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+id = 932
+title = "Snapshot created with 6.2.0 cannot be loaded with 7.0.0-rc1"
+state = "closed"
+created_at = "2022-03-23T12:00:49.938Z"
+closed_at = "2022-04-06T20:29:09.281Z"
+labels = ["Migration", "Regression"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/932"
+host-os = "Proxmox VE 7.1 (but using upstream QEMU builds throughout this report)"
+host-arch = "x86"
+qemu-version = "QEMU emulator version 6.2.91 (v7.0.0-rc1)"
+guest-os = "n/a"
+guest-arch = "n/a"
+description = """Loading the snapshot will fail with:
+
+````
+qemu-system-x86_64: Missing section footer for 0000:00:01.3/piix4_pm
+qemu-system-x86_64: Error -22 while loading VM state
+````"""
+reproduce = """1. Start VM with `6.2.0`.
+2. Create a snapshot `takenwith620` with `snapshot-save` QMP command.
+3. Stop VM and try to load snapshot with `v7.0.0-rc1`."""
+additional = """Bisecting led to `5ead62185d ("memory: Make memory_region_is_mapped() succeed when mapped via an alias")`, but reverting that alone wasn't enough, so I continued and got to `7c0fa8dff8 ("pcie: Add support for Single Root I/O Virtualization (SR/IOV)")`. Only reverting both seems to fix the issue."""