[SeaBIOS] [HELP] The program cause screen mess

[Kevin O'Connor]

On Mon, Apr 20, 2015 at 02:46:03PM -0400, Kevin O'Connor wrote:
> On Tue, Apr 21, 2015 at 01:57:53AM +0800, eJim Lee wrote:
> > 2015-04-21 0:45 GMT+08:00 Kevin O'Connor <kevin at koconnor.net>:
> > > On Tue, Apr 21, 2015 at 12:23:15AM +0800, eJim Lee wrote:
> > >> Kevin, did you repeat screen mess?
> > >
> > > I've tried several different configurations (including the last
> > > command line you sent), but I have not been able to reproduce any
> > > screen corruption.
> > 
> > I have repeated it at every time on server, my laptop or my pc.
> > I tried it on ubuntu 14.04, centos 6.5, kernel 3.10.67 and kernel.3.16.0.36 etc.
> > What is the difference? I used guest os is xp sp3. What yours?
> > I will try again with environment same as yours.
> 
> I'm using "Windows XP professional - Service Pack 3".
> 
> To simplify versions, can you use the latest QEMU - 2.3.0-rc4 and use
> the seabios and seavgabios that come with that version of qemu.  I
> tested that here and don't see corruption with those versions.  This
> is the command line I used:
> 
> ../qemu/qemu-git/x86_64-softmmu/qemu-system-x86_64 -chardev stdio,id=seabios -device isa-debugcon,iobase=0x402,chardev=seabios -m 512 -hda winxp-test-wbc -enable-kvm

Also, for completeness, try it without kvm as well:

../qemu/qemu-git/x86_64-softmmu/qemu-system-x86_64 -chardev stdio,id=seabios -device isa-debugcon,iobase=0x402,chardev=seabios -m 512 -hda winxp-test-wbc

-Kevin