Public bug reported:
Tested on qemu v0.11.0 and v0.12.3:
>qemu-kvm -cpu core2duo,+sse4.1,+sse4.2
CPU feature sse4.1 not found
CPU feature sse4.2 not found
>egrep "model name|flags" /proc/cpuinfo | sort -r | uniq
model name : Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
flags : fpu vme de pse tsc msr pae mce cx8 apic 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 xtopology tsc_reliable nonstop_tsc
pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2
popcnt lahf_lm tpr_shadow vnmi flexpriority ept vpid
** Affects: qemu
Importance: Undecided
Status: New
--
qemu fails to recognize host features SSE4.1, SSE4.2
https://bugs.launchpad.net/bugs/588127
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Status in QEMU: New
Bug description:
Tested on qemu v0.11.0 and v0.12.3:
>qemu-kvm -cpu core2duo,+sse4.1,+sse4.2
CPU feature sse4.1 not found
CPU feature sse4.2 not found
>egrep "model name|flags" /proc/cpuinfo | sort -r | uniq
model name : Intel(R) Xeon(R) CPU X5570 @ 2.93GHz
flags : fpu vme de pse tsc msr pae mce cx8 apic 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 xtopology tsc_reliable nonstop_tsc
pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2
popcnt lahf_lm tpr_shadow vnmi flexpriority ept vpid
