Re: Live Migration fails

[Anthony Liguori <anthony@codemonkey.ws>]

Chris Lalancette wrote:
> Daniel Hasler wrote:
>   
>> After a while, on host B (the target), I see the following error:
>>  >migration: wait_for_go: read error len=0 (Interrupted system call)
>>  >Migration failed rc=210
>>
>> while on host A, I read following error message:
>>  >WAIT FOR ACK: timeout reached
>>  >Migration failed! ret=0 error=13
>>     
>
> No, this is a bug I just fixed yesterday in Qemu proper.  The next time that Avi
> rebases KVM to Qemu (which he said he would do as soon as the fix went into
> Qemu), then this should be fixed.
>   

Migration is also known to be broken with virtio.

Regards,

Anthony Liguori

> FYI, the problem is basically that the i2c restore on the destination side was
> expecting 4 bytes, while the i2c save on the sending side was only sending 1
> byte, so they eventually timed out while waiting for each other.
>
> Chris Lalancette
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