Hi,

I intended to use qemu-system-x86_64 with kvm for full virtualization.
My host is

# cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 127
model name      : AMD Athlon(tm) 64 Processor 3500+
stepping        : 1
cpu MHz         : 1000.000
cache size      : 512 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt rdtscp 
lm 3dnowext 3dnow rep_good pni cx16 lahf_lm svm extapic cr8_legacy 
misalignsse
bogomips        : 2010.55
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc 100mhzsteps


So you can see AMD's "svm" is existent.
Host's kernel is 2.6.23.1, config file is attached.
KVM/Qemu sources I've tried include -37, -40, -45 and -46.

When I run something like
qemu-system-x86_64 -m 384 -no-kvm <somevdisk>

The virtual machine boots and everything works fine (except the 
slowliness ;-)).
But when I try without the "-no-kvm" switch the whole host machine 
immediately freezes hard (no windows come up, no text on the console, 
mouse frozen, amazing though that machine still reacts to ping on 
network.. but anyway, even reset button at the PC doesn't help, I've got 
to switch off power..)

The host distribution is FC6.

Am I doing something substantially wrong?

Any help appreciated.

Regards,
Jan


-- 
Jan Frey
linux [at] janfrey.de