From: Eric Blake <eblake@redhat.com>
To: Amit Shah <amit.shah@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>
Cc: qemu list <qemu-devel@nongnu.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] [PULL 10/28] migration: add reporting of errors for outgoing migration
Date: Thu, 26 May 2016 09:00:12 -0600 [thread overview]
Message-ID: <57470F7C.8020308@redhat.com> (raw)
In-Reply-To: <d59ce6f34434bf47a9b26138c908650bf9a24be1.1464242913.git.amit.shah@redhat.com>
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On 05/26/2016 12:12 AM, Amit Shah wrote:
> From: "Daniel P. Berrange" <berrange@redhat.com>
>
> Currently if an application initiates an outgoing migration,
> it may or may not, get an error reported back on failure. If
> the error occurs synchronously to the 'migrate' command
> execution, the client app will see the error message. This
> is the case for DNS lookup failures. If the error occurs
> asynchronously to the monitor command though, the error
> will be thrown away and the client left guessing about
> what went wrong. This is the case for failure to connect
> to the TCP server (eg due to wrong port, or firewall
> rules, or other similar errors).
>
> +++ b/qapi-schema.json
> @@ -484,6 +484,10 @@
> # throttled during auto-converge. This is only present when auto-converge
> # has started throttling guest cpus. (Since 2.7)
> #
> +# @error-desc: #optional the human readable error description string, when
> +# @status is 'failed'. Clients should not attempt to parse the
> +# error strings. (Since 2.6)
Since this is already in a pull request, we may need a followup patch to
fix that to be 2.7.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2016-05-26 15:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-26 6:11 [Qemu-devel] [PULL 00/28] migration: support for TLS Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 01/28] s390: use FILE instead of QEMUFile for creating text file Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 02/28] io: avoid double-free when closing QIOChannelBuffer Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 03/28] migration: remove use of qemu_bufopen from vmstate tests Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 04/28] migration: ensure qemu_fflush() always writes full data amount Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 05/28] migration: split migration hooks out of QEMUFileOps Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 06/28] migration: introduce set_blocking function in QEMUFileOps Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 07/28] migration: force QEMUFile to blocking mode for outgoing migration Amit Shah
2016-05-26 6:11 ` [Qemu-devel] [PULL 08/28] migration: introduce a new QEMUFile impl based on QIOChannel Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 09/28] migration: add helpers for creating QEMUFile from a QIOChannel Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 10/28] migration: add reporting of errors for outgoing migration Amit Shah
2016-05-26 15:00 ` Eric Blake [this message]
2016-05-31 15:16 ` Daniel P. Berrange
2016-06-06 8:38 ` Paolo Bonzini
2016-05-26 6:12 ` [Qemu-devel] [PULL 11/28] migration: convert post-copy to use QIOChannelBuffer Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 12/28] migration: convert unix socket protocol to use QIOChannel Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 13/28] migration: rename unix.c to socket.c Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 14/28] migration: convert tcp socket protocol to use QIOChannel Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 15/28] migration: convert fd " Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 16/28] migration: convert exec " Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 17/28] migration: convert RDMA to use QIOChannel interface Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 18/28] migration: convert savevm to use QIOChannel for writing to files Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 19/28] migration: delete QEMUFile buffer implementation Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 20/28] migration: delete QEMUSizedBuffer struct Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 21/28] migration: delete QEMUFile sockets implementation Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 22/28] migration: delete QEMUFile stdio implementation Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 23/28] migration: move definition of struct QEMUFile back into qemu-file.c Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 24/28] migration: don't use an array for storing migrate parameters Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 25/28] migration: define 'tls-creds' and 'tls-hostname' migration parameters Amit Shah
2016-05-26 15:05 ` Eric Blake
2016-05-27 10:02 ` Amit Shah
2016-05-31 9:22 ` Daniel P. Berrange
2016-05-26 6:12 ` [Qemu-devel] [PULL 26/28] migration: add support for encrypting data with TLS Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 27/28] migration: remove support for non-iovec based write handlers Amit Shah
2016-05-26 6:12 ` [Qemu-devel] [PULL 28/28] migration: remove qemu_get_fd method from QEMUFile Amit Shah
2016-05-26 16:29 ` [Qemu-devel] [PULL 00/28] migration: support for TLS Peter Maydell
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