[sles-beta] Admin Server fails to boot on Xen

[Aman Nijhawan]

I have faced similar issues with SLES12SP0 on vmware. 


On Oct 28, 2015, at 9:51 AM, Eugen Block <eblock at nde.ag> wrote:

> Hi,
> 
> thanks for your response.
> I just tried your suggestion. Before the system rebooted for the first time I took a look into the file system, the kernel ist there, nothings seems to be missing. So I guess I'm facing a different issue. What else can I try to figure that out?
> 
> Regards,
> Eugen
> 
> 
> Zitat von Wesley Coleman <WColeman at africanbank.co.za>:
> 
>> I've had this issue on SLES 12 installed on VMWare.  The cause is that for some reason the kernel gets deleted/removed.  Before the reboot check that the kernel is still installed.  If not, reinstall the kernel as well as grub2.
>> 
>> -----Original Message-----
>> From: sles-beta-bounces at lists.suse.com [mailto:sles-beta-bounces at lists.suse.com] On Behalf Of Eugen Block
>> Sent: Wednesday, October 28, 2015 2:03 PM
>> To: sles-beta at lists.suse.com
>> Subject: Re: [sles-beta] Admin Server fails to boot on Xen
>> 
>> Hi,
>> 
>> this is a follow up on my problem regarding a SLES12-SP1 virtual machine on a Xen host.
>> 
>> The reported issue in my previous mail refers to an installation where "/boot" was installed on a sperate ext4 partition, the remaining file system was btrfs. This had to do with earlier problems, I wanted to avoid them.
>> 
>> Today I reinstalled SLES12-SP1 with default partitioning. The only changes I made were in the network settings. But the problem was the same, after reboot the VM gets stuck in grub. Only this time I'm not able to boot it manually with any grub commands.
>> 
>> For reference, I installed SLES12-SP0 again, with the exact same settings (default except network). This VM reboots successfully.
>> 
>> Any ideas?
>> 
>> Regards,
>> Eugen
>> 
>> 
>> Zitat von Eugen Block <eblock at nde.ag>:
>> 
>>> Hi everyone,
>>> 
>>> I'm currently trying to upgrade from cloud 5 to cloud 6 beta. During
>>> installation of the Admin server I'm facing some difficulties. The
>>> admin server is supposed to run as a xen-guest on a SLES11-SP4 host.
>>> The installation itself went smoothly, but after reboot the vm gets
>>> stuck in the grub command line. It is possible to boot the vm,
>>> though: in grub cmd I just have to execute these commands manually,
>>> and then it boots successfully (until next reboot):
>>> 
>>> --- cut here ---
>>> 
>>> set root='hd0,msdos3'
>>> linux   /vmlinuz-xen root=UUID=e557cc68-5b12-48a2-a15f-da9b2c75dfcb
>>> 192.168.103.5 resume=/dev/xvda1 splash=silent quiet showopts initrd
>>> /initrd-xen boot
>>> 
>>> --- cut here ---
>>> 
>>> 
>>> I have been able to install SLES12 on a xen guest before, but it fails
>>> now on SLES12-SP1.
>>> An excerpt of the xen config file for the admin server:
>>> 
>>> --- cut here ---
>>> 
>>> builder="linux"
>>> kernel="/usr/lib/grub2/x86_64-xen/grub.xen"
>>> 
>>> --- cut here ---
>>> 
>>> nameserver is also set.
>>> If you need any further information to analyze I would be happy to
>>> provide missing info.
>>> 
>>> I would appreciate any help.
>>> 
>>> Regards,
>>> Eugen
>>> 
>>> --
>>> Eugen Block                             voice   : +49-40-559 51 75
>>> NDE Netzdesign und -entwicklung AG      fax     : +49-40-559 51 77
>>> Postfach 61 03 15
>>> D-22423 Hamburg                         e-mail  : eblock at nde.ag
>>> 
>>>         Vorsitzende des Aufsichtsrates: Angelika Mozdzen
>>>           Sitz und Registergericht: Hamburg, HRB 90934
>>>                   Vorstand: Jens-U. Mozdzen
>>>                    USt-IdNr. DE 814 013 983
>>> 
>>> --
>>> Eugen Block                             voice   : +49-40-559 51 75
>>> NDE Netzdesign und -entwicklung AG      fax     : +49-40-559 51 77
>>> Postfach 61 03 15
>>> D-22423 Hamburg                         e-mail  : eblock at nde.ag
>>> 
>>>        Vorsitzende des Aufsichtsrates: Angelika Mozdzen
>>>          Sitz und Registergericht: Hamburg, HRB 90934
>>>                  Vorstand: Jens-U. Mozdzen
>>>                   USt-IdNr. DE 814 013 983
>>> 
>>> _______________________________________________
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>> 
>> 
>> 
>> --
>> Eugen Block                             voice   : +49-40-559 51 75
>> NDE Netzdesign und -entwicklung AG      fax     : +49-40-559 51 77
>> Postfach 61 03 15
>> D-22423 Hamburg                         e-mail  : eblock at nde.ag
>> 
>>         Vorsitzende des Aufsichtsrates: Angelika Mozdzen
>>           Sitz und Registergericht: Hamburg, HRB 90934
>>                   Vorstand: Jens-U. Mozdzen
>>                    USt-IdNr. DE 814 013 983
>> 
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> 
> 
> 
> -- 
> Eugen Block                             voice   : +49-40-559 51 75
> NDE Netzdesign und -entwicklung AG      fax     : +49-40-559 51 77
> Postfach 61 03 15
> D-22423 Hamburg                         e-mail  : eblock at nde.ag
> 
>        Vorsitzende des Aufsichtsrates: Angelika Mozdzen
>          Sitz und Registergericht: Hamburg, HRB 90934
>                  Vorstand: Jens-U. Mozdzen
>                   USt-IdNr. DE 814 013 983
> 
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