Sorry, I have not found a file attachment on this website? So I added the files as text in this list! ## 4.2.6 [root@ovirt-n1 boot]# imgbase w You are on ovirt-node-ng-4.2.6-0.20180903.0+1 [root@ovirt-n1 boot]# cat /proc/cmdline BOOT_IMAGE=/ovirt-node-ng-4.2.6-0.20180903.0+1/vmlinuz-3.10.0-862.11.6.el7.x86_64 root=/dev/onn_ovirt-n1/ovirt-node-ng-4.2.6-0.20180903.0+1 ro crashkernel=auto rd.lvm.lv=onn_ovirt-n1/swap rd.lvm.lv=onn_ovirt-n1/ovirt-node-ng-4.2.6-0.20180903.0+1 rhgb quiet LANG=en_US.UTF-8 img.bootid=ovirt-node-ng-4.2.6-0.20180903.0+1 [root@ovirt-n1 boot]# ## 4.2.6.1 after 1. reboot , grub.cfg is the same as 4.2.6 [root@ovirt-n1 ~]# imgbase w You are on ovirt-node-ng-4.2.6.1-0.20180913.0+1 [root@ovirt-n1 ~]# cat /proc/cmdline BOOT_IMAGE=/ovirt-node-ng-4.2.6.1-0.20180913.0+1/vmlinuz-3.10.0-862.11.6.el7.x86_64 root=/dev/onn_ovirt-n1/ovirt-node-ng-4.2.6.1-0.20180913.0+1 ro crashkernel=auto rd.lvm.lv=onn_ovirt-n1/swap rd.lvm.lv=onn_ovirt-n1/ovirt-node-ng-4.2.6.1-0.20180913.0+1 rhgb quiet LANG=en_US.UTF-8 img.bootid=ovirt-node-ng-4.2.6.1-0.20180913.0+1 [root@ovirt-n1 ~]# ## 4.2.6.1 after 2. reboot, grub.cfg is different to 4.2.6.1 after 1. reboot [root@ovirt-n1 ~]# imgbase w You are on ovirt-node-ng-4.2.6.1-0.20180913.0+1 [root@ovirt-n1 ~]# cat /proc/cmdline BOOT_IMAGE=/ovirt-node-ng-4.2.6.1-0.20180913.0+1/vmlinuz-3.10.0-862.11.6.el7.x86_64 root=/dev/onn_ovirt-n1/ovirt-node-ng-4.2.6.1-0.20180913.0+1 ro crashkernel=auto rd.lvm.lv=onn_ovirt-n1/swap rd.lvm.lv=onn_ovirt-n1/ovirt-node-ng-4.2.6.1-0.20180913.0+1 rhgb quiet LANG=en_US.UTF-8 img.bootid=ovirt-node-ng-4.2.6.1-0.20180913.0+1 [root@ovirt-n1 ~]# ## diff of grub.cfg :~> diff 1_reboot_ovirt-node-ng-4.2.6.1-0.20180913.0+1_grub.cfg 2_reboot_ovirt-node-ng-4.2.6.1-0.20180913.0+1_grub.cfg 90c90 < menuentry 'CentOS Linux (3.10.0-693.21.1.el7.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-693.21.1.el7.x86_64-advanced-57ca0a93-12a7-4102-86e4-d4da992dca9b' { ---
menuentry 'CentOS Linux (3.10.0-862.11.6.el7.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-862.11.6.el7.x86_64-advanced-4f32de64-d218-4467-b8cc-0ffbcc10103e' { 98c98 < search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' 57ca0a93-12a7-4102-86e4-d4da992dca9b
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' 4f32de64-d218-4467-b8cc-0ffbcc10103e
100c100 < search --no-floppy --fs-uuid --set=root 57ca0a93-12a7-4102-86e4-d4da992dca9b ---
search --no-floppy --fs-uuid --set=root 4f32de64-d218-4467-b8cc-0ffbcc10103e
102,103c102,103 < linux16 /boot/vmlinuz-3.10.0-693.21.1.el7.x86_64 root=UUID=57ca0a93-12a7-4102-86e4-d4da992dca9b ro crashkernel=auto console=ttyS0 LANG=en_US.UTF-8 < initrd16 /boot/initramfs-3.10.0-693.21.1.el7.x86_64.img ---
linux16 /boot/vmlinuz-3.10.0-862.11.6.el7.x86_64 root=UUID=4f32de64-d218-4467-b8cc-0ffbcc10103e ro crashkernel=auto console=ttyS0 LANG=en_US.UTF-8 initrd16 /boot/initramfs-3.10.0-862.11.6.el7.x86_64.img
109,110c109,110 < submenu "tboot 1.9.5" { < menuentry 'CentOS Linux GNU/Linux, with tboot 1.9.5 and Linux 3.10.0-693.21.1.el7.x86_64' --class centos --class gnu-linux --class gnu --class os --class tboot { ---
submenu "tboot 1.9.6" { menuentry 'CentOS Linux GNU/Linux, with tboot 1.9.6 and Linux 3.10.0-862.11.6.el7.x86_64' --class centos --class gnu-linux --class gnu --class os --class tboot { 115c115 < search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' 57ca0a93-12a7-4102-86e4-d4da992dca9b
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' 4f32de64-d218-4467-b8cc-0ffbcc10103e
117c117 < search --no-floppy --fs-uuid --set=root 57ca0a93-12a7-4102-86e4-d4da992dca9b ---
search --no-floppy --fs-uuid --set=root 4f32de64-d218-4467-b8cc-0ffbcc10103e
119c119 < echo 'Loading tboot 1.9.5 ...' ---
echo 'Loading tboot 1.9.6 ...'
121,122c121,122 < echo 'Loading Linux 3.10.0-693.21.1.el7.x86_64 ...' < module /boot/vmlinuz-3.10.0-693.21.1.el7.x86_64 root=UUID=57ca0a93-12a7-4102-86e4-d4da992dca9b ro crashkernel=auto console=ttyS0 intel_iommu=on ---
echo 'Loading Linux 3.10.0-862.11.6.el7.x86_64 ...' module /boot/vmlinuz-3.10.0-862.11.6.el7.x86_64 root=UUID=4f32de64-d218-4467-b8cc-0ffbcc10103e ro crashkernel=auto console=ttyS0 intel_iommu=on
124c124 < module /boot/initramfs-3.10.0-693.21.1.el7.x86_64.img ---
module /boot/initramfs-3.10.0-862.11.6.el7.x86_64.img
153a154,156
### BEGIN /etc/grub.d/42_boom ### ### END /etc/grub.d/42_boom ###
############# 1_reboot_ovirt-node-ng-4.2.6.1-0.20180913.0+1_grub.cfg # # DO NOT EDIT THIS FILE # # It is automatically generated by grub2-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### set pager=1 if [ -s $prefix/grubenv ]; then load_env fi if [ "${next_entry}" ] ; then set default="${next_entry}" set next_entry= save_env next_entry set boot_once=true else set default="${saved_entry}" fi if [ x"${feature_menuentry_id}" = xy ]; then menuentry_id_option="--id" else menuentry_id_option="" fi export menuentry_id_option if [ "${prev_saved_entry}" ]; then set saved_entry="${prev_saved_entry}" save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z "${boot_once}" ]; then saved_entry="${chosen}" save_env saved_entry fi } function load_video { if [ x$feature_all_video_module = xy ]; then insmod all_video else insmod efi_gop insmod efi_uga insmod ieee1275_fb insmod vbe insmod vga insmod video_bochs insmod video_cirrus fi } serial terminal_input serial console terminal_output serial console if [ x$feature_timeout_style = xy ] ; then set timeout_style=menu set timeout=1 # Fallback normal timeout code in case the timeout_style feature is # unavailable. else o.