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From: Max Reitz <mreitz@redhat.com>
To: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org
Cc: kwolf@redhat.com, stefanha@redhat.com, qemu-block@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] raw-posix: Deprecate host floppy passthrough
Date: Tue, 17 Mar 2015 12:10:49 -0400	[thread overview]
Message-ID: <55085209.5030206@redhat.com> (raw)
In-Reply-To: <87zj7bli7i.fsf@blackfin.pond.sub.org>

On 2015-03-17 at 12:08, Markus Armbruster wrote:
> Forgot to mention:
>
> 1. For 2.3!
>
> 2. Testing without a physical floppy:
>
>      # > /dev/fd0
>      # chown armbru /dev/fd0
>
>      $ qemu-system-x86_64 -nodefaults -fda /dev/fd0
>      qemu-system-x86_64: -fda /dev/fd0: Host floppy pass-through is deprecated
>      Support for it will be removed in a future release.
>      WARNING: Image format was not specified for '/dev/fd0' and probing guessed raw.
>               Automatically detecting the format is dangerous for raw images, write operations on block 0 will be restricted.
>               Specify the 'raw' format explicitly to remove the restrictions.

Or just

$ qemu-img create -f qcow2 floppy.qcow2 1440K
$ qemu-system-x86_64 -fda host_floppy:floppy.qcow2
qemu-system-x86_64: -fda host_floppy:floppy.qcow2: Host floppy 
pass-through is deprecated
Support for it will be removed in a future release.

Max

>
>     The long lines are ugly, but not this patch's fault :)

  reply	other threads:[~2015-03-17 16:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-17 16:02 [Qemu-devel] [PATCH] raw-posix: Deprecate host floppy passthrough Markus Armbruster
2015-03-17 16:08 ` Max Reitz
2015-03-17 16:08 ` Markus Armbruster
2015-03-17 16:10   ` Max Reitz [this message]
2015-03-17 16:25 ` Eric Blake
2015-03-17 16:38 ` John Snow
2015-03-18  7:38   ` Markus Armbruster
2015-03-18  7:41 ` Gerd Hoffmann
2015-03-19 10:42 ` Kevin Wolf

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