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Re: [Qemu-devel] Aarch64: Qemu master or 2.9.0-rc1 breaks compatibility
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From: |
Auger Eric |
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Subject: |
Re: [Qemu-devel] Aarch64: Qemu master or 2.9.0-rc1 breaks compatibility with 4.10 kernel. |
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Date: |
Tue, 28 Mar 2017 13:59:11 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
Hi Peter,
On 28/03/2017 13:29, Peter Maydell wrote:
> On 28 March 2017 at 12:22, Prakash B <address@hidden> wrote:
>> Qemu master or v2.9.0-rc1 doesn't launch guest when host kernel
>> version 4.10 or lower on Aarch64 (cavium ThunderX), its failing with
>> abort "qemu-system-aarch64: KVM_GET_DEVICE_ATTR failed: No such
>> device or address"
>>
>> "GICv3 live migration support" patch breaks the compatibility b/w
>> kernel and qemu.
>>
>> Is this expected behaviour, can we provide a fix without breaking
>> compatibility b/w kernel and qemu .
>
> This is indeed not supposed to happen. Eric, can you take a look?
Yes I start the investigations.
Thanks
Eric
>
> thanks
> -- PMM
>