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Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap f


From: Stefan Priebe - Profihost AG
Subject: Re: [Qemu-devel] [pve-devel] QEMU LIve Migration - swap_free: Bad swap file entry
Date: Fri, 07 Feb 2014 14:45:33 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

it's always the same "pattern" there are too many 0 instead of X.

only seen:

read:0x0000000000000000 ... expected:0xffffffffffffffff

or

read:0xffffffff00000000 ... expected:0xffffffffffffffff

or

read:0x0000bf000000bf00 ... expected:0xffffbfffffffbfff

or

read:0x0000000000000000 ... expected:0xb5b5b5b5b5b5b5b5

no idea if this helps.

Stefan

Am 07.02.2014 14:39, schrieb Stefan Priebe - Profihost AG:
> Hi,
> Am 07.02.2014 14:19, schrieb Paolo Bonzini:
>> Il 07/02/2014 14:04, Stefan Priebe - Profihost AG ha scritto:
>>> first of all i've now a memory image of a VM where i can reproduce it.
>>
>> You mean you start that VM with -incoming 'exec:cat /path/to/vm.img'?
>> But google stress test doesn't report any error until you start
>> migration _and_ it finishes?
> 
> Sorry no i meant i have a VM where i saved the memory to disk - so i
> don't need to wait hours until i can reproduce as it does not happen
> with a fresh started VM. So it's a state file i think.
> 
>> Another test:
>>
>> - start the VM with -S, migrate, do errors appear on the destination?
> 
> I started with -S and the errors appear AFTER resuming/unpause the VM.
> So it is fine until i resume it on the "new" host.
> 
> Stefan
> 



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