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Subject: Re: [Qemu-devel] Which qemu ports actually work?
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From: Torbjorn Granlund <tg@gmplib.org>
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Date: Wed, 27 Oct 2010 10:39:33 +0200
In-Reply-To: <DAD49D9A-902B-4011-9E25-56ABF8919288@suse.de> (Alexander Graf's
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To: Alexander Graf <agraf@suse.de>
Cc: qemu-devel Developers <qemu-devel@nongnu.org>

  > "install64", which comes a bit longer.  It fails in a new way: it
  > ignores keyboard input, This happens after the kernel has booted, and
  > the installer has started.
=20=20
  Yes, ignoring keyboard input sounds right. The issue here is that
  we're basically emulating a PPC32 machine, but plug in a PPC64
  CPU. This works mostly, but for ADB it breaks, as the guest kernel
  doesn't have support for our ADB controller. Unfortunately, keyboard
  and mouse are attached using ADB.
=20=20
  One way to get around this is to use -usb -usbdevice keyboard.

That makes no difference.  I suppose it is still using the adb keyboard.

  Another way is to use the serial port instead of graphical console.
=20=20
I cannot get this to work either.

With -nographic I get the same lock as initially, after

  Device tree strings 0x0000000002450000 -> 0x00000000024504d9
  Device tree struct  0x0000000002451000 -> 0x0000000002453000
  Calling quiesce ...
  returning from prom_init

it hangs.

  Please also keep in mind that PPC emulation is _very_ slow.

Why is it slow?

  If you need performance for this, please just grab a PPC machine and
  use KVM on it. It will be a lot faster.

Physical machines take space and need power.  Qemu is a lot leaner.  :-)

--=20
Torbj=F6rn