Fixed here: https://git.qemu.org/?p=qemu.git;a=commitdiff;h=f602d047ac21
** Changed in: qemu Status: New => Fix Released -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1869426 Title: 5.0rc0->4.2 serial migraiton Status in QEMU: Fix Released Bug description: Migrating from 5.0rc0->4.2 with pc-q35-4.2 we get an error: Unknown savevm section or instance 'serial' 1 dumping the migration streams it looks like 5.0 is duplicating the serial migration data: "serial (26)": { "divider": "0x000c", "rbr": "0x00", "ier": "0x00", "iir": "0x01", "lcr": "0x00", "mcr": "0x00", "lsr": "0x60", "msr": "0xb0", "scr": "0x00", "fcr_vmstate": "0x00" }, "serial (27)": { "state": { "divider": "0x000c", "rbr": "0x00", "ier": "0x00", "iir": "0x01", "lcr": "0x00", "mcr": "0x00", "lsr": "0x60", "msr": "0xb0", "scr": "0x00", "fcr_vmstate": "0x00" } }, To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1869426/+subscriptions