https://community.intel.com/t5/Software-Archive/task-switch-vm-exit/m-p/777008#M4911 Hi! After successful hypervisor launch, when i reboot my OS in hypervisor come's vmexit with code 0x9. in intel manual write that it's task swich trought IDT. How can i proces this vm exit??? Thu, 05 Apr 2012 16:21:05 GMT darksider 2012-04-05T16:21:05Z https://community.intel.com/t5/Software-Archive/task-switch-vm-exit/m-p/777008#M4911 Hi! After successful hypervisor launch, when i reboot my OS in hypervisor come's vmexit with code 0x9. in intel manual write that it's task swich trought IDT. How can i proces this vm exit??? Thu, 05 Apr 2012 16:21:05 GMT https://community.intel.com/t5/Software-Archive/task-switch-vm-exit/m-p/777008#M4911 darksider 2012-04-05T16:21:05Z https://community.intel.com/t5/Software-Archive/task-switch-vm-exit/m-p/777009#M4912 Hello and thanks for your post. Guest OS cannot perform task switches so what you have to do is to manually perform a task switch (you can do that mapping the old and new TSSs through GDT.<DIV><BR />For more informations see SDM 3A chapter 7 (Task managment)</DIV><DIV></DIV><DIV>irp</DIV> Mon, 09 Apr 2012 07:08:34 GMT https://community.intel.com/t5/Software-Archive/task-switch-vm-exit/m-p/777009#M4912 interruptrequestpack 2012-04-09T07:08:34Z