Re: Compiling Xen from source

["Roger Pau Monné" <roger.pau@citrix.com>]

On 10/06/13 17:41, Joshua Tuttle wrote:
> Hey,
> 
>  
> 
> I am new to both Xen and development in general and am running into some
> issues when trying to compile and install from source.
> 
> I have already been able to get Xen installed and working using apt-get,
> but since I want to be able to edit the source code, this will not
> 
> Be an option for install.

I guess you removed the Xen packages that you installed with apt-get
before installing from source, right?

> 
>  
> 
> The first thing I noticed that was quite a bit different from installing
> from the package manager, was the difference in entries shown in grub.
> 
> When I installed Xen using apt-get, all I had was one entry for Xen in
> grub, which I would use this command to have it be default.
> 
>  
> 
> “dpkg-divert –divert /etc/grub.d/08_linux_xen –rename
> /etc/grub.d/20_linux_xen”
> 
>  
> 
> Now when installing from source, there are several entries, where only a
> couple of them will actually work.
>
>  
> 
> After Xen is installed, I typically run the “xl info” command to ensure
> its running. However, when I try to run it after being compiled from
> source, I
> 
> Get this error:
> 
>  
> 
> “libxl: error: libxl.c:87: libxl_ctx_alloc: Is Xenstore daemon running?
> 
> Failed to stat /var/run/xenstored.pid
> 
> No such file or directory
> 
> Cannot init xl content”
> 
>  
> 
> I checked and that directory does not exist, but was able to start Xen
> manually by running xencommons in /etc/init.d
> 
>  
> 
> The problem with manually starting it though, is that it causes my
> terminal to quit echoing my input.

This is a Qemu problem that I think was solved in recent versions. "stty
sane" used to resolve this issue.

>  
> 
> What do I need to do to resolve this error, and get Xen to automatically
> start?

# update-rc.d xencommons defaults