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Re: [Qemu-devel] APM regression since v1.3.0-408-g9ee59f3


From: Gerd Hoffmann
Subject: Re: [Qemu-devel] APM regression since v1.3.0-408-g9ee59f3
Date: Tue, 23 Jul 2013 14:31:06 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130621 Thunderbird/17.0.7

On 07/03/13 22:25, Sebastian Herbszt wrote:
> Commit 9ee59f3 ("pc: remove bochs bios debug ports") broke the APM
> interface
> between QEMU and Bochs BIOS/SeaBIOS. Without APM support older guests
> are no longer able to power off the VM. This regression also affects
> older machine
> types like pc-1.2.

--verbose please.  Which guest?  Which firmware?

ACPI poweroff with seabios works just fine.  If APM support in seabios
uses something else it should be switched to use the same hardware ports
ACPI uses for poweroff (some piix4 pm device register I think) instead
of the debug ports which where never meant to be used that way.

Does bochs bios run on recent qemu versions in the first place?

cheers,
  Gerd




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