From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Juan Quintela <quintela@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
thuth@redhat.com
Subject: Re: [Qemu-devel] postcopy migration hangs while loading virtio state
Date: Fri, 30 Jun 2017 17:31:39 +0100 [thread overview]
Message-ID: <20170630163139.GC2437@work-vm> (raw)
In-Reply-To: <cec279c5-9900-ca28-103b-b95c36d9d989@de.ibm.com>
* Christian Borntraeger (borntraeger@de.ibm.com) wrote:
> On 04/26/2017 01:45 PM, Christian Borntraeger wrote:
>
> >> Hmm, I have a theory, if the flags field has bit 1 set, i.e. RAM_SAVE_FLAG_COMPRESS
> >> then try changing ram_handle_compressed to always do the memset.
> >
> > FWIW, changing ram_handle_compressed to always memset makes the problem go away.
>
> It is still running fine now with the "always memset change"
Did we ever nail down a fix for this; as I remember Andrea said
we shouldn't need to do that memset, but we came to the conclusion
it was something specific to how s390 protection keys worked.
Dave
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2017-06-30 16:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-24 10:31 [Qemu-devel] postcopy migration hangs while loading virtio state Christian Borntraeger
2017-04-24 10:53 ` Dr. David Alan Gilbert
2017-04-24 13:02 ` Christian Borntraeger
2017-04-24 14:35 ` Dr. David Alan Gilbert
2017-04-24 18:17 ` Christian Borntraeger
2017-04-24 19:12 ` Dr. David Alan Gilbert
2017-04-25 13:27 ` Christian Borntraeger
2017-04-26 9:59 ` Christian Borntraeger
2017-04-26 10:13 ` Christian Borntraeger
2017-04-26 11:01 ` Dr. David Alan Gilbert
2017-04-26 11:37 ` Christian Borntraeger
2017-04-26 11:45 ` Christian Borntraeger
2017-04-26 12:07 ` Christian Borntraeger
2017-06-30 16:31 ` Dr. David Alan Gilbert [this message]
2017-07-03 14:28 ` Christian Borntraeger
2017-07-03 16:25 ` Michael S. Tsirkin
2017-07-03 19:07 ` Dr. David Alan Gilbert
2017-07-04 7:48 ` Christian Borntraeger
2017-07-04 8:16 ` Martin Schwidefsky
2017-07-04 8:27 ` Christian Borntraeger
2017-07-10 8:05 ` Christian Borntraeger
2017-04-24 13:11 ` Christian Borntraeger
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=20170630163139.GC2437@work-vm \
--to=dgilbert@redhat.com \
--cc=borntraeger@de.ibm.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=quintela@redhat.com \
--cc=thuth@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.