On 02/19/2018 10:24 AM, James Barrett wrote: > I keep getting these warnings with a message to send email to > qemu-devel@nongnu.org > > here is the command I am using: > > qemu-system-i386 -hda bbs.hd -fda bbs.fd -hdb fat:rw:dist > > > Host OS is Ubunti 17.10, guest OS is MS-DOS 6.22 >
What version of QEMU? > > > WARNING: Image format was not specified for 'bbs.hd' and probing guessed > raw. > Automatically detecting the format is dangerous for raw images, > write operations on block 0 will be restricted. > Specify the 'raw' format explicitly to remove the restrictions. > WARNING: Image format was not specified for 'bbs.fd' and probing guessed > raw. > Automatically detecting the format is dangerous for raw images, > write operations on block 0 will be restricted. > Specify the 'raw' format explicitly to remove the restrictions. > vvfat dist chs 1024,16,63 > WARNING: Image format was not specified for 'json:{"fat-type": 0, "dir": > "dist", "driver": "vvfat", "floppy": false, "rw": true}' and probing > guessed raw. > Automatically detecting the format is dangerous for raw images, > write operations on block 0 will be restricted. > Specify the 'raw' format explicitly to remove the restrictions. All of the above is "fine," but occurs because you use the -hda and -fda shorthands to load raw files. The more explicit syntax looks like this: -drive if=none,format=raw,file=bbs.hd,id=foo -device ide-hd,drive=foo with that "format=raw" parameter there you'll avoid all those warnings. > unknown keycodes `(unnamed)', please report to qemu-devel@nongnu.org > This part is the only part that urges you to report the error, but I don't know much about what's going on here. Maybe Gerd knows? --js