id = 1231
title = "Loading migration of VM in debug state fails (with potential solution)"
state = "opened"
created_at = "2022-09-26T20:53:16.933Z"
closed_at = "n/a"
labels = ["Migration"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1231"
host-os = "N/A"
host-arch = "N/A"
qemu-version = "7.1.0"
guest-os = "N/A"
guest-arch = "N/A"
description = """```
qemu-system-x86_64: invalid runstate transition: 'inmigrate' -> 'debug'
Aborted (core dumped)
```"""
reproduce = """1. Start VM with gdbstub
2. Pause VM via gdbstub
3. Save migration snapshot via HMP: `migrate "exec: gzip -c > foo.gz"`
4. Start new QEMU instance from snapshot by adding these args to whatever you used to launch QEMU: `-incoming "exec: gzip -c -d foo.gz"`"""
additional = """This can be fixed by adding `{ RUN_STATE_INMIGRATE, RUN_STATE_DEBUG },` to `runstate_transitions_def` in `softmmu/runstate.c`. It's not clear if there are any negative ramifications of this, but it seems to work for me?"""