[virt-tools-list] [PATCH v1] virtinst: set preserve when on_crash in s390x

Leno Hou lenohou at gmail.com
Tue May 10 16:16:24 UTC 2016

On Tue, May 10, 2016 at 11:48 PM, Cole Robinson <crobinso at redhat.com> wrote:

> On 05/10/2016 09:24 AM, Leno Hou wrote:
> > When booting from empty disk image or none bootdev, its leads
> > system IPL enter into infinite loop with message on s390x.
> > This patch sets preserve when on_crash to avoid the loop.
> >
> Is this correct behavior, or is this a qemu or guest OS bug? If it's
> something
> that's going to be fixed eventually I'd rather not add it to virtinst. Is
> there a bug report somewhere I can look at?

described in below.

1. qemu-img create -f qcow2 /var/lib/libvirt/images/sle.qcow2 20G

2. cat sle1.xml
[root at ltczhp20 ~]# cat sle.xml
    <type arch='s390x' machine='s390-ccw-virtio-2.6'>hvm</type>
    <boot dev='hd'/>
  <clock offset='utc'/>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2'/>
      <source file='/var/lib/libvirt/images/sle.qcow2'/>
      <target dev='vda' bus='virtio'/>
      <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
    <disk type='file' device='cdrom'>
      <driver name='qemu' type='raw'/>
      <target dev='sda' bus='scsi'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>

3. virsh create sle1.xml

4. virsh start sle1 --console

infinite loop message:


              Using guessed DASD geometry.
Using ECKD scheme (block size  4096), CDL
! No zIPL section in IPL2 record. !

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