From owner-freebsd-emulation@FreeBSD.ORG  Wed Dec 12 17:01:03 2012
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Subject: Re: new pc-bios/bios.bin breaks freebsd booting
From: Adrian Chadd <adrian@freebsd.org>
To: Luigi Rizzo <rizzo@iet.unipi.it>
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Yes, the qemu bios people decided that they could change the ACPI
setup, in order to make Linux boot slightly (1 line) quieter.

http://git.qemu.org/?p=seabios.git;a=commit;h=4540409d19a4baeec5006d925cfca19f8038a96e




Adrian

On 12 December 2012 08:07, Luigi Rizzo <rizzo@iet.unipi.it> wrote:
> it seems that qemu-1.3.0 is broken for freebsd...
>
> cheers
> luigi
>
> ---------- Forwarded message ----------
> From: Luigi Rizzo <rizzo@iet.unipi.it>
> Date: Wed, Dec 12, 2012 at 8:04 AM
> Subject: new pc-bios/bios.bin breaks freebsd booting
> To: qemu-devel@nongnu.org, kraxel@redhat.com
>
>
> 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 ?
>
> cheers
> luigi
>
>
>
> --
> -----------------------------------------+-------------------------------
>  Prof. Luigi RIZZO, rizzo@iet.unipi.it  . Dip. di Ing. dell'Informazione
>  http://www.iet.unipi.it/~luigi/        . Universita` di Pisa
>  TEL      +39-050-2211611               . via Diotisalvi 2
>  Mobile   +39-338-6809875               . 56122 PISA (Italy)
> -----------------------------------------+-------------------------------
>
>
>
>
> --
> -----------------------------------------+-------------------------------
>  Prof. Luigi RIZZO, rizzo@iet.unipi.it  . Dip. di Ing. dell'Informazione
>  http://www.iet.unipi.it/~luigi/        . Universita` di Pisa
>  TEL      +39-050-2211611               . via Diotisalvi 2
>  Mobile   +39-338-6809875               . 56122 PISA (Italy)
> -----------------------------------------+-------------------------------
> _______________________________________________
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