Re: [Xen-devel] [Qemu-devel] Test report for xen-unstable and qemu-xen

["Michael S. Tsirkin" <mst@xxxxxxxxxx>]

On Wed, Aug 14, 2013 at 01:16:24PM +0200, Laszlo Ersek wrote:
> On 08/14/13 12:54, Fabio Fantoni wrote:
> > Il 14/08/2013 11:56, Laszlo Ersek ha scritto:
> >> On 08/14/13 11:19, Fabio Fantoni wrote:
> >>
> >>> Tried with qemu 1.4.2 and it works also with 4 gb of ram.
> >>> This ram regression seems to be introduced with qemu 1.5, and there is
> >>> another regression more critical with qemu 1.6.
> >> Can you save qemu's stderr for the 1.5->1.6 regression?
> >>
> >>> Tried to add seabios debug options to domU xl configuration file...
> >>>
> >>> device_model_args=["-chardev
> >>> stdio,id=seabios","-device","isa-debugcon,iobase=0x402,chardev=seabios"]
> >>>
> >>> But it doesn't boot
> >>>
> >>> /var/log/xen/qemu-dm-W7.log
> >>> qemu-system-x86_64: -chardev stdio,id=seabios: invalid option
> >> That's probably because you forgot to break up this option into
> >> separate python list entries:
> >>
> >> device_model_args=["-chardev", "stdio,id=seabios", "-device",
> >> "isa-debugcon,iobase=0x402,chardev=seabios"]
> >>
> >> Laszlo
> >>
> > 
> > Thanks for your reply and sorry for my very stupid error.
> > I retried with the correct parameters and on both cases (2 gb of ram
> > working and 4gb of ram not working) I get only this one more line on
> > qemu log:
> > Start bios (version debian/1.7.3-1-1-ga76c6f1-dirty-20130813_122010-test)
> > 
> > The probable cause is that on xen, seabios doesn't generate some tables
> > but it takes the static ones from hvmloader.
> 
> Without having any specifics in mind, maybe this can be attributed to
> the ACPI table move that affects both qemu and seabios, and hvmloader is
> the collateral damage. Probably stuff should be updated in qemu/seabios
> so that hvmloader be happy again. CC'ing Michael...
> 
> Of course I might as well be completely off.
> 
> Laszlo

Seems unlikely - the ACPI table move code is still in my tree.

-- 
MST

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