VirtualBox

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Ticket Resolution Summary Owner Reporter
#4898 fixed 64-bit build should not require 32-bit libraries Romashka
Description

Currently 64-bit build of VirtualBox requires 32-bit libraries.
On Linux systems (e.g. Arch Linux) that don't support multilib this does not allow to build 64-bit VirtualBox.

32-bit additions can be built as a separate package on 32-bit system, so this is no problem.
The problem is that 64-bit VirtualBox requires 32-bit packages when building on 64-bit system.

#2061 duplicate 64-bit guest OS doesn't work przemoc
Description

I have 64-bit CPU (AMD Athlon 64 X2), Virtualization support turned on in BIOS (in KN9 that is: Advanced BIOS Features->CPU Feature->Virtualization: Enabled), 64-bit host OS (XP64 with SP1), VirtualBox 2.0 64-bit, Enable AMD-V/VT-x checked along with recommended IO APIC.

First I tried to start existing 64-bit ubuntu 8.04 from physical drive via vmdk. After "Starting up..." I got:

This kernel requires an x86-64 CPU, but only detected an i586 CPU.
Unable to boot - please use a kernel appropriate for your CPU.

Next I tried to boot from 64-bit ubuntu 7.10 cd and start installation, but when I've chosen option to install it showed me message:

Your CPU does not support long mode. Use a 32bit distribution.

I'm not sure yet that problem occurs only in xp64 host and only with ubuntu64 guest, so I didn't change host and guest types.

#4131 fixed 64-bit guest crashes if Nested Paging Enabled (amd-v: PGMPOOLKIND_FREE guru) Chris Wadge
Description

Any 64-bit guest I've tested has entered guru meditation on startup if the Nested Paging option is enabled. Host OS is Debian "Lenny" x86, kernel 2.6.29.4 with PAE / Nested Paging enabled. VirtualBox is official build from VirtualBox repos, 2.2.4 r47978.

Note that if I disable nested paging (but of course keep PAE), some 64-bit guests will work, e.g. Lenny-amd64 netinst (albeit slowly). Others, e.g. CentOS 5.3 amd64 netinst, fail outright with a guru meditation. See attached crash logs and system inventory for more info.

All the best, -Chris

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