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Date: Mon, 4 Feb 2019 17:21:51 +0000
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Message-ID: <20190204172151.GA3023@work-vm>
References: <cb3e0855-a729-9a3d-e6ef-bfebea17b2cb@redhat.com>
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In-Reply-To: <cb3e0855-a729-9a3d-e6ef-bfebea17b2cb@redhat.com>
Subject: Re: [Qemu-devel] SeaBIOS regression
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To: Thomas Huth <thuth@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>

* Thomas Huth (thuth@redhat.com) wrote:
> 
>  Hi Gerd,
> 
> I noticed that certain FreeDOS images are not working correctly anymore
> with the current version of QEMU, for example
> http://www.qemu-advent-calendar.org/2016/download/day10.tar.xz ... It
> aborts with:
> 
>  Error reading from drive C: DOS area: write-protection violation attempted

Ah, I'd also seen that on an older image, it doesn't seem to happen
on the current FreeDOS when I tried to reproduce it.

Dave

> I've bisected the issue, and it has apparently been introduced with:
> 
>  cd1bfd5ef336166b275a09dc9842542bf5e63ae3
>  seabios: update bios and vgabios binaries
> 
> Any idea what might be going wrong here?
> 
>  Thomas
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK