From: Laurent Vivier <lvivier@redhat.com>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, David Gibson <david@gibson.dropbear.id.au>,
Bharata B Rao <bharata@linux.vnet.ibm.com>,
Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [PATCH] pseries: fix TCG migration
Date: Tue, 28 Nov 2017 18:39:03 +0100 [thread overview]
Message-ID: <f0968b6f-a2da-2f1b-768a-649c7e51d59a@redhat.com> (raw)
In-Reply-To: <20171128173224.1138-1-lvivier@redhat.com>
On 28/11/2017 18:32, Laurent Vivier wrote:
> Migration of pseries is broken with TCG because
> QEMU tries to restore KVM MMU state unconditionally.
>
> The result is a SIGSEGV in kvm_vm_ioctl():
>
> at qemu/accel/kvm/kvm-all.c:2032
> radix=<optimized out>, gtse=<optimized out>, proc_tbl=<optimized out>)
> at qemu/target/ppc/kvm.c:396
> version_id=<optimized out>) at /home/lvivier/qemu/hw/ppc/spapr.c:1578
> vmsd=0x1009479e0 <vmstate_spapr>, opaque=0x1019103c0,
> version_id=<optimized out>) at /home/lvivier/qemu/migration/vmstate.c:165
> at qemu/migration/savevm.c:748
>
I'm going to resend the patch because the lines starting with "#" have
been removed...
Thanks,
Laurent
prev parent reply other threads:[~2017-11-28 17:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-28 17:32 [Qemu-devel] [PATCH] pseries: fix TCG migration Laurent Vivier
2017-11-28 17:39 ` Laurent Vivier [this message]
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