Re: Xen C6 kernel 4.9.13 and testing 4.9.15 only reboots.

[Alvin Starr <alvin@xxxxxxxxxx>]

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@xxxxxxxxx> 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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