Re: [Xen-devel] [PATCH] libxl: change default QEMU machine to pc-i440fx-1.6

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

2014-05-28 18:50 GMT+02:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>:

Il 28/05/2014 18:41, Stefano Stabellini ha scritto:

However it would still place xen-platform at slot 3 instead of slot 2 if
soundhw is specified. It seems to me that there is not a perfect
solution to this problem. ÂWe can either:

- Switch to -machine pc-i440fx-1.6 by default and use consistently the
same -machine option no matter the value of xen_platform_pci. Nice, but
we break compatibility with existing guests if soundhw is specified.

- Switch to -machine pc-i440fx-1.6 only when xen_platform_pci=0 is
specified and keep xenfv if xen_platform_pci=1. We still break
compatibility when soundhw is specified together with xen_platform_pci=0.

- change the implementation of the soundhw option to use -device instead.

Paolo

I already did the new features with -device and switched vga to -device but when I tried to convert the disks to -device (also required for compatibility q35) had a problem that I was not able to solve (and also reported to qemu-devel time ago), and then I had postponed the complete conversion to -device.

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