Re: [Xen-devel] 4.7 qemu regression: HVM guests fail to boot from xvda

[Olaf Hering <olaf@xxxxxxxxx>]

On Wed, Jun 01, Olaf Hering wrote:

> Here is a list. Essentially it means that upgrading dom0 to xen-4.7
> might break existing domU if they happen to use xvd* in domU.cfg:

Actually the list goes like shown below after some real testing.
Now sure why xvd/qemu-xen/raw|qcow2 fails with our 4.5.2 based dom0.
In the end the regression remains in xvd+qemu-xen.

tool_ver  vdev_str  qemu   format  usable  bootable
xen-4.5     xvd     qtrad    raw    yes     no
xen-4.5     xvd     qtrad   qcow2   no      -
xen-4.5     xvd     qmain    raw    yes     SUSE:no, staging:yes
xen-4.5     xvd     qmain   qcow2   yes     SUSE:no, staging:yes
xen-4.5     hd      qtrad    raw    yes     yes
xen-4.5     hd      qtrad   qcow2   no      -
xen-4.5     hd      qmain    raw    yes     yes
xen-4.5     hd      qmain   qcow2   yes     yes


xen-4.6     xvd     qtrad    raw    yes     no
xen-4.6     xvd     qtrad   qcow2   no      -
xen-4.6     xvd     qmain    raw    yes     yes
xen-4.6     xvd     qmain   qcow2   yes     yes
xen-4.6     hd      qtrad    raw    yes     yes
xen-4.6     hd      qtrad   qcow2   no      -
xen-4.6     hd      qmain    raw    yes     yes
xen-4.6     hd      qmain   qcow2   yes     yes


xen-4.7     xvd     qtrad    raw    yes     no
xen-4.7     xvd     qtrad   qcow2   no      -
xen-4.7     xvd     qmain    raw    yes     no
xen-4.7     xvd     qmain   qcow2   yes     no
xen-4.7     hd      qtrad    raw    yes     yes
xen-4.7     hd      qtrad   qcow2   no      -
xen-4.7     hd      qmain    raw    yes     yes
xen-4.7     hd      qmain   qcow2   yes     yes

Olaf

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