For 32bit Win8, I used different cpu mode and got different results as following. n270: can boot up athlon: fail (Error code: 0x0000005D) pentium3: can boot up pentium2: fail(Error code: 0x0000005D) Pentium: fail(error code: 0xc0000260) 486: fail(error code: 0xc0000260) Coreduo: can boog up Kvm32: can boot up Qemu32: can boot up Kvm64: can bootup Core2duo: can boot up Phenom: can boot up Qemu64: fail (Error code: 0x0000005D)
[root@jay-linux ~]# qemu-system-x86_64 -cpu ? x86 [n270] x86 [athlon] x86 [pentium3] x86 [pentium2] x86 [pentium] x86 [486] x86 [coreduo] x86 [kvm32] x86 [qemu32] x86 [kvm64] x86 [core2duo] x86 [phenom] x86 [qemu64] -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1007269 Title: Can’t install or boot up 32bit win8 guest. Status in QEMU: New Bug description: Environment: ------------ Host OS (ia32/ia32e/IA64):ia32e Guest OS (ia32/ia32e/IA64):ia32e Guest OS Type (Linux/Windows):Linux(rhel6u1) kvm.git Commit:51bfd2998113e1f8ce8dcf853407b76a04b5f2a0 qemu-kvm Commit:3fd9fedb9fae4517d93d76e93a2924559cacf2f6 Host Kernel Version:3.4.0-rc7 Hardware:WSM-EP,Romley-EP Bug detailed description: -------------------------- it can't install or boot up 32bit Win8(Consumer Preview Update 2) guest. The guest will crash with the following error, while 64bit Win8 and 32bit Win7 guest work fine. -----Win8 Error------- Your computer needs to restart. Please hold down the power button. Error code: 0x0000005D Parameters: 0x03060D03 0x756E6547 0x49656E69 0x6C65746E -----Win8 Error------- "0x0000005D" code means "UNSUPPORTED_PROCESSOR" in Windows. BTW, you can get 32bit Win8 ISO from the following website. http://windows.microsoft.com/en-US/windows-8/iso Reproduce steps: ---------------- 1. get 32 bit win8 ISO 2. prepare a disk image: dd if=/dev/zero of=/root/win8-32.img bs=1M count=16384 3. start a guest to install 32bit win8: qemu-system –m 4096 –smp 4 –hda /root/win8-32.img –cdrom /media/32bit-Win8.iso 4. if you have a 32bit win8 image,try to boot it up Current result: ---------------- 32bit Win8 guest crash Expected result: ---------------- 32bit win8 guest boot up correctly To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1007269/+subscriptions