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From: Alexander Graf <agraf@suse.de>
To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: isa-applesmc doesn't handle second instantiation gracefully
Date: Tue, 12 Oct 2010 14:57:24 +0200	[thread overview]
Message-ID: <CD75678C-1723-407B-96CF-93504C67721E@suse.de> (raw)
In-Reply-To: <m3ocazlglv.fsf@blackfin.pond.sub.org>


On 12.10.2010, at 14:50, Markus Armbruster wrote:

> 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.

I'd guess it fails because it defaults to the same port twice, so allocating it twice would put two ISA devices on the same PIO port which doesn't work.

I don't think there's any way around this, or is there?


Alex

  reply	other threads:[~2010-10-12 12:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-12 12:50 [Qemu-devel] isa-applesmc doesn't handle second instantiation gracefully Markus Armbruster
2010-10-12 12:57 ` Alexander Graf [this message]
2010-10-12 13:00 ` [Qemu-devel] qdev: Some ISA devices don't handle second instantiation gracefully (was: isa-applesmc doesn't handle second instantiation gracefully) Markus Armbruster
2010-10-12 13:04   ` [Qemu-devel] " Alexander Graf
2010-10-12 14:52     ` [Qemu-devel] Re: qdev: Some ISA devices don't handle second instantiation gracefully Gerd Hoffmann
2010-10-12 13:27   ` [Qemu-devel] " Anthony Liguori
2010-10-12 13:54     ` Markus Armbruster
2010-10-12 14:24       ` Anthony Liguori
2010-10-13 12:47   ` [Qemu-devel] Re: qdev: Some ISA devices don't handle second instantiation gracefully (was: isa-applesmc doesn't handle second instantiation gracefully) Richard W.M. Jones

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