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Re: Request for patch to fix boot loop issue in Xen 4.17.6
- To: Ngamia Djabiri Julie <Julie.NgamiaDjabiri@xxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 12 May 2025 10:54:50 +0200
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Mon, 12 May 2025 08:54:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 03.05.2025 16:02, Ngamia Djabiri Julie wrote:
> Dear Xen developers,
>
> I would like to ask if the following fix can also be included in Xen 4.17.6
> (and eventually in the Xen versions after 4.17.6 that don't have the fix) :
>
> https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=dd05d265b8abda4cc7206b29cd71b77fb46658bf
>
> This bug causes a boot loop in nested virtualization environments (for
> instance nested environments that use VMware Workstation), making Xen unable
> to start. It was introduced in version 4.17.3 and the fix has already be
> included in 4.19(.2) and 4.20(.0) and woud be planned to be included in Xen
> 4.18.6 in the coming weeks.
>
> Even though Xen 4.17 is in security-only support, this is an issue that
> blocks testing and usage for users and projects such as Alpine Linux.
I fear I don't view this severe enough an issue to break the security-only
status of that branch. People concerned ought to simply update to a branch
where the bug was fixed. Or the distro could include a backport.
The underlying consideration being that once we start making exceptions,
more exceptions will be asked for, along the lines of ...
> I am a student using Xen in a nested setup for Virtal Machine Introspection
> (VMI), and including this fix in 4.17.6 would really help avoid these
> problems for others in a similar case.
... what you say here.
Jan
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