[{"id":1764314,"web_url":"http://patchwork.ozlabs.org/comment/1764314/","msgid":"<20170906190408.GH2215@work-vm>","list_archive_url":null,"date":"2017-09-06T19:04:08","subject":"Re: [Qemu-devel] [PATCH v7 06/22] migration: Improve migration\n\tthread error handling","submitter":{"id":48102,"url":"http://patchwork.ozlabs.org/api/people/48102/","name":"Dr. David Alan Gilbert","email":"dgilbert@redhat.com"},"content":"* Juan Quintela (quintela@redhat.com) wrote:\n> We now report errors also when we finish migration, not only on info\n> migrate.  We plan to use this error from several places, and we want\n> the first error to happen to win, so we add an mutex to order it.\n> \n> Signed-off-by: Juan Quintela <quintela@redhat.com>\n\nI think this is OK for errors from the migration code itself;\nI'd prefer not to lost any multiplelayers of errors we get\nfrom devices (e.g.we see an error about a particular bit, and then\nsee it's from a PCI device etc)\n\n> diff --git a/migration/ram.c b/migration/ram.c\n> index e18b3e2d4f..e0179fc838 100644\n> --- a/migration/ram.c\n> +++ b/migration/ram.c\n> @@ -1789,7 +1789,7 @@ int ram_discard_range(const char *rbname, uint64_t start, size_t length)\n>      RAMBlock *rb = qemu_ram_block_by_name(rbname);\n>  \n>      if (!rb) {\n> -        error_report(\"ram_discard_range: Failed to find block '%s'\", rbname);\n> +        error_report(\"ram_discard_rang0e: Failed to find block '%s'\", rbname);\n\nTypo!\n\nDave\n\n>          goto err;\n>      }\n>  \n> diff --git a/migration/tls.c b/migration/tls.c\n> index 596e8790bd..026a008667 100644\n> --- a/migration/tls.c\n> +++ b/migration/tls.c\n> @@ -119,7 +119,6 @@ static void migration_tls_outgoing_handshake(QIOTask *task,\n>      if (qio_task_propagate_error(task, &err)) {\n>          trace_migration_tls_outgoing_handshake_error(error_get_pretty(err));\n>          migrate_fd_error(s, err);\n> -        error_free(err);\n>      } else {\n>          trace_migration_tls_outgoing_handshake_complete();\n>          migration_channel_connect(s, ioc, NULL);\n> -- \n> 2.13.5\n> \n--\nDr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK","headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; 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