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Re: [PATCH v2 4/4] migration: Check in savevm_state_handler_insert for d

From: Juan Quintela
Subject: Re: [PATCH v2 4/4] migration: Check in savevm_state_handler_insert for dups
Date: Fri, 10 Jan 2020 17:35:50 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Peter Xu <address@hidden> wrote:
> Before finally register one SaveStateEntry, we detect for duplicated
> entries.  This could be helpful to notify us asap instead of get
> silent migration failures which could be hard to diagnose.
> For example, this patch will generate a message like this (if without
> previous fixes on x2apic) as long as we wants to boot a VM instance
> with "-smp 200,maxcpus=288,sockets=2,cores=72,threads=2" and QEMU will
> bail out even before VM starts:
> savevm_state_handler_insert: Detected duplicate SaveStateEntry: id=apic, 
> instance_id=0x0
> Suggested-by: Dr. David Alan Gilbert <address@hidden>
> Signed-off-by: Peter Xu <address@hidden>

Hi peter

I have to drop this one.  There is something on current tree (I think
that it is the VMSTATE_IF) that make isa-ide choke for migration on
"make check".  Will take a look to it later.

Later, Juan.

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