Re: Xen CentOS 7.3 server + CentOS 7.3 VM fails to boot after CR updates (applied to VM)!

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I also had issues updating to 7.3+CR on domUs. As a workaround: I changed them to hvm and that seemed to correct the problem.

Thanks,
-Dave


> On Aug 31, 2017, at 05:50, PJ Welsh <pjwelsh@xxxxxxxxx> wrote:
> 
> 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 (C!
 ore)1;-1f
 1;-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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