Tracker item #3308802, was opened at 2011-05-28 09:25 Message generated for change (Comment added) made by mvanzin You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=989708&aid=3308802&group_id=204462
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: checkvm Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Ed Swierk (eswierk) Assigned to: Nobody/Anonymous (nobody) Summary: VmCheck_IsVirtualWorld fails on ESXi guest Initial Comment: # vmware-checkvm ** Message: HOSTINFO: CPUID hypervisor bit is set, but no hypervisor vendor signature is present ** (process:1899): DEBUG: VmCheck_IsVirtualWorld: detected non-VMware hypervisor (). Not running in a virtual machine. --- Apparently the cpuid instruction for level 0x40000000 is not getting emulated correctly when invoked from userspace. To verify this I wrote a test program that calls cpuid 0x40000000 and confirms that eax contains 0. However, if I modify the program to use the cpuid kernel module instead, eax contains 0x40000010. I'm running a 32-bit Linux 2.6.38 guest on VMware ESXi 4.1.0. The server is an HP with an AMD Opteron 2214 HE CPU. Behavior is the same whether I configure the VM's CPU/MMU Virtualization setting to Automatic, Software or Hardware. ---------------------------------------------------------------------- >Comment By: Marcelo Vanzin (mvanzin) Date: 2011-05-28 14:04 Message: Tools are not really tested on ESXi guests, so YMMV. But try adding this at the top of the main() function: iopl(3); And see if it helps. (you may need to #include <sys/io.h>) ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=989708&aid=3308802&group_id=204462 ------------------------------------------------------------------------------ vRanger cuts backup time in half-while increasing security. With the market-leading solution for virtual backup and recovery, you get blazing-fast, flexible, and affordable data protection. Download your free trial now. http://p.sf.net/sfu/quest-d2dcopy1 _______________________________________________ open-vm-tools-devel mailing list open-vm-tools-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/open-vm-tools-devel
