VirtualBox

Ticket #10005 (closed enhancement: fixed)

Opened 2 years ago

Last modified 19 months ago

Support for VIA Nano X2 L4350 => Fixed in SVN

Reported by: johanb Owned by:
Priority: major Component: VMM/HWACCM
Version: VirtualBox 4.1.2 Keywords:
Cc: Guest type: Linux
Host type: Linux

Description (last modified by frank) (diff)

The VIA Nano X2 L4350 processor supports hardware virtualization (Intel VT-x).

The CPU flag is recognized by VirtualBox:

00:00:00.369 VMX - Virtual Machine Technology = 0 (1)

But CPU itself is unknown:

00:00:00.502 HWACCM: No VT-x or AMD-V CPU extension found. Reason VERR_HWACCM_UNKNOWN_CPU
00:00:00.502 HWACCM: VMX MSR_IA32_FEATURE_CONTROL=0

VirtualBox guests therefor don't have hardware virtualization.

Would it be possible to support this CPU?

This is the contents of /proc/cpuinfo:

processor : 0
vendor_id : CentaurHauls
cpu family : 6
model : 15
model name : VIA Nano X2 L4350 @ 1.6+ GHz
stepping : 12
cpu MHz : 1733.569
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
   pat clflush acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm 
   constant_tsc rep_good nopl pni monitor vmx est tm2 ssse3 cx16 
   xtpr sse4_1 popcnt rng rng_en ace ace_en ace2 phe phe_en pmm pmm_en lahf_lm ida
bogomips : 3467.13
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : CentaurHauls
cpu family : 6
model : 15
model name : VIA Nano X2 L4350 @ 1.6+ GHz
stepping : 12
cpu MHz : 1733.569
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
   pat clflush acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm 
   constant_tsc rep_good nopl pni monitor vmx est tm2 ssse3 cx16 
   xtpr sse4_1 popcnt rng rng_en ace ace_en ace2 phe phe_en pmm pmm_en lahf_lm ida
bogomips : 3466.81
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:

Change History

comment:1 Changed 2 years ago by michael

I'm afraid that we don't have any VIA hardware, and it is probably not an important market for us. If you could provide us with either hardware or a well-tested patch though we would consider supporting it.

comment:2 Changed 2 years ago by frank

  • Description modified (diff)

comment:3 Changed 2 years ago by johanb

VIA licensed VMX from Intel and it should be completely compatible.

Is there a way to force Virtualbox to use hardware virtualization?

comment:4 Changed 21 months ago by frank

  • Description modified (diff)
  • Summary changed from Support for VIA Nano X2 L4350 to Support for VIA Nano X2 L4350 => Fixed in SVN

The next major release will support recent VIA CPUs. Thanks for VIA providing us test hardware!

comment:5 Changed 19 months ago by frank

  • Status changed from new to closed
  • Resolution set to fixed

The fixes are part of VirtualBox 4.2 which was released today.

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