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Re: [Xen-users] GRUB2 randomly works on some hosts but not others?

Grub2 doesnt have an offical release as far as I can tell, everything i've found says to grab it from git. Even the xen blog about it says that. Distros running grub2 these days are also running a beta.

It's not dumping me to a Dom0 prompt, thats me existing the console.

I'm starting to think this may be memory related. I've tested this on a couple hosts with less than 32GB of RAM in them and grub2 seams to work on them. Anything with 32 or more GB seams to fail... least so far.


------ Original Message ------
From: "Sarah Newman" <srn@xxxxxxxxx>
To: "Shaun Reitan" <shaun.reitan@xxxxxxxxxxx>; xen-users@xxxxxxxxxxxxx
Sent: 9/10/2015 11:51:30 AM
Subject: Re: [Xen-users] GRUB2 randomly works on some hosts but not others?

On 09/10/2015 10:12 AM, Shaun Reitan wrote:

This works fine on some of our hosts, but then just seams to hang on others. When starting the guest i see the following...

 [root@devhostxxx ~]# xm create -c /home/username/vs.config
 Using config file "/home/username/vs.config".
 Started domain username (id=34)
                                  [root@devhostxxx ~]#

 Then it just hangs from their.

These hosts are CentOS 6 using the CentOS-Xen RPMS. Hosts are running Xen version 4.4.1-8el6 and still using xend with xm commands

Any idea what may be going on here? Or how i should go about debugging this issue?

Are you trying to do testing of grub2, is that why you're checking out from git and building off of master instead of using a release?

That doesn't look like a hang if it's returning you to the dom0 prompt, it looks like a crash. Have you looked in xm dmesg or in any of the xen logs?

If you want help on why it hangs on some physical servers and not others, you need to provide details on how the physical servers differ.

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