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Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken |
Date: |
Thu, 22 Sep 2016 21:37:16 +1000 |
On Thu, 2016-09-22 at 13:27 +0200, Cédric Le Goater wrote:
> > TCG migration succeeds and proceeds ahead. But fails somewhere
> > ahead in
> > powerpc exception handler:
> >
> > [qemu]$ ./ppc64-softmmu/qemu-system-ppc64 -machine pseries-
> > 2.6,usb=off -vga none -nographic -m 2G ../../imgs/guest.disk
> > -monitor pty --incoming tcp:localhost:4444
> > char device redirected to /dev/pts/5 (label compat_monitor0)
> > ppc_kvm_enabled: is kvm enabled 0
> > get_insns_equal:
> > Did not match, ignore 9223477658187168481 != 9223477658187151905
> > ppc_kvm_enabled: is kvm enabled 0
> > get_insns_equal:
> > Did not match, ignore 331702 != 69558
> > Cannot open font file True
> > Cannot open font file True
> > qemu: fatal: Trying to deliver HV exception 4 with no HV support
>
> hmm, this is because we added MSR_HVB in msr_mask AFAICT. we should
> have a similar vmstate op for it I think
We also need to be careful about now allowing KVM migration to/from
wildly different CPU generations, or is that handled elsewhere ? (PVR
match ?)
> C.
>
> >
> >
> > NIP c0000000000795c8 LR d00000000074407c CTR c000000000079544 XER
> > 0000000000000000 CPU#0
> > MSR 8000000000009032 HID0 0000000000000000 HF 8000000000000030
> > iidx 1 didx 1
> > TB 00000007 32202510341 DECR 00596259
> >
> > Regards,
> > Nikunj
> >
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, (continued)
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Benjamin Herrenschmidt, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Bharata B Rao, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Benjamin Herrenschmidt, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Nikunj A Dadhania, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Benjamin Herrenschmidt, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Paolo Bonzini, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Benjamin Herrenschmidt, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, David Gibson, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Nikunj A Dadhania, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Cédric Le Goater, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, David Gibson, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Benjamin Herrenschmidt, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, David Gibson, 2016/09/23
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Nikunj A Dadhania, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Dr. David Alan Gilbert, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Nikunj A Dadhania, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Alexey Kardashevskiy, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Benjamin Herrenschmidt, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, David Gibson, 2016/09/22
- Re: [Qemu-devel] pseries-2.6 migration from QEMU-2.6 to QEMU-2.7 broken, Nikunj A Dadhania, 2016/09/22