[Qemu-devel] regression: sata cdrom boot broken

[Gerd Hoffmann]

  Hi,

$subject says all.  Noticed while testing the upcoming seabios update.
Reproducer:

  qemu-system-x86_64 -M q35 -m 4G -cdrom 
Fedora-Workstation-Live-x86_64-28-1.1.iso

bisected to:

  commit 956556e131e35f387ac482ad7b41151576fef057
  Author: John Snow <address@hidden>
  Date:   Wed Jun 6 15:09:50 2018 -0400

    ahci: move PIO Setup FIS before transfer, fix it for ATAPI commands

cheers,
  Gerd