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
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