Roger that, thanks! I don't think we're very careful about which version we try to emulate. In practice it's "Whatever seems to work across the largest swatch of guest operating systems simultaneously".
If this comes up again, feel free to file against a specific guest OS that appears to be non-functioning. Thanks! --js -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1863441 Title: cmd_mode_sense always reports 0x70, no CDROM present Status in QEMU: New Bug description: cmd_mode_sense https://git.qemu.org/?p=qemu.git;a=blob;f=hw/ide/atapi.c;hb=refs/heads/master#l852 always reports 0x70 in byte 2 returned, indicating no CD-ROM present. If CD-ROM is present, should report 0x01 (or 0x11). If CD-ROM absent, should report 0x70. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1863441/+subscriptions