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[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (

From: Laszlo Ersek \(Red Hat\)
Subject: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)
Date: Tue, 19 Sep 2017 19:20:19 -0000


[edk2] [PATCH 0/3] OvmfPkg/QemuVideoDxe/VbeShim: handle PAM1 register on
Q35 correctly


I CC'd Aleksei on the series, but testing is welcome from anyone. (The
cover letter at the link contains a git fetch URL.)

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  Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Status in QEMU:

Bug description:
  Qemu version: 2.10 stable.
  Guest: Windows 7 SP1 x64, virtio drivers are already installed in the guest.
  Command line:
  qemu-system-x86_64 \
      -nodefaults \
      -nodefconfig \
      -machine type=q35,accel=kvm \
      -enable-kvm \
      -cpu host \
      -m 2048 \
      -vga virtio \
      -boot menu=on \
      -smbios file=/path/dmidecode_BIOS.bin \
      -acpitable file=/path/acpi_slic.bin \
      -bios /path/OVMF_CODE.fd \
      -net none \
      -drive if=virtio,media=disk,file=/media/win7.qcow2 \
      -device pcie-root-port \
      -device ich9-usb-ehci1 \
      -device ich9-usb-uhci1 \
      -device ich9-usb-uhci2 \
      -device ich9-usb-uhci3

  Windows hangs at boot with waving flag screen (flag doesn't freeze,
  keeps waving indefinitely). Same command line boots fine with Qemu
  2.9. I tried changing machine type to pc-q35-2.9 - same result.

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