Re: [Qemu-devel] new pc-bios/bios.bin breaks freebsd booting

[Brad Smith]

On Thu, Dec 13, 2012 at 05:25:50AM -0500, Brad Smith wrote:
> On Wed, Dec 12, 2012 at 06:47:58PM +0100, Paolo Bonzini wrote:
> > Il 12/12/2012 17:04, Luigi Rizzo ha scritto:
> > > I am not sure if it has been reported already but this commit
> > > 
> > > http://git.qemu.org/?p=qemu.git;a=commitdiff;h=d7a51dbbaa70677846453f8c961590913052dd86
> > > 
> > > (replacing pc-bios/bios.bin with a newer version)
> > > breaks booting of FreeBSD on recent qemu (starting roughly with
> > > qemu-1.3.0-rc2).
> > > 
> > > Using a FreeBSD host, and a FreeBSD guest,
> > > the qemu thread runs at 100% and the console is stuck
> > > after the 'pci0' probe:
> > > 
> > >                            
> > > ...
> > > hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
> > >        
> > > Timecounter "HPET" frequency 100000000 Hz quality 950                  
> > >         
> > > Timecounter "ACPI-fast" frequency 3579545 Hz quality 900                
> > >        
> > > acpi_timer0: <24-bit timer at 3.579545MHz> port 0xb008-0xb00b on acpi0  
> > >        
> > > pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0                
> > >         
> > > pci0: <ACPI PCI bus> on pcib0
> > > 
> > > Reverting the bios fixes things.
> > > I wonder if it isn't the case of reverting this change ?
> > 
> > Not reverting the change (which fixes other things), but yes---we should
> > get the fix into SeaBIOS.
> > 
> > I don't have a FreeBSD VM handy, can you try the attached BIOS so I can
> > have your Tested-by?  The patch I used is after my signature.
> > 
> > Paolo
> 
> Could you please provide a pre-compiled BIOS image so I could test
> this out? I believe the issue I have is the same but it doesn't hurt
> to have more testing. :)
> 
> I also noticed some issues booting FreeBSD 9 when I was testing
> QEMU 1.3.0 on OpenBSD and have put it aside until some regressions
> are fixed with the release.

*sigh* Of course now that I am trying to reproduce the issue with
the BIOS image that comes with 1.3.0 with the FreeBSD 9.1 RC3 CD
image I was testing with earlier I am not able to. But this newer
BIOS image doesn't seem to make it any worse either.

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