[CentOS-virt] Xen CentOS 7.3 server + CentOS 7.3 VM fails to boot after CR updates (applied to VM)!

PJ Welsh pjwelsh at gmail.com
Thu Aug 31 12:50:58 UTC 2017


A recently created and fully functional CentOS 7.3 VM fails to boot after
applying CR updates:
...
;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f
CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS
Linux 7 (Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f CentOS Linux 7 (Core)1;-1f1;-1f CentOS Linux 7
(Core)1;-1f1;-1f
 ...
[  194.011062] dracut-initqueue[227]: Warning: dracut-initqueue timeout -
starting timeout scripts
[  194.546622] dracut-initqueue[227]: Warning: dracut-initqueue timeout -
starting timeout scripts
[  194.547515] dracut-initqueue[227]: Warning: Could not boot.
[  194.557324] dracut-initqueue[227]: Warning:
/dev/disk/by-uuid/bbafa3a5-0a24-40d2-a362-03cb33d5d76b does not exist
         Starting Dracut Emergency Shell...
Warning: /dev/disk/by-uuid/bbafa3a5-0a24-40d2-a362-03cb33d5d76b does not
exist

Generating "/run/initramfs/rdsosreport.txt"

Entering emergency mode. Exit the shell to continue.
Type "journalctl" to view system logs.
You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or
/boot
after mounting them and attach it to a bug report.

dracut:/#

Server OS is CentOS 7.3 using Xen (no CR updates):
rpm -qa xen\*
xen-hypervisor-4.6.3-15.el7.x86_64
xen-4.6.3-15.el7.x86_64
xen-licenses-4.6.3-15.el7.x86_64
xen-libs-4.6.3-15.el7.x86_64
xen-runtime-4.6.3-15.el7.x86_64

uname -a
Linux tsxen2.xx.com 4.9.39-29.el7.x86_64 #1 SMP Fri Jul 21 15:09:00 UTC
2017 x86_64 x86_64 x86_64 GNU/Linux

Sadly, the other issue is that the grub menu will not display for me to
select another kernel to see if it is just a kernel issue.

The dracut prompt does not show any /dev/disk folder either.

Any info?

Thanks
PJWelsh
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