Correct Virtual Processor Identifier (VPID)
Hello !Let’s say hypervisor runs virtual machine with VPIDs set to 1 for all virtual cores(Vmcs). While this hv and VM is running, I start another hv.Will this second hv be able to generate unique VPID...
View Articleread raw data
Hi everyone,This may be the most stupid question on this forum but.. how can I read raw data generated by the intel realsense depth camera d435? I tried with notepad to see how it looks like but it...
View ArticleVM-entry failure due to invalid guest state.
Hello !I am developing driver that converts currently running OS to run under hypervisor(something like SimpleVisor). After vmlaunch cpu jumps to vm-exit dispatcher with exit reason 0x80000021...
View ArticleIntel VT-x: How NMI is delivered to guest OS
I am running a guest OS on KVM with Intel VT-x. I am trying to understand how NMI (Intel PEBS) is handled when it is running in non-root mode. Does Intel VT-x automatically cause an NMI at the guest or...
View ArticleHow to handle the OS init-sipi-sipi sequence properly inside a VMM?
I'm experimenting with writing a simple Hypervisor, trying to support the initialization of a multiprocessor during the OS bootstrap (the init-sipi-sipi sequence).I'm using the Intel FRM hypervisor as...
View ArticleIntel VT-x: Configuring debug registers to debug from host
I am trying to configure the debug registers in the host so that I can monitor an address of a guest running on Intel VT-x. For this I have called KVM_SET_GUEST_DEBUG IOCTL. struct kvm_guest_debug...
View ArticleUDP bad checksum error for packets sent by my DPDK application
Hi,I am working with Intel 82599 VF.We have used DPDK v1.7 and RHEL 6.2.On the host end we have ixgbe driver and on the guest igb_uio driver.Iam seeing "UDP: bad checksum" messages for the packets sent...
View ArticleHAXM Check and fails to install
I have a Lenovo Thinkpad P50. This system is documented on the Intel site to support VT-x. I have enabled VT-x and standard virtualization in the BIOS. When I run HAXM_Check it still reports that...
View ArticleUnable to Install HAXM
PC Model: Lenovo, 20HJS0D10A CPU: i7-7820HQ cpuBIOS Version/Date LENOVO N1UET71W (1.45 ), 18.07.2018A hypervisor has been detected. Features required for Hyper-V will not be displayed. Hypervisor is...
View ArticleMONITOR/MWAIT without VM-exits in a VMX guest
Hi,I'm looking for an intel CPU where VMX supports MONITOR/MWAIT on the guest without VM-exits (*). As far as I understand, my Haswell CPU does not support this feature, and I've been unable to find...
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