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[Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0
From: |
Clemens Kolbitsch |
Subject: |
[Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d. |
Date: |
Thu, 11 Oct 2012 18:12:32 -0000 |
We have been discussing this issue on the QEMU mailing list. It is of
CPU definition, but none of the current configurations allow QEMU to
boot Windows7 64bit WITHOUT KVM. The issue behind it is that the TCG
(code generator) might not fully support all CPU bits required by Win7.
There is a patch to bypass this problem, but the OS still does not boot
reliably (BSODs occur after a few minutes).
Note that it works with KVM enabled
--
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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:
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- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d., Rolando Zappacosta, 2012/10/04
- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d., Rolando Zappacosta, 2012/10/08
- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d.,
Clemens Kolbitsch <=
- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d., Valerio Angelini, 2012/10/11
- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d., Rolando Zappacosta, 2012/10/12
- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d., Clemens Kolbitsch, 2012/10/13
- [Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d., Rolando Zappacosta, 2012/10/13