RE: The issues about architecture of the COLO checkpoint

[Zhang, Chen]

> -----Original Message-----
> From: Dr. David Alan Gilbert <address@hidden>
> Sent: Friday, March 13, 2020 12:39 AM
> To: Lukas Straub <address@hidden>
> Cc: Zhang, Chen <address@hidden>; Daniel Cho
> <address@hidden>; address@hidden; Jason Wang
> <address@hidden>; Zhanghailiang <address@hidden>
> Subject: Re: The issues about architecture of the COLO checkpoint
> 
> * Lukas Straub (address@hidden) wrote:
> > 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.
> 
> Is anyone running any CI stuff for COLO?  I'm not, but bugs like that make it
> clear we probably should be;  it's not trivial to setup, but it should be 
> doable
> in a nest setup these days.

Currently, No CI stuff for COLO,  I'm busy on COLO landing with CSPs.
We will be happy If someone want to take this work.

Thanks
Zhang Chen

> 
> Dave
> 
> > 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
> >
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK