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From: | Michael Tokarev |
Subject: | Re: qemu broke booting of old RedHat floppies |
Date: | Wed, 20 Jan 2021 19:02:51 +0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 |
And one more followup to my own email. As I didn't remember what's the std size of 144M floppy image I weren't able to check, but the file size looked suspectably for me at the very beginning. And indeed, std 144M floppy is smaller than that. After truncating the file to 1440*1024 bytes it works fine. The extra content seem not to belong to the image itself and were added by something on the way to the archive page. So this issue ended up as being a non-issue. One thing still bothers me:
$ qemu-system-x86_64 \ -drive file=RedHatLinuxBootDisk521998.disk1of1.img,if=none,id=d,format=raw \ -device floppy,drive=d,type=144 But it fails: qemu-system-x86_64: -device floppy,drive=d,type=144: Insufficient permission to perform this operation
This same error message is returned after truncating the image to 1440*1024 bytes. By current qemu 5.2. Why? Thanks, /mjt
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