[Xen-users] Debian 9 and device model stub domains

[Brian Hoy <brian.hoy@xxxxxxxxxxx>]

Hi folks,

I've rebuilt a hypervisor system on Debian 9 and used the Debian Xen 
packages, however my Windows VM that uses device model stub domains will 
not start:
$ xl create /etc/xen/wlgpc105
Parsing config from wlgpc105
xc: error: panic: xc_dom_core.c:208: failed to open file 
'/usr/lib/xen-4.8/boot/ioemu-stubdom.gz': No such file or directory: 
Internal error
libxl: error: libxl_dom.c:709:libxl__build_pv: xc_dom_kernel_file 
failed: No such file or directory
libxl: error: libxl_dm.c:1932:stubdom_pvqemu_cb: error connecting nics 
devices: No such file or directory
libxl: error: libxl_create.c:1504:domcreate_devmodel_started: device 
model did not start: -3
libxl: error: libxl.c:1575:libxl__destroy_domid: non-existant domain 30
libxl: error: libxl.c:1534:domain_destroy_callback: unable to destroy 
guest with domid 30
libxl: error: libxl.c:1463:domain_destroy_cb: destruction of domain 30 
failed
Previously when I was running on Debian 8 with a hypervisor that I 
compiled myself, the ioemu-stubdom.gz file did exist. My preference 
would be to use the Debian Xen packages rather than manually compiling Xen.
Does Xen 4.8.1 on Debian 9 support device model stub domains?

If so, then presumably I'm missing a package or two with components to 
run stub domains, but I can figure out what that is. I have these installed:
$ dpkg -l | grep -e xen -e qemu
ii  grub-xen-bin 2.02~beta3-5                   amd64        GRand 
Unified Bootloader, version 2 (Xen binaries)
ii  grub-xen-host 2.02~beta3-5                   amd64        GRand 
Unified Bootloader, version 2 (Xen host version)
ii  ipxe-qemu 1.0.0+git-20161027.b991c67-1   all          PXE boot 
firmware - ROM images for qemu
ii  libxen-4.8:amd64 4.8.1-1+deb9u1                 amd64        Public 
libs for Xen
ii  libxenstore3.0:amd64 4.8.1-1+deb9u1                 amd64        
Xenstore communications library for Xen
ii  qemu-system-common 1:2.8+dfsg-6+deb9u2            amd64        QEMU 
full system emulation binaries (common files)
ii  qemu-system-x86 1:2.8+dfsg-6+deb9u2            amd64        QEMU 
full system emulation binaries (x86)
ii  qemu-utils 1:2.8+dfsg-6+deb9u2            amd64        QEMU utilities
ii  xen-hypervisor-4.8-amd64 4.8.1-1+deb9u1                 amd64        
Xen Hypervisor on AMD64
ii  xen-linux-system-amd64 4.9+80+deb9u1                  amd64        
Xen system with Linux for 64-bit PCs (dummy package)
ii  xen-system-amd64 4.8.1-1+deb9u1                 amd64        Xen 
System on AMD64 (meta-package)
ii  xen-tools 4.7-1                          all          Tools to 
manage Xen virtual servers
ii  xen-utils-4.8 4.8.1-1+deb9u1                 amd64        XEN 
administrative tools
ii  xen-utils-common 4.8.1-1+deb9u1                 all          Xen 
administrative tools - common files
ii  xenstore-utils 4.8.1-1+deb9u1                 amd64        Xenstore 
command line utilities for Xen
Any ideas? Many thanks.

Regards,
Brian


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