Re: The issues about architecture of the COLO checkpoint

[Lukas Straub]

On Wed, 4 Mar 2020 07:44:11 +0000
"Zhang, Chen" <address@hidden> wrote:

> > -----Original Message-----
> > From: Daniel Cho <address@hidden>
> > Sent: Monday, February 24, 2020 3:15 PM
> > To: Zhang, Chen <address@hidden>
> > Cc: Dr. David Alan Gilbert <address@hidden>; Zhanghailiang
> > <address@hidden>; address@hidden; Jason
> > Wang <address@hidden>
> > Subject: Re: The issues about architecture of the COLO checkpoint
> >
> > Hi Zhang,
> >
> > Thanks for your help.
> > However, did you occur the error which the function qemu_hexdump in
> > colo-compare.c will crash the qemu process while doing operation with
> > network?
> >
>
> No, qemu_hexdump looks no relationship with network...
> Do you means it will crashed in qemu_hexdump sometimes?

Jeah, I hit that bug too, but it was fixed with
1e907a32b77e5d418538453df5945242e43224fa "COLO-compare: Fix incorrect `if` 
logic"
in qemu 4.2.

Regards,
Lukas Straub

> > We are working on VM fault tolerance study and COLO function evalutation
> > first. Currently we did not have a confirmed plan on it.
>
> OK, keep connection.
>
> Thanks
> Zhang Chen