[Qemu-devel] [Bug 1024248] [NEW] qemu -M isapc displays blank screen

[Michael Tokarev]

Public bug reported:

$ qemu-system-x86_64 -M isapc

This displays blank SDL window.  It has been this way since forever I
guess, at least according to http://bugs.debian.org/605525 (a Debian
bugreport about it).  However, this:

$ qemu-system-x86_64 -M isapc -enable-kvm

works (at least in current 1.1), and it works fine in qemu-kvm.  On the
other hand, this:

$ qemu-kvm -M isapc -no-kvm

also shows blank window.  Something is wrong with isapc & TCG, and has
been for a long time...

Thanks,

/mjt

** Affects: qemu
     Importance: Undecided
         Status: Confirmed

** Affects: qemu (Debian)
     Importance: Unknown
         Status: Unknown

** Bug watch added: Debian Bug tracker #605525
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605525

** Also affects: qemu (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605525
   Importance: Unknown
       Status: Unknown

** Changed in: qemu
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1024248

Title:
  qemu -M isapc displays blank screen

Status in QEMU:
  Confirmed
Status in “qemu” package in Debian:
  Unknown

Bug description:
  $ qemu-system-x86_64 -M isapc

  This displays blank SDL window.  It has been this way since forever I
  guess, at least according to http://bugs.debian.org/605525 (a Debian
  bugreport about it).  However, this:

  $ qemu-system-x86_64 -M isapc -enable-kvm

  works (at least in current 1.1), and it works fine in qemu-kvm.  On
  the other hand, this:

  $ qemu-kvm -M isapc -no-kvm

  also shows blank window.  Something is wrong with isapc & TCG, and has
  been for a long time...

  Thanks,

  /mjt

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