[Bug 576856] [NEW] qemu-system-x86_64 doesn't emulate 64bit CPU

[Jesse]

Public bug reported:

Binary package hint: qemu-kvm

I have a Core 2 Duo E6550 which is physically 64-bit capable. When I run this on 32-bit Ubuntu 10.04:
$ qemu-system-x86_64 -cdrom ubuntu-10.04-desktop-amd64.iso
I got the following message:
This kernel requires an x86-64 CPU, but only detected an i686 CPU
expected behavior:
The live cd boots and runs, although slowly

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: qemu-kvm 0.12.3+noroms-0ubuntu9
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
Architecture: i386
Date: Fri May  7 15:56:29 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
KvmCmdLine: Error: command ['ps', '-C', 'kvm', '-F'] failed with exit code 1: UID        PID  PPID  C    SZ   RSS PSR STIME TTY          TIME CMD
MachineType: Dell Inc. OptiPlex 755
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=02d8bf31-12a4-43d3-b511-e7c688f4bbfe ro quiet splash
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: qemu-kvm
dmi.bios.date: 03/11/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 0GM819
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA09:bd03/11/2008:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0GM819:rvr:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.

** Affects: qemu-kvm (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

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qemu-system-x86_64 doesn't emulate 64bit CPU
https://bugs.launchpad.net/bugs/576856
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