Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.kernel > #61428

Bug#903934: regression: 3.16.57-2 fails to boot libvirt guests on Xeon E3-1225

Cross-posted to 2 groups.

Show all headers | View raw

[Multipart message — attachments visible in raw view] - view raw

On Mon, 2018-07-16 at 21:57 +0100, François Guerraz wrote:
> Package: src:linux
> Version: 3.16.57-2
> Severity: important
> 
> 
> After upgrading linux-image-3.16.0-6-amd64 (3.16.57-2) over (3.16.56-
> 1+deb8u1) on a VM host and its guests, the guests were not able to
> boot-up any more (see Guest Kernel Log below).
> 
> I found a workaround which is to change the cpu of the host from 
>   <cpu mode='host-model'>
>     <model fallback='allow'/>
>   </cpu>
> to
>   <cpu mode='custom' match='exact'>
>     <model fallback='allow'>SandyBridge</model>
>   </cpu>
[...]

Do you have the current intel-microcode installed on the VM host? 
(This shouldn't happen in either case, but it may help to track down
the bug.   I originally tested on a desktop Sandy Bridge system with
the updated microcode installed.)

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

Back to linux.debian.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Bug#903934: regression: 3.16.57-2 fails to boot libvirt guests on Xeon E3-1225 François Guerraz <kubrick@fgv6.net> - 2018-07-16 23:10 +0200
  Bug#903934: regression: 3.16.57-2 fails to boot libvirt guests on Xeon E3-1225 Ben Hutchings <ben@decadent.org.uk> - 2018-07-17 02:10 +0200
    Bug#903934: regression: 3.16.57-2 fails to boot libvirt guests on Xeon E3-1225 François Guerraz <kubrick@fgv6.net> - 2018-07-17 09:50 +0200
  Bug#903934: regression: 3.16.57-2 fails to boot libvirt guests on Xeon E3-1225 Chenwqin <chenwqin@gmail.com> - 2018-07-30 04:50 +0200

csiph-web