Re: [Qemu-devel] [PATCH v3 00/20] GICv3 emulation

[Andrew Jones]

Why oh why does mutt ask me who to CC after composing the mail instead
of before (after is when I've forgotten...) Maybe there's some config
I can change. OK, this time with Ard really on CC.

On Tue, Jun 21, 2016 at 07:15:57PM +0200, Andrew Jones wrote:
> On Tue, Jun 21, 2016 at 05:12:02PM +0200, Andrew Jones wrote:
> > On Tue, Jun 21, 2016 at 03:55:46PM +0100, Peter Maydell wrote:
> > > On 21 June 2016 at 15:45, Andrew Jones <address@hidden> wrote:
> > > > On Wed, Jun 15, 2016 at 04:53:35PM +0800, Shannon Zhao wrote:
> > > >> I have another test with a freebsd guest. When I specify gic-version=3
> > > >> at the QEMU command line, the guest can't start. But with gic-version=2
> > > >> it's fine. And if I use gic-version=3 with kvm, the guest boots well 
> > > >> too.
> > > >>
> > > >> It hangs with below log:
> > > >> [Bds]=============Begin Load Options Dumping ...=============
> > > >>   Driver Options:
> > > >>   SysPrep Options:
> > > >>   Boot Options:
> > > >>     Boot0000: UiApp              0x0109
> > > >>     Boot0001: EFI Internal Shell                 0x0001
> > > >>     Boot0002: UEFI Misc Device           0x0001
> > > >>     Boot0003: UEFI Misc Device 2                 0x0001
> > > >>     Boot0004: UEFI Misc Device 3                 0x0001
> > > >>     Boot0005: UEFI PXEv4 (MAC:525400123456)              0x0001
> > > >>   PlatformRecovery Options:
> > > >>     PlatformRecovery0000: Default PlatformRecovery               0x0001
> > > >> [Bds]=============End Load Options Dumping=============
> > > >> [Bds]BdsWait ...Zzzzzzzzzzzz...
> > > >> [Bds]BdsWait(3)..Zzzz...
> > > >
> > > > I can reproduce this exact output with the latest version of AAVMF,
> > > > built on commit 988715a.
> > > 
> > > I thought we'd decided this was a FreeBSD bug? Or does UEFI itself
> > > use interrupts here and not set them up properly?
> > 
> > Looks like AAVMF. I'm using RHEL for AArch64 kernel, which does
> > work with tcg,gic-version=3 -kernel boots, kvm,gic-version=3 boots,
> > and bare-metal gicv3 boots.
> >
> 
> Laszlo asked me to reply again, this time with Ard on CC, and with
> some more details.
> 
> Issue:
>  AAVMF boot under gicv3 emulation, e.g.
>   -machine virt,accel=tcg,gic-version=3 
> 
> fails with the above message. gicv3 emulation is not yet in master,
> but can be built from
> 
>  git://git.linaro.org/people/pmaydell/qemu-arm.git staging
> 
> Shannon reported successful boots of UEFI, but I don't know what
> build he used. The AAVMF I'm using is based on upstream commit
> 988715a3a7.
> 
> Thanks,
> drew