Re: [Xen-devel] [Pkg-xen-devel] Bug#695056: xen - Missing support for XZ compressed bzimage kernels

[Ian Campbell <ijc@xxxxxxxxxxxxxx>]

On Wed, 2012-12-19 at 11:33 +0000, Jan Beulich wrote:
> >>> On 04.12.12 at 11:12, Ian Campbell <ijc@xxxxxxxxxxxxxx> wrote:
> > On Tue, 2012-12-04 at 09:51 +0000, Jan Beulich wrote:
> >> >>> On 04.12.12 at 10:33, Ian Campbell <ijc@xxxxxxxxxxxxxx> wrote:
> >> > On Mon, 2012-12-03 at 19:47 +0100, Bastian Blank wrote:
> >> >> Package: src:xen
> >> >> Version: 4.1.3-4
> >> >> Severity: serious
> >> >> 
> >> >> The bzimage loader used in both libxc and the hypervisor lacks XZ
> >> >> support. Debian kernels since 3.6 are compressed with XZ and can't be
> >> >> loaded.
> >> >> 
> >> >> Support for XZ compression was added in changeset 23002:eb64b8f8eebb
> >> >> somewhere last year.
> >> > 
> >> > Indeed. Jan this would be a good candidate for a future 4.1.x I think
> >> > (it was already in 4.2.0).
> >> 
> >> Hmm, I'm not really convinced - we're at 4.1.4 (I'm looking
> >> towards an RC2 followed by a release within the next days),
> >> and doing a feature addition like this in a .5 stable release
> >> looks questionable to me in the context of how we managed
> >> stable updates in the past. But I'm open to be outvoted of
> >> course...
> > 
> > My thinking was that it is a reasonably self contained patch (most of
> > the code is the new files) and without it people won't be able to use
> > 4.1.x with their distro kernels at all, so it's something between a bug
> > fix and a new feature.
> 
> Just did this on the hypervisor side (i.e. for Dom0). Unless told
> otherwise I'm going to assume that IanJ will take care of the
> DomU (tools side) part.

Which FWIW is 23002:eb64b8f8eebb but it very likely requires portions of
23021:da7c950772ed, 23322:d9982136d8fa and 26115:37a8946eeb9d which are
fixes (some security sensitive) in that code.

Ian.

-- 
Ian Campbell
Current Noise: Katatonia - The Longest Year

Staff meeting in the conference room in %d minutes.


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