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Re: [Qemu-devel] [PULL 10/28] migration: add reporting of errors for out
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PULL 10/28] migration: add reporting of errors for outgoing migration |
Date: |
Thu, 26 May 2016 09:00:12 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 05/26/2016 12:12 AM, Amit Shah wrote:
> From: "Daniel P. Berrange" <address@hidden>
>
> 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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- [Qemu-devel] [PULL 02/28] io: avoid double-free when closing QIOChannelBuffer, (continued)
- [Qemu-devel] [PULL 02/28] io: avoid double-free when closing QIOChannelBuffer, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 04/28] migration: ensure qemu_fflush() always writes full data amount, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 07/28] migration: force QEMUFile to blocking mode for outgoing migration, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 05/28] migration: split migration hooks out of QEMUFileOps, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 06/28] migration: introduce set_blocking function in QEMUFileOps, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 11/28] migration: convert post-copy to use QIOChannelBuffer, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 08/28] migration: introduce a new QEMUFile impl based on QIOChannel, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 12/28] migration: convert unix socket protocol to use QIOChannel, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 09/28] migration: add helpers for creating QEMUFile from a QIOChannel, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 10/28] migration: add reporting of errors for outgoing migration, Amit Shah, 2016/05/26
- Re: [Qemu-devel] [PULL 10/28] migration: add reporting of errors for outgoing migration,
Eric Blake <=
- [Qemu-devel] [PULL 13/28] migration: rename unix.c to socket.c, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 15/28] migration: convert fd socket protocol to use QIOChannel, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 14/28] migration: convert tcp socket protocol to use QIOChannel, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 16/28] migration: convert exec socket protocol to use QIOChannel, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 17/28] migration: convert RDMA to use QIOChannel interface, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 18/28] migration: convert savevm to use QIOChannel for writing to files, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 20/28] migration: delete QEMUSizedBuffer struct, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 19/28] migration: delete QEMUFile buffer implementation, Amit Shah, 2016/05/26
- [Qemu-devel] [PULL 21/28] migration: delete QEMUFile sockets implementation, Amit Shah, 2016/05/26