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Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode

Cross-posted to 2 groups.

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Hi jgfrm,

On 01/06/2018 06:41 PM, jgfrm wrote:
> Package: linux-image-4.9.0-5-amd64
> Severity: important
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
> Upgrade of linux-image-4.9.0-3-amd64 to linux-image-4.9.0-5-amd64
> 
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
> Disable hvm guest boot in hypervisor
> 
>    * What was the outcome of this action?
> Guest boots in pv mode
>    * What outcome did you expect instead?
> Use hvm mode in guest config file, such that guest boots in hvm mode
> 
> *** End of the template - remove these template lines ***
> 
> 
> -- System Information:
> Debian Release: 8.10
>   APT prefers oldstable
>   APT policy: (500, 'oldstable')
> Architecture: amd64 (x86_64)
> 
> Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> 

The first step here is to collect more information. Things that are or
are not working with Xen setups can be difficult to track down, since it
can be related to any combination of anything like hardware, hypervisor,
dom0, domU etc...

From your description I guess that changing domU from
linux-image-4.9.0-3-amd64 to linux-image-4.9.0-5-amd64 while all other
things remain the same caused the issue. Is that right?

----

I see you're using Debian Release: 8.10, which might imply Xen 4.4 and
the jessie kernel for the dom0.

As seen from the dom0, can you please reply with `uname -a`, `xen info`
and `lspci -v` output.

Since the domU is running linux-image-4.9.0-5-amd64 that can only mean
it's the kernel update just done, which is version 4.9.65-3+deb9u2

When reporting kernel versions, note that the package name and the
actual version can be different. So please always include the real
package version, like 4.9.65-3 or whatever in case of
linux-image-4.9.0-4-amd64.

Anything you could do yourself to narrow down the issue would help.

With enough information, someone else might be able to reproduce the
same situation and confirm the issue.

Hans van Kranenburg

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Thread

Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode jgfrm <frm@gordijn.org> - 2018-01-06 19:30 +0100
  Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode Hans van Kranenburg <hans@knorrie.org> - 2018-01-07 00:10 +0100
  Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode Hans van Kranenburg <hans@knorrie.org> - 2018-01-07 00:40 +0100
    Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode "frm" <frm@gordijn.org> - 2018-01-07 01:00 +0100
  Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode Michael Stone <mstone@debian.org> - 2018-01-07 18:50 +0100
    Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in HVM mode Hans van Kranenburg <hans@knorrie.org> - 2018-01-07 20:00 +0100
      Bug#886491: linux-image-4.9.0-5-amd64: Does not boot as Xen guest in PVH mode Michael Stone <mstone@debian.org> - 2018-01-07 20:50 +0100

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