Hi Joshua, On Thu, 25 Jun 2026 21:14:31 -0700, Joshua <[email protected]> wrote: > This is a strange one. The version of dosbox-x itself appears to have not > changed, but the packaging has. It stopped being possible to mount a disk > that doesn't devide evenly into sectors, heads, and cylinders (which will > typically be the case for a disk of an even number of GB in size). > > Previously, using int 13h, ah=42h,43h,48h the entire disk would be > accessible despite what the geometry says. Now, the disk is clamped to its > geometry, cutting off the last sectors (which may be a lot). > > This is incredibly frustrating as I currently posess the only working > FAT disk check that doesn't do the stupid thing on SSDs; and its own FAT32 > unit tests can't be ran using dosbox-x anymore because of this bug. > > The upstream version of dosbox-x has very recent changes to it to disk > size handling; but the version here is clearly last year's version.
That is indeed strange. Could you clarify which versions of dosbox-x worked, and which ones don’t? Or are you saying that version 2025.02.01+dfsg-3 (the only one released in Debian 13) used to work, and stopped for some unknown reason? Are your FAT32 tests available anywhere? Regards, Stephen
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