I recently installed Xencenter 6.2. I was able to install and configure a Windows VM. However, whenever I boot different Linux distros after the boot menu (syslinux or whatever) the disc always locks up. I tried Fedora 19, RHEL 6, and gparted. I get the feeling that it must be a xenserver or BIOS configuration issue. The processor is an Intel E5-2609 which supports VT-x. Any ideas?
1 Answers
The article Linux Virtual Machines are Unable to Boot from DVD on XenServer, although for XenServer 5.5/5,6, might still pertain here :
Unlike Microsoft Windows, which uses device drivers for paravirtualization, Linux virtual machines have a paravirtualized kernel. During the installation of Linux, it is actually running as a Hardware-Assisted Virtual Machine (HVM) and has access to DVD just like Windows. Once the Linux installation is complete, a Xen kernel is swapped in. However, as the paravirtualization is kernel based, this causes issues with accessing the DVD on boot, as the kernel is not loaded.
To allow the Linux virtual machine to boot from DVD, the virtual machine should be set to start in Recovery Mode, as shown in the following screen shot:

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