Hi Valerio/Clemens, in my case, Windows 7 alone runs great!
I face this issue after installing PointSec to encrypt the (emulated) disk from the Windows 7 itself. Playing with above suggested parameters: 1) "-cpu kvm64,+nx -no-kvm" the BSOD: 0x0000005D (0x0000000078BFBF9,0x0000000000000000,0x0000000000000000,0x0000000000000000) 2) "-cpu kvm64,+nx -enable-kvm" loads, starts and run Windows 7. Now, I install PointSec and then the system reboots, installs PointSec boot code and reboots again. After that, while PointSec is loading, I get the KVM crash: KVM internal error. Suberror: 1 emulation failure EAX=00000130 EBX=00000000 ECX=00014000 EDX=00050000 ESI=00000000 EDI=00000000 EBP=00008e3f ESP=0001802d EIP=000006d3 EFL=00017087 [--S--PC] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0048 00000000 ffffffff 00c09300 DPL=0 DS [-WA] CS =25a1 00025a10 0000ffff 00009b00 DPL=0 CS16 [-RA] SS =0040 00028050 ffffffff 00c09300 DPL=0 DS [-WA] DS =0040 00028050 ffffffff 00c09300 DPL=0 DS [-WA] FS =0130 00300000 ffffffff 00c09300 DPL=0 DS [-WA] GS =0040 00028050 ffffffff 00c09300 DPL=0 DS [-WA] LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy GDT= 00028050 00001dd8 IDT= 00029e40 00000188 CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000000 Code=00 8e c0 b8 30 01 8e e0 66 b9 00 00 00 00 66 ba 00 00 00 00 <66> 26 67 8b 9a 00 00 05 00 66 64 67 89 1a 66 83 c2 04 66 41 66 81 f9 00 80 01 00 75 e3 0f 3) Running again "-cpu kvm64,+nx -no-kvm" loads PointSec fine so I type its configured user/passwd in. It then starts to boot Windows and then I get again the BSOD 4) From this point on, either the BSOD for "-no-kvm" or the crash for "-enable-kvm" but NOT before installing PointSec (while, despite of the BSOD for "-no-kvm", "-enable-kvm" worked just fine). Summing up, I either get PointSec to load but a Windows' BSOD after it or I get the KVM crash while PointSec is loading. The ticket I opened for this under PointSec is #1063807 because, again, Windows 7 runs fine for me. Please don't hesitate to ask me for further info, Rolando. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/921208 Title: win7/x64 installer hangs on startup with 0x0000005d. Status in QEMU: Confirmed Bug description: hi, during booting win7/x64 installer i'm observing a bsod with 0x0000005d ( msdn: unsupported_processor ). used command line: qemu-system-x86_64 -m 2048 -hda w7-system.img -cdrom win7_x64.iso -boot d adding '-machine accel=kvm' instead of default tcg accel helps to boot. installed software: qemu-1.0 linux-3.2.1 glibc-2.14.1 gcc-4.6.2 hw cpu: processor : 0..7 vendor_id : GenuineIntel cpu family : 6 model : 42 model name : Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz stepping : 7 microcode : 0x14 cpu MHz : 1995.739 cache size : 6144 KB physical id : 0 siblings : 8 core id : 3 cpu cores : 4 apicid : 7 initial apicid : 7 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid bogomips : 3992.23 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/921208/+subscriptions