[Pkg-xen-devel] Regression in Qemu 1:5.0-6 / 1:3.1+dfsg-8+deb10u6 for Xen/HVM

[Hans van Kranenburg]

Actually,

On 7/20/20 5:35 PM, Hans van Kranenburg wrote:
> Hi all,
> 
> tl;dr: When using HVM, stay at, or downgrade qemu to:
> - unstable: 1:5.0-8

Sorry, I messed up the numbers. It was introduced in -6, which is in
testing now. So, downgrade to 1:5.0-5 when using HVM in Debian testing
and experiencing problems.

https://snapshot.debian.org/package/qemu/

> - stable: 1:3.1+dfsg-8+deb10u5
> 
> In the previous week there has been debugging going on around a report
> of failing to start HVM guests with the qemu update in Debian unstable.

Relevant debian bug:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=964793

> Today it was discovered that the same issue had leaked to Debian stable
> in the last security update.
> 
> The cause has been found now, and a regression update is in the works.

Package for unstable has been uploaded:
https://tracker.debian.org/news/1161486/accepted-qemu-150-11-source-into-unstable/

https://salsa.debian.org/qemu-team/qemu/-/commit/ed2513350be80b068e37c2e03b6261ad77439ea0

Proposed fix for upstream:
https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05886.html

Stable security regression update will follow.

Hans