id = 1055
title = "QEMU does not close listening socket for incoming migration when post-copy migration breaks"
state = "closed"
created_at = "2022-06-02T15:04:38.993Z"
closed_at = "2024-12-18T13:34:03.970Z"
labels = ["Migration"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1055"
host-os = "Fedora 35"
host-arch = "x86_64"
qemu-version = "7.0.0"
guest-os = "RHEL 7.8"
guest-arch = "x86"
description = """QEMU keeps listening on the incoming port even after breaking a post-copy
migration using "migrate-pause" QMP command. And even once migration is
finished after recovering it "migrate-recover" using a different port number.
If "migrate-recover" is called with a URI specifying the original port (which
is still in LISTEN state), QEMU reports "Failed to find an available port:
Address already in use"."""
reproduce = """1. start migration
2. wait for the first iteration to finish
3. switch to post-copy using "migrate-start-postcopy"
3. break migration with "migrate-pause"
4. check lsof -p $QEMU_PID"""
additional = """"""