[SeaBIOS] [HELP] The program cause screen mess

Kevin O'Connor kevin at koconnor.net
Thu Apr 23 23:42:23 CEST 2015


On Wed, Apr 22, 2015 at 02:20:51PM +0800, eJim Lee wrote:
> Hi kevin:
> If you want to repeat the bug, you can try:
> 1. Go to "Control panel->Regional and Language
> Options->Advanced->Language for non-Unicode programs" and select
> "Chinese (PRC)".
> 2. reboot
> 3. run wbc
> 
> I also tried the program on vmware and looked nice. But something
> different with qemu about cursor:
> On qemu with WinXP English: cursor is on screen but not on vmware.
> 
> Hope these information can help you.
> 
> Thanks!
> eJim Lee
> 
> 2015-04-21 23:41 GMT+08:00 eJim Lee <lyjforjob at gmail.com>:
> > I have tried it without kvm and bug repeated:
> > ./build/x86_64-softmmu/qemu-system-x86_64 -chardev stdio,id=seabios
> > -device isa-debugcon,iobase=0x402,chardev=seabios -m 512 -hda
> > tmp/xp.append -hdb tmp/data.append

This issue doesn't seem like a vgabios issue.  It doesn't appear that
the program calls the vgabios and the program seems to function
correctly when changing non-vgabios settings.  So, it appears that
something unknown is the root cause of the intermittent screen
corruption.

-Kevin



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