From: Paolo Bonzini <pbonzini@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-devel@nongnu.org, lcapitulino@redhat.com
Subject: Re: [Qemu-devel] [PATCH 08/25] migration (outgoing): add error propagation for all protocols
Date: Wed, 17 Oct 2012 16:50:58 +0200 [thread overview]
Message-ID: <507EC5D2.4050500@redhat.com> (raw)
In-Reply-To: <87zk3lxiok.fsf@blackfin.pond.sub.org>
Il 17/10/2012 16:43, Markus Armbruster ha scritto:
>> > Error propagation is already there for socket backends, even though
>> > it is (and remains) incomplete because no Error is passed to the
>> > NonBlockingConnectHandler.
> Why is that a problem?
It means that the exact error message still cannot be sent to the user
if the OS reports it asynchronously via SO_ERROR. If
NonBlockingConnectHandler received an Error**, we could for example
report the error class and/or message via a new field of the
query-migration command even if it is reported asynchronously.
Paolo
next prev parent reply other threads:[~2012-10-17 14:51 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-10 14:02 [Qemu-devel] [PULL for Luiz 00/25] Combined qemu-sockets cleanup v2 + NBD server Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 01/25] error: add error_set_errno and error_setg_errno Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 02/25] qemu-sockets: add Error ** to all functions Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 03/25] qemu-sockets: unix_listen and unix_connect are portable Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 04/25] qemu-sockets: add nonblocking connect for Unix sockets Paolo Bonzini
2012-10-17 13:33 ` Markus Armbruster
2012-10-17 13:44 ` Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 05/25] migration: avoid using error_is_set and thus relying on errp != NULL Paolo Bonzini
2012-10-17 13:36 ` Markus Armbruster
2012-10-17 13:37 ` Paolo Bonzini
2012-10-17 15:44 ` Markus Armbruster
2012-10-10 14:02 ` [Qemu-devel] [PATCH 06/25] migration: centralize call to migrate_fd_error() Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 07/25] migration: use qemu-sockets to establish Unix sockets Paolo Bonzini
2012-10-17 14:30 ` Markus Armbruster
2012-10-10 14:02 ` [Qemu-devel] [PATCH 08/25] migration (outgoing): add error propagation for all protocols Paolo Bonzini
2012-10-17 14:43 ` Markus Armbruster
2012-10-17 14:50 ` Paolo Bonzini [this message]
2012-10-17 15:43 ` Markus Armbruster
2012-10-10 14:02 ` [Qemu-devel] [PATCH 09/25] migration (incoming): add error propagation to fd and exec protocols Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 10/25] qemu-char: ask and print error information from qemu-sockets Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 11/25] nbd: " Paolo Bonzini
2012-10-17 14:51 ` Markus Armbruster
2012-10-17 14:53 ` Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 12/25] qemu-ga: " Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 13/25] vnc: add error propagation to vnc_display_open Paolo Bonzini
2012-10-17 15:17 ` Markus Armbruster
2012-10-17 15:48 ` Paolo Bonzini
2012-10-19 7:49 ` Markus Armbruster
2012-10-19 8:40 ` Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 14/25] qemu-sockets: include strerror or gai_strerror output in error messages Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 15/25] qemu-sockets: add error propagation to inet_connect_addr Paolo Bonzini
2012-10-16 12:53 ` Luiz Capitulino
2012-10-17 15:40 ` Markus Armbruster
2012-10-17 15:50 ` Paolo Bonzini
2012-10-19 7:59 ` Markus Armbruster
2012-10-19 8:50 ` Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 16/25] qemu-sockets: add error propagation to inet_dgram_opts Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 17/25] qemu-sockets: add error propagation to inet_parse Paolo Bonzini
2012-10-10 14:02 ` [Qemu-devel] [PATCH 18/25] qemu-sockets: add error propagation to Unix socket functions Paolo Bonzini
2012-10-10 14:03 ` [Qemu-devel] [PATCH 19/25] build: add QAPI files to the tools Paolo Bonzini
2012-10-10 14:03 ` [Qemu-devel] [PATCH 20/25] qapi: add socket address types Paolo Bonzini
2012-10-17 16:43 ` Markus Armbruster
2012-10-17 16:48 ` Paolo Bonzini
2012-10-17 16:50 ` Luiz Capitulino
2012-10-19 8:10 ` Markus Armbruster
2012-10-19 8:39 ` Paolo Bonzini
2012-10-10 14:03 ` [Qemu-devel] [PATCH 21/25] qemu-sockets: return IPSocketAddress from inet_parse Paolo Bonzini
2012-10-17 16:49 ` Markus Armbruster
2012-10-10 14:03 ` [Qemu-devel] [PATCH 22/25] qemu-sockets: add socket_listen, socket_connect, socket_parse Paolo Bonzini
2012-10-19 8:15 ` Markus Armbruster
2012-10-19 8:37 ` Paolo Bonzini
2012-10-10 14:03 ` [Qemu-devel] [PATCH 23/25] block: add close notifiers Paolo Bonzini
2012-10-19 8:21 ` Markus Armbruster
2012-10-19 9:38 ` Paolo Bonzini
2012-10-19 8:26 ` Markus Armbruster
2012-10-10 14:03 ` [Qemu-devel] [PATCH 24/25] qmp: add NBD server commands Paolo Bonzini
2012-10-10 20:41 ` Eric Blake
2012-10-11 13:06 ` Paolo Bonzini
2012-10-11 13:14 ` Eric Blake
2012-10-11 13:22 ` Paolo Bonzini
2012-10-19 8:31 ` Markus Armbruster
2012-10-10 14:03 ` [Qemu-devel] [PATCH 25/25] hmp: " Paolo Bonzini
2012-10-19 8:34 ` Markus Armbruster
2012-10-19 8:58 ` Paolo Bonzini
2012-10-19 12:44 ` Luiz Capitulino
2012-10-19 12:44 ` Markus Armbruster
2012-10-19 13:11 ` Paolo Bonzini
2012-10-19 13:53 ` Markus Armbruster
2012-10-19 13:57 ` Paolo Bonzini
2012-10-16 13:09 ` [Qemu-devel] [PULL for Luiz 00/25] Combined qemu-sockets cleanup v2 + NBD server Luiz Capitulino
2012-10-16 13:10 ` Paolo Bonzini
2012-10-17 17:02 ` Markus Armbruster
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