Patch 1 would help in debugging this issue. Patch 2 fixes the bug.
Peter Krempa (2):
qemu: hotplug: Add debug log when dispatching device removal to
existing thread
qemu: hotplug: Reset device removal waiting code after vCPU unplug
src/qemu/qemu_hotplug.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
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2.12.0