Tips on remote debugging for filesystem code

[Gary Palmer]

On Mon, Aug 28, 2017 at 01:12:09PM +0530, Aijaz Baig wrote:
> Thanks a lot bakul. Will certain look into this
> 
> Nevertheless I got hold of a PowerEdge 320 system which DOES have a POPCNT
> instruction which shows support for V-x support via EPT but I still get the
> same error there
> 
> sh /usr/share/examples/bhyve/vmrun.sh -c 1 -m 2048M -t tap0 -d guest.img -i
> -I FreeBSD-10.3-RELEASE-amd64-bootonly.iso fbsd10
> Launching virtual machine "fbsd10" ...
> vm_create: Device not configured
> 
> dmesg:
> vmx_init: processor does not support VMX operation
> 
> cat /var/run/dmesg.boot | grep -i popcnt
> 
> Features2=0xffba2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND,HV>
> 
> Features2=0xffba2203<SSE3,PCLMULQDQ,SSSE3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND,HV>
> 
> Any ideas?

Hi,

Check the BIOS for virtualisation or other related options.  Some BIOSes have
the ability to turn those features off, even if the processor normally
supports them

Regards,

Gary