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dd: IO Error: Invalid input #9003

@jmgibson1981

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@jmgibson1981

Ubuntu 25.10. Received this error when trying to create a Debian boot flash drive.

$ sudo dd if=debian-live-13.1.0-amd64-standard.iso of=/dev/sde oflag=direct bs=8M status=progress
dd: IO error: Invalid input

Using gnudd finished normally with the exact same command

$ sudo gnudd if=debian-live-13.1.0-amd64-standard.iso of=/dev/sde oflag=direct bs=8M status=progress

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