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Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x1
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14 |
Date: |
Wed, 7 May 2014 17:02:42 +0300 |
On Wed, May 07, 2014 at 09:45:06AM -0400, Gabriel L. Somlo wrote:
> On Wed, May 07, 2014 at 12:37:43PM +0200, Paolo Bonzini wrote:
> > So Gabriel what's left for OS X guests to run out of the box (with
> > the right key for -device applesmc of course)?
>
> Once Gerd imports a new SeaBIOS blob, QEMU should be able to boot
> OS X "out of the box". Of course, there are stil some caveats:
>
> 1. We still need the Chameleon bootloader (to work around EFI):
>
> - by loading only its stage-2 component (named "boot")
> via the "-kernel boot" command line option to QEMU
> (this is how I'm starting it right now)
>
> - by installing all of Chameleon to the guest disk image,
> the way hackintoshes do (I haven't tried this, but thought
> it's worth mentioning).
>
> 2. e1000 flakiness:
>
> - link negotiation is flaky (I have a patch, but was told
> and agree that it morally belongs in the BIOS layer)
Could you remind me what the issue and the patch are?
> - Mavericks doesn't like the current e1000 model
> (E1000_DEV_ID_82540EM); there was a patch sent to the list
> to allow selecting among different e1000 models, I think
> it was:
>
> http://lists.nongnu.org/archive/html/qemu-devel/2014-02/msg04411.html
>
> Mavericks likes E1000_DEV_ID_82545EM_COPPER, but Windows
> won't work with that, so picking which model to use from
> the command line would be nice. The patch seems abandoned
> at this point, so I might contact the author and ask if
> he minds me picking it up and continuing to polish it until
> it's acceptable :)
Yay, please do that!
> - virtio-net works with an "aftermarket" driver, verified to
> work both in MountainLion and Mavericks. It's what I'm using
> right now.
>
> AFAIK, that's everything :)
For older OSX we need the mwait nop hack right?
http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/kvm-mwait-nop-20140205.patch
> There's a GSoC student (Reza Jelveh) who will be working on trying
> booting OS X with OVMF (piix only for now).
>
> I'm toying with the idea of maybe getting OVMF to work with Q35,
> but I have absolutely no idea yet how big of a job that might be,
> and whether I'm mentally equipped to tackle it myself, in my "spare time" :)
>
> Last but not least, I keep a "current state of OS X on QEMU/KVM"
> writeup online at
>
> http://www.contrib.andrew.cmu.edu/~somlo/OSXKVM/
>
> so any new and interesting developments should show up there in a
> reasonably timely way...
>
> Cheers,
> --Gabriel
- [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Gabriel L. Somlo, 2014/05/06
- [Qemu-devel] [PATCH v6 1/2] pc: add compat_props placeholder for 2.0 machine type, Gabriel L. Somlo, 2014/05/06
- [Qemu-devel] [PATCH v6 2/2] pic: use emulated lapic version 0x14 on pc machines >= 2.1, Gabriel L. Somlo, 2014/05/06
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Michael S. Tsirkin, 2014/05/07
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Paolo Bonzini, 2014/05/07
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Gabriel L. Somlo, 2014/05/07
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Paolo Bonzini, 2014/05/07
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Gabriel L. Somlo, 2014/05/07
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Michael S. Tsirkin, 2014/05/07
- Re: [Qemu-devel] [PATCH v6 0/2] apic: bump emulated lapic version to 0x14, Paolo Bonzini, 2014/05/07