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Re: [libvirt] [Xen-devel] dom0 kenrel crashes for openstack + libvirt + libxl



On Fri, 2014-11-21 at 14:32 +0000, Ian Campbell wrote:

I've now built and tested this with the 1.2.9 Debian package, works like
a charm...

> From 9f2d8da8264b426f54b92378e9e00973694193d4 Mon Sep 17 00:00:00 2001
> From: Ian Campbell <ian campbell citrix com>
> Date: Fri, 21 Nov 2014 14:00:38 +0000
> Subject: [PATCH] libxl: Allow libxl to find pygrub binary.
> 
> Specifying an explicit path to pygrub (e.g. BINDIR "/pygrub") only works if
> Xen and libvirt happen to be installed to the same prefix. A more flexible
> approach is to simply specify "pygrub" which will cause libxl to use the
> correct path which it knows (since it is built with the same prefix as pygrub).
> 
> This is particular problematic in the Debian packaging, since the Debian Xen
> package relocates pygrub into a libexec dir, however I think this change makes
> sense upstream.
> 
> Signed-off-by: Ian Campbell <ian campbell citrix com>
> ---
>  .gnulib                |    2 +-
>  src/libxl/libxl_conf.h |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/.gnulib b/.gnulib
> index 9565c3b..2d28074 160000
> --- a/.gnulib
> +++ b/.gnulib
> @@ -1 +1 @@
> -Subproject commit 9565c3be73eb6d76b7b42a21d68d2e00a62abb6d
> +Subproject commit 2d280742a9e30088aa169f53353765d5daafe4c0
> diff --git a/src/libxl/libxl_conf.h b/src/libxl/libxl_conf.h
> index 25f77ea..d7a3971 100644
> --- a/src/libxl/libxl_conf.h
> +++ b/src/libxl/libxl_conf.h
> @@ -53,7 +53,7 @@
>  # define LIBXL_LIB_DIR LOCALSTATEDIR "/lib/libvirt/libxl"
>  # define LIBXL_SAVE_DIR LIBXL_LIB_DIR "/save"
>  # define LIBXL_DUMP_DIR LIBXL_LIB_DIR "/dump"
> -# define LIBXL_BOOTLOADER_PATH BINDIR "/pygrub"
> +# define LIBXL_BOOTLOADER_PATH "pygrub"
>  
>  /* libxl interface for setting VCPU affinity changed in 4.5. In fact, a new
>   * parameter has been added, representative of 'VCPU soft affinity'. If one



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