[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] SeaBIOS regression
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] SeaBIOS regression |
Date: |
Tue, 5 Feb 2019 10:42:29 +0100 |
User-agent: |
NeoMutt/20180716 |
On Tue, Feb 05, 2019 at 10:31:24AM +0100, Thomas Huth wrote:
> On 2019-02-05 08:52, Gerd Hoffmann wrote:
> > On Mon, Feb 04, 2019 at 04:10:37PM +0100, Thomas Huth 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
> >>
> >> 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?
> >
> > Hmm, no. bisect seabios?
>
> I haven't bisected yet, but it seems to be related to CONFIG_ATA_DMA=y
> in our roms/config.seabios-128k config file. When I switch that to "n",
> then the old FreeDOS disks are working again...
Hmm, guess I should turn that off again on the next update (there will
be a seabios 1.12.1 release before qemu 4.0).
cheers,
Gerd