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[Bug 1914294] Re: Windows XP displays black screen when smp option is us


From: John Arbuckle
Subject: [Bug 1914294] Re: Windows XP displays black screen when smp option is used
Date: Wed, 10 Feb 2021 18:57:20 -0000

Command line to reproduce this issue: 
qemu-system-i386 -m 700 -hda <Windows XP HD image file> -smp 2

Last commit tested with this problem:
1214d55d1c41fbab3a9973a05085b8760647e411

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https://bugs.launchpad.net/bugs/1914294

Title:
  Windows XP displays black screen when smp option is used

Status in QEMU:
  New

Bug description:
  When I use Windows XP with the -smp option, the screen goes black. The
  only thing I can see is a cursor. I have tried -smp 2, -smp cores=4,
  and -smp cores=2.

  My info:

  Host:
  M1 Mac
  Mac OS 11.1
  QEMU 5.2 at cf7ca7d5b9faca13f1f8e3ea92cfb2f741eb0c0e.

  Guest:
  32-bit Windows XP SP3 build 2600.

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