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Re: [Xen-devel] arm64, laxton[01] (was Re: [xen-unstable-smoke test] 133030: trouble: blocked/broken/pass)

Sorry the formatting.

On Tue, 12 Feb 2019, 20:26 Ian Jackson, <ian.jackson@xxxxxxxxxx> wrote:
Ian Jackson writes ("Re: [Xen-devel] arm64, laxton[01] (was Re: [xen-unstable-smoke test] 133030: trouble: blocked/broken/pass)"):
> And that part works.  It runs through d-i and thinks it has succeeded.
> But then when the host reboots it reboots into 3.16, not the backports
> kernel.
> Looking at the installer log:
>   2019-02-07 15:18:34 Z <13>Feb  7 15:18:34
>   base-installer: info: kernel linux-image-arm64 usable on arm64
> which is kind of weird.
> > So I think we can rule out a firmware bug.  Now, I am struggling to
> > understand why osstest is suddenly using 3.16.
> > Was there any change in osstest or the configuration?
> No.  I think something may be wrong with the way Debian is publishing
> the backports kernels.  I will ask...

Thanks, Julien, you have found enough for me to identify the problem.

According to snapshot.debian.org, at 2019-02-06T21:13:14, the file
mentioned linux-base version 4.3~bpo8+1.  Now, it doesn't mention
it at all.

This is presumably part of cruft removal, since jessie-security does
contain an even newer version, 4.5~deb8u1.

linux-image-4.9.* require newer linux-support than is available in
plain jessie.  As a result of all this, the installer removes the
4.9.x kernel because its dependencies can't be satisfied.  The machine
then tries to reboot into some much older kernel.

The osstest installer system does not use jessie-security and I think
there was some reason for this which I have forgotten right now.
Maybe the security repositories were awkward to cache - but nowadays
we have a different approach to this caching.

This may be related to [1]. I don't know whether the support status changed since then.

I will investigate putting <suite>-security back.

[1] https://xenbits.xen.org/gitweb/?p=osstest.git;a=commit;h=c14980b543ba057dcdd7a6c65d74a12cb4192034

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