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<think>
Alright, I'm trying to figure out whether this qemu-img resize issue is a user-mode or system-mode problem. So the user reported that using `qemu-img resize -f qcow2` produces broken disk images. They provided steps where resizing before converting works but converting first then resizing doesn't.
First, I need to understand what's happening here. When they resize a raw image and then convert it to qcow2, everything works fine. But when they convert to qcow2 first and then resize, the resulting image is broken—no partitions detected, VM crashes.
I know that qcow2 is a more complex format with features like sparse files and copy-on-write. Resizing might affect how these are handled. Maybe resizing after conversion isn't correctly updating some metadata in the qcow2 file.
The issue seems to be about how qemu-img handles resizing for different formats, specifically qcow2. Since it's related to image manipulation rather than VM execution, I think it's more about the tools that manage the images, which would fall under user-mode because it doesn't involve the hypervisor or virtualized hardware directly.
So this is likely a bug in qemu-img when resizing qcow2 files, which affects how the image metadata is handled. Therefore, it should be classified as a user-mode issue.
</think>
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