Migrating a HVM guest from staging-4.4 to staging fails:
# cat /var/log/xen/qemu-dm-fv-x64-sles12sp1-clean--incoming.log
char device redirected to /dev/pts/3 (label serial0)
xen: ioreq server create: Cannot allocate memory
qemu-system-x86_64: xen hardware virtual machine initialisation failed
Looks like hvm_alloc_ioreq_gmfn finds no bit in
d->arch.hvm_domain.ioreq_gmfn.mask. Is there a slim change that 4.4 does not
know about HVM_PARAM_NR_IOREQ_SERVER_PAGES, and as a result 4.7 fails to
configure the guest properly?
domU.cfg looks like this:
name="x"
memory=256
serial="pty"
builder="hvm"
boot="cd"
disk=[
'file:/disk0.raw,hda,w',
'file:/some.iso,hdc:cdrom,r',
]
vif=[
'bridge=br0'
]
keymap="de"
vfb = [
'type=vnc,vncunused=1,keymap=de'
]
usb=1
usbdevice='tablet'
Olaf
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