[Qemu-devel] [Bug 1723161] Re: Migration failing in qemu-2.10.1 but working qemu-2.9.1 and earlier with same options

[Dr. David Alan Gilbert]

I can reproduce this:

./x86_64-softmmu/qemu-system-x86_64 -nographic -M q35 -drive
id=d,file=/home/vmimages/dummy1,if=none,readonly -device virtio-
blk,id=vb1,drive=d -drive
if=pflash,format=raw,unit=0,file=/usr/share/edk2/ovmf/OVMF_CODE.secboot.fd,readonly
-drive if=pflash,format=raw,unit=1,file=vars1.fd

to:
./x86_64-softmmu/qemu-system-x86_64 -M q35 -nographic -drive 
id=d,file=/home/vmimages/dummy2,if=none,readonly -device 
virtio-blk,id=vb1,drive=d -drive 
if=pflash,format=raw,unit=0,file=romfile,readonly -drive 
if=pflash,format=raw,unit=1,file=vars2.fd -incoming tcp::4444

then
migrate -d -b tcp:0:4444

note I copied the vars file and rom file  separately so it's not a
locking issue

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1723161

Title:
  Migration failing in qemu-2.10.1 but working qemu-2.9.1 and earlier
  with same options

Status in QEMU:
  New

Bug description:
  
  Qemu-2.10.1 migration failing with the following error:
  Receiving block device images
  qemu-system-x86_64: error while loading section id 2(block)
  qemu-system-x86_64: load of migration failed: Input/output error

  Migration is setup on the destination system of the migration using:
  -incoming tcp:0:4444

  Migration is initiated from the source using the following commands in its 
qemu monitor:
  migrate -b "tcp:localhost:4444"

  The command-line used in both the source and destination is:
  qemu-system-x86_64 \
          -nodefaults \
          -pidfile vm0.pid \
          -enable-kvm \
          -machine q35 \
          -cpu host -smp 2 \
          -m 4096M \
          -drive if=pflash,format=raw,unit=0,file=OVMF_CODE.fd,readonly \
          -drive if=pflash,format=raw,unit=1,file=OVMF_VARS.fd \
          -drive file=${HDRIVE},format=qcow2 \
          -drive media=cdrom \
          -usb -device usb-tablet \
          -vga std -vnc :0 \
          -net nic,macaddr=${TAPMACADDR} -net 
user,net=192.168.2.0/24,dhcpstart=192.168.2.10 \
          -serial stdio \
          -monitor unix:${MONITORSOCKET},server,nowait

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1723161/+subscriptions