DMI information to
> simulate memory banks for a Linux-based VM. If I do a dmidecode -t17 on my
> guest, I see the following:
>
> root at magtestvm:/udata/home/etdev# dmidecode -t17
> # dmidecode 2.12
> SMBIOS 2.5 present.
>
> Upon further examination, I saw in the full dmidecode output that no such
> memory bank sections existed.
>
> I found this section in the manual about setting DMI information:
> https://www.virtualbox.org/manual/ch08.html#idm5744
>
> I saw in this piece of the source code that it does support DMI Memory
> (type 17):
> https://www.virtualbox.org/svn/vbox/trunk/src/VBox/Devices/PC/DevFwCommon.cpp
>
> So, is there such a call to set various things like this?
>
>     VBoxManage setextradata <my_guest_vm>
> VBoxInternal/Devices/pcbios/0/Config/DmiMemory/<some_key> <some_value>
>
> If so, would you point me to where a list of values for <some_key> would
> be?
>
> Thanks very much!
>
> Rodney
>
>
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