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[Qemu-devel] Re: qdev: Some ISA devices don't handle second instantiatio
From: |
Richard W.M. Jones |
Subject: |
[Qemu-devel] Re: qdev: Some ISA devices don't handle second instantiation gracefully (was: isa-applesmc doesn't handle second instantiation gracefully) |
Date: |
Wed, 13 Oct 2010 13:47:38 +0100 |
User-agent: |
Mutt/1.5.20 (2009-12-10) |
On Tue, Oct 12, 2010 at 03:00:13PM +0200, Markus Armbruster wrote:
> Markus Armbruster <address@hidden> writes:
>
> > When I try -device isa-applesmc -device isa-applesmc, I get
> >
> > WARNING: Using AppleSMC with invalid key
> > qemu: hardware error: register_ioport_read: invalid opaque
> > [...]
> >
> > and a core dump.
> >
> > I know nothing about this device. Instantiating twice may well make no
> > sense. But hw_error() is not a nice way to reject a command line
> > option.
>
> Actually, ib700 and isa-debugcon fail the same way.
I will just comment that ib700 should not be instantiated twice. It
lives at a fixed IO address, so it wouldn't make sense even for a real
machine (nevermind that having two watchdogs would be useless).
Rich.
--
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