On 09.01.20 20:12, Alberto Garcia wrote: > The qcow2 header specifies the virtual size of the image in bytes, but > BlockDriverState stores it as a number of 512-byte sectors. > > If the user tries to create an image with a size that is not a > multiple of the sector size then this is fixed on creation by > silently rounding the image size up (see commit c2eb918e32). > qcow2_co_truncate() is more strict and returns an error instead. > > However when an image is opened the virtual size is rounded down, > which means that trying to access the last few advertised bytes will > result in an error. As seen above QEMU cannot create such images and > there's no good use case that would require us to try to handle them > so let's just treat them as unsupported.
But isn’t that just a bug in qemu? Max
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