Re: [Qemu-devel] [TCG only][Migration Bug? ] Occasionally, the content of VM's memory is inconsistent between Source and Destination of migration

[Li, Liang Z]

> 
> Thanks for describing how to reproduce the bug.
> If some pages are not transferred to destination then it is a bug, so we need
> to know what the problem is, notice that the problem can be that TCG is not
> marking dirty some page, that Migration code "forgets" about that page, or
> anything eles altogether, that is what we need to find.
> 
> There are more posibilities, I am not sure that memtest is on 32bit mode, and
> it is inside posibility that we are missing some state when we are on real
> mode.
> 
> Will try to take a look at this.
> 
> THanks, again.
> 

Hi Juan & Amit

 Do you think we should add a mechanism to check the data integrity during LM 
like Zhijian's patch did?  it may be very helpful for developers. 
 Actually, I did the similar thing before in order to make sure that I did the 
right thing we I change the code related to LM.

Liang