[PATCH 1/1] UBUNTU: expose the debian changelog version number via the kernel build number

[Tim Gardner]

Andy Whitcroft wrote:
> We currently expose the Ubuntu ABI via the basic kernel version
> number (in /proc/version and uname) and expose the full version via
> /proc/version_signature.  We do this to maintain stability in the naming
> of our modules simplifying external module updates.  But this does mean
> that the normal version is lacking some information needed to directly
> identify the actual build, both to normal tools and more importantly in
> the Oops/panic output:
> 
>   $ cat /proc/version
>   Linux version 2.6.27-10-generic (root at dm) (gcc version 4.3.2 (Ubuntu
>          4.3.2-1ubuntu11) ) #1 SMP Mon Dec 1 17:56:07 GMT 2008
>   $ cat /proc/version_signature
>   Ubuntu 2.6.27-10.21~lp276943apw1-generic
> 
> This patch additionally exposed the version suffix via the 'version'
> field, the #1 SMP <date> section above as below.  This exposes the
> upload number plus and relative updates:
> 
>   $ cat /proc/version
>   Linux version 2.6.27-10-generic (root at dm) (gcc version 4.3.2 (Ubuntu
>          4.3.2-1ubuntu11) ) #21~lp276943apw1 SMP Mon Dec 1 17:56:07 GMT 2008
> 
> This has the advantage that the oops reporter also reports the the
> beginning of this field (up to the first space) as part of a panic so
> they would then look like the below which should aid kernel
> identification:
> 
>   Pid: 2847, comm: grub Not tainted 2.6.27-10-generic #21~lp276943apw1
> 
> For autobuilder generated builds we also add a -Ubuntu suffix indicating
> they are offical releases.  This also appears with the upload number in
> oopses.
> 
>   Pid: 2847, comm: grub Not tainted 2.6.27-10-generic #21-Ubuntu
> 
> This may be enough for kerneloops to know they are ours.
> 
> Signed-off-by: Andy Whitcroft <apw at canonical.com>
> ---
>  debian/rules.d/0-common-vars.mk |    9 ++++++++-
>  debian/rules.d/1-maintainer.mk  |    1 +
>  2 files changed, 9 insertions(+), 1 deletions(-)
> 

Applied - with some extra stuff to fix debian/scripts/misc/getabis. Will
push as soon as build testing is done.

-- 
Tim Gardner tim.gardner at canonical.com