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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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