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[Qemu-devel] [Bug 1585008] Re: Windows 7 guests hang on bootup when qxl

From: Anthony de Beus
Subject: [Qemu-devel] [Bug 1585008] Re: Windows 7 guests hang on bootup when qxl video is used
Date: Sun, 19 Jun 2016 21:46:02 -0000

and doesn't exist in qemu-2.5.1-1; the next version I have in Arch is
qemu-2.6.0-1, which is the current one where the problem exists.  So,
something changed between 2.5 and 2.6

Sorry about the multiple posts.

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  Windows 7 guests hang on bootup when qxl video is used

Status in QEMU:
Status in qemu package in Ubuntu:

Bug description:
  I installed libvirt-bin and virt-manager on Ubuntu 16.04.  I created a
  new VM for Windows 7, basically with default settings, which includes
  qxl video..  The Windows boot process hangs with the "Starting
  Windows" animation.  CPU and disk I/O drop to zero, and it continues
  animating.... forever and ever...  It never finishes booting.  But it
  doesn't fully "hang" either: the animation continues to animate.

  As a workaround, I set the video mode to "Cirrus" and then Windows
  boots but it is slow and limited.  And also apparently to be avoided:


  I can confirm it's only when qxl is enabled, because if I switch from
  Cirrus back to qxl, it hangs again - and going back to Cirrus again
  "fixes" the problem.

  This issue is also reported elsewhere:



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