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tryauuum
on April 24, 2023
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QEMU 8.0
experimental VFIO migration? I guess this will make easier to migrate a VM with GPU workload from host to host without interrupting it
CoastalCoder
on April 24, 2023
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Are there GPUs that allow enough internal state to be dumped / reloaded for a migration like that to work?
(I'm asking from pure ignorance.)
monocasa
on April 24, 2023
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You can do it in the vfio driver by just keeping the bookkeeping information around as resources are created.
tryauuum
on April 24, 2023
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I'm also ignorant about this topic, but it's certainly accomplishable. There's a (quite old) video with demonstration:
https://youtu.be/jjkcPn19fcs
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