Must set the ATAPI device signature, see ACS-2 7.36.6 Outputs for PACKET feature set devices.
Signed-off-by: Markus Armbruster <arm...@redhat.com> --- hw/ide/core.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/hw/ide/core.c b/hw/ide/core.c index fa50692..f96ebf2 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -958,8 +958,10 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) lba48 = 1; case WIN_READ: case WIN_READ_ONCE: - if (!s->bs) + if (s->drive_kind == IDE_CD) { + ide_set_signature(s); goto abort_cmd; + } ide_cmd_lba48_transform(s, lba48); s->req_nb_sectors = 1; ide_sector_read(s); -- 1.7.2.3