[CentOS-virt] Xen C6 kernel 4.9.13 and testing 4.9.15 only reboots.

Wed Mar 29 00:44:58 UTC 2017
Alvin Starr <alvin at netvel.net>

I ran into this also.

back up to an older kernel. At least that was my solution till a kernel 
came out that would boot.

It seems that some kernel builds are not friendly to xen.

On 03/28/2017 05:55 PM, PJ Welsh wrote:
> The mystery gets more interesting... I now have a CentOS 7.3 Dell R710 
> server doing the exact same thing of rebooting immediately after the 
> Xen kernel load. Just to note this is a second system and not just the 
> first system with an update. I hope I'm not introducing something odd. 
> They only "interesting" thing I have done for historical reasons is to 
> change the following /etc/sysconfig/grub line:
> GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=6G,max:8G cpuinfo com1=115200,8n1 
> console=com1,tty loglvl=all guest_loglvl=all"
> But I've done that on other servers without issue. In fact I have a 
> Dell R710 that DOES work with CentOS 7 and the new kernel... so confused.
> On Fri, Mar 24, 2017 at 1:44 PM, Sarah Newman <srn at prgmr.com 
> <mailto:srn at prgmr.com>> wrote:
>     On 03/24/2017 11:35 AM, PJ Welsh wrote:
>     > As a follow up I was able to test fresh install on Dell R710 and
>     a Dell
>     > R620 with success on CentOS 7.3 without issue on the new
>     kernel.  My new
>     > plan will be to just move this C6 to one of the C7 I just created.
>     That sounds like a compiler problem, since I think the C6 and C7
>     kernels are built from the same source.
>     --Sarah
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Alvin Starr                   ||   voice: (905)513-7688
Netvel Inc.                   ||   Cell:  (416)806-0133
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