VB 4.3.6: Cannot install Debian 7.0.3: Wrong CPU detected

[Tom Browder]

Just yesterday I upgraded to VB 4.3.6 on my Win XP (not used often)
and tried to install the latest Deb 7 for amd64 and the install kept
failing.

When I used the advanced install I was informed that I was using an
amd64 disk for a 32-bit cpu (my host is 64-bit).

I have always used the latest VB on that host and have installed
Debian 7 amd64 many times successfully in previous versions of VB.

Does anyone have an idea where the problem may lay?

(I have not tried downgrading VB yet. I did try both the netinst and
full-up iso versions from Debian--both failed.)

Best regards,

-Tom

[Michael Da Cova]

Hi

don’t know if this helps you but I had a similar problem but with
windows 8.1 on ubuntu 64bit

google found me a post which had a fix "c:\Program
Files\Oracle\VirtualBox\VBoxManage.exe" setextradata [vmname]
VBoxInternal/CPUM/CMPXCHG16B 1

which fixed my issue naturally I converted the command to linux

Michael

Post by Tom Browder
Just yesterday I upgraded to VB 4.3.6 on my Win XP (not used often)
and tried to install the latest Deb 7 for amd64 and the install kept
failing.
When I used the advanced install I was informed that I was using an
amd64 disk for a 32-bit cpu (my host is 64-bit).
I have always used the latest VB on that host and have installed
Debian 7 amd64 many times successfully in previous versions of VB.
Does anyone have an idea where the problem may lay?
(I have not tried downgrading VB yet. I did try both the netinst and
full-up iso versions from Debian--both failed.)
Best regards,
-Tom
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[Tom Browder]

don't know if this helps you but I had a similar problem but with
windows 8.1 on ubuntu 64bit
google found me a post which had a fix "c:\Program
Files\Oracle\VirtualBox\VBoxManage.exe" setextradata [vmname]
VBoxInternal/CPUM/CMPXCHG16B 1
which fixed my issue naturally I converted the command to linux

Thanks, Michael, I'll try that.

But does that sound like a Debian or a VB failure? I get the same
failure with recent VB versions and older Debian versions (that I've
successfully installed before on a VB from spring 2013).

Best regards,

-Tom

[Gregory Nowak]

Post by Tom Browder
Just yesterday I upgraded to VB 4.3.6 on my Win XP (not used often)
and tried to install the latest Deb 7 for amd64 and the install kept
failing.
When I used the advanced install I was informed that I was using an
amd64 disk for a 32-bit cpu (my host is 64-bit).

When you configured your guest, you chose "Debian (64 bit) as the
operating system version on the first screen of the new machine
creation wizard, right?

Greg

[Tom Browder]

Post by Gregory Nowak

Post by Tom Browder
Just yesterday I upgraded to VB 4.3.6 on my Win XP (not used often)

When you configured your guest, you chose "Debian (64 bit) as the
operating system version on the first screen of the new machine
creation wizard, right?

Greg, I'm a dummy--that was the problem. I must have chosen Deb 64
bit a thousand times and missed it this time.

Thanks so much, and sorry for the wasted bandwidth.

Best regards,

-Tom