Discuss February 2018

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Xen hypervisor on CentOS 7.4 with modern UEFI server not booting from grub
by John Naggets 01 Feb '18

01 Feb '18

Hi, I installed CentOS 7.4 on a modern Lenovo ThinkSystem SR630 server which uses UEFI. So far so good CentOS 7.4 works fine so then I went on to install the Xen hypervisor by following the instructions from the wiki (https://wiki.centos.org/HowTos/Xen/Xen4QuickStart). Unfortunately when I reboot after having installed the xen package the system does not boot into "CentOS Linux, with Xen hypervisor" from the grub menu prompt. I get the following error: Loading Xen 4.6.6-8.el7 ... error: can't find command `multiboot'. Loading Linux 4.9.75-29.el7.x86_64 ... error: can't find command `module'. Loading initial ramdisk ... error: can't find command `module'. Press any key to continue... The problem which I encounter here is exactly the same issue as described for Fedora in the RedHat bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1286317 with the exception that for me it's CentOS 7.4 and that the workarounds as described in that bug do not work. Does anyone know how I can make my CentOS boot with the Xen hypervisor using UEFI? Thank you very much for your help. Best regards, John

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Discuss February 2018