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Re: [Qemu-devel] commit virtio: recalculate vq->inuse after migration mi
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] commit virtio: recalculate vq->inuse after migration might cause last_avail_idx vs. used_idx failure |
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Date: |
Thu, 15 Dec 2016 14:06:12 +0000 |
On Thu, Dec 15, 2016 at 11:32 AM, Halil Pasic <address@hidden> wrote:
> On 12/15/2016 11:52 AM, Dr. David Alan Gilbert wrote:
>>> We got a bugreport with this log for a live migration target.
>>>
>>> 2016-12-13T18:59:03.647309Z qemu-system-s390x: VQ 1 size 0x100 <
>>> last_avail_idx 0x2f76 - used_idx 0x762f
>> Is this actually an endian problem - 2f76 vs 762f ?
>>
>> Dave
>>
>
> Thanks! It seems you are right:
Please still submit the uint16_t -> int conversion fix because what
you discovered is a real bug.
Stefan