qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Lukas Straub <lukasstraub2@web.de>
Cc: Daniel Cho <danielcho@qnap.com>,
	"Zhang, Chen" <chen.zhang@intel.com>,
	Jason Wang <jasowang@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Zhanghailiang <zhang.zhanghailiang@huawei.com>
Subject: Re: The issues about architecture of the COLO checkpoint
Date: Thu, 12 Mar 2020 16:39:19 +0000	[thread overview]
Message-ID: <20200312163919.GJ3211@work-vm> (raw)
In-Reply-To: <20200306162201.3a1cd3ae@luklap>

* Lukas Straub (lukasstraub2@web.de) wrote:
> On Wed, 4 Mar 2020 07:44:11 +0000
> "Zhang, Chen" <chen.zhang@intel.com> wrote:
> 
> > > -----Original Message-----
> > > From: Daniel Cho <danielcho@qnap.com>
> > > Sent: Monday, February 24, 2020 3:15 PM
> > > To: Zhang, Chen <chen.zhang@intel.com>
> > > Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>; Zhanghailiang
> > > <zhang.zhanghailiang@huawei.com>; qemu-devel@nongnu.org; Jason
> > > Wang <jasowang@redhat.com>
> > > 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.

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 / dgilbert@redhat.com / Manchester, UK



  reply	other threads:[~2020-03-12 16:40 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-11  6:30 The issues about architecture of the COLO checkpoint Daniel Cho
2020-02-11 17:47 ` Dr. David Alan Gilbert
2020-02-12  3:18   ` Zhanghailiang
2020-02-12  5:45     ` Zhang, Chen
2020-02-12  8:37       ` Daniel Cho
2020-02-13  1:45         ` Zhanghailiang
2020-02-13  2:10           ` Zhang, Chen
2020-02-13  2:17             ` Zhang, Chen
2020-02-13  3:02               ` Daniel Cho
2020-02-13 10:37                 ` Dr. David Alan Gilbert
2020-02-15  3:35                   ` Daniel Cho
2020-02-17  1:25                     ` Zhanghailiang
2020-02-17  5:36                     ` Zhang, Chen
2020-02-18  9:22                       ` Daniel Cho
2020-02-20  3:07                         ` Zhang, Chen
2020-02-20  3:49                           ` Daniel Cho
2020-02-20  3:51                             ` Daniel Cho
2020-02-20 19:43                               ` Dr. David Alan Gilbert
2020-02-24  6:57                               ` Zhanghailiang
2020-02-23 18:43                             ` Zhang, Chen
2020-02-24  7:14                               ` Daniel Cho
2020-03-04  7:44                                 ` Zhang, Chen
2020-03-06 15:22                                   ` Lukas Straub
2020-03-12 16:39                                     ` Dr. David Alan Gilbert [this message]
2020-03-17  8:32                                       ` Zhang, Chen
2020-02-13  0:57       ` Zhanghailiang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200312163919.GJ3211@work-vm \
    --to=dgilbert@redhat.com \
    --cc=chen.zhang@intel.com \
    --cc=danielcho@qnap.com \
    --cc=jasowang@redhat.com \
    --cc=lukasstraub2@web.de \
    --cc=qemu-devel@nongnu.org \
    --cc=zhang.zhanghailiang@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).