Re: [Qemu-devel] scp during migration with vhost fails

[Jason Wang]

On 02/20/2013 10:23 PM, Michael S. Tsirkin wrote:
> On Fri, Feb 01, 2013 at 06:03:32PM +0800, Jason Wang wrote:
>> Hello all:
>>
>> During testing, I find doing scp during migration with vhost fails with 
>> warnings in guest like:
>>
>> Corrupted MAC on input.
>> Disconnecting: Packet corrupt.
>> lost connection
>>
>> Here's the bisect result:
>>
>> Commit a01672d3968cf91208666d371784110bfde9d4f8 kvm: convert to 
>> MemoryListener 
>> API is the last commit that works well.
>>
>> With commit 04097f7c5957273c578f72b9bd603ba6b1d69e33 vhost: convert to 
>> MemoryListener API, guest network is unusable with warning of "bad gso type"
>>
>> With commit d743c382861eaa1e13f503b05aba5a382a7e7f7c vhost: fix incorrect 
>> userspace address, guest network is available, but scp during migration may 
>> fail.
>>
>> Looks like the issue is related to memory api, any thoughts?
>>
>> Thanks
> Tried to reproduce this for a while without success.
> Which command line was used?
>
>

I use this simple cli, sometimes, it's not easy to be reproduced.

qemu-system-x86_64 /home/kvm_autotest_root/images/mq.qcow2 -netdev
tap,id=hn0,vhost=on -device
virtio-net-pci,netdev=hn0,mac=00:00:05:00:00:06 -m 2G -enable-kvm -cpu
host -smp 2 -monitor tcp:0:5000,server,nowait -daemonize