From patchwork Tue Oct 3 06:55:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tejus GK X-Patchwork-Id: 1842440 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=proofpoint20171006 header.b=R3VoACsf; dkim=pass (2048-bit key; unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256 header.s=selector1 header.b=hKMFkHJv; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4S07t91q36z1yqM for ; Tue, 3 Oct 2023 17:57:19 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qnZK7-0006sT-Ml; Tue, 03 Oct 2023 02:56:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qnZK6-0006s3-Iz for qemu-devel@nongnu.org; Tue, 03 Oct 2023 02:56:02 -0400 Received: from mx0a-002c1b01.pphosted.com ([148.163.151.68]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qnZK4-0006n2-Lg for qemu-devel@nongnu.org; Tue, 03 Oct 2023 02:56:02 -0400 Received: from pps.filterd (m0127840.ppops.net [127.0.0.1]) by mx0a-002c1b01.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 3936IKpr030186; Mon, 2 Oct 2023 23:55:59 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :content-transfer-encoding:content-type:mime-version; s= proofpoint20171006; bh=Vea0tOHYdyh0Rsy4W3bng8+52Z6tbIO729vJZ04lJ +c=; b=R3VoACsfIHy63r8u+i697i4XtQvlT+yI1zFSSyEo5U8U0cLXeFFcPoz5n ATgfQ40Z9uiSf3xJwOna7EeKWWHyF8YvrnRnU6JIh7Z/hOGh+qCj6nUKdwvRMQmX 356HAG5Eq06NFDhAcrGJTsaREAVsunt7df1JNqa/HxFgl7x6fW/4eQx/rROWOa7f u+UPO7dQLM/Iw7havnRw9pxyXI0RLvpTsW38mZkYP2r6lcN4tEvD4s+b7txcl+Wn 5TpqndIXOSa1h0O7wypEiugyPBaPv4SJt7as18EZuJKSrsVN5MP4pZ57Iw4MyVOH /zQQtaCiFydjmsUzB19BMtzMXiQjw== Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11lp2169.outbound.protection.outlook.com [104.47.58.169]) by mx0a-002c1b01.pphosted.com (PPS) with ESMTPS id 3teg0rm7fs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 02 Oct 2023 23:55:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TbYnM7/YOPXk51M955GctjDFTJAuhetdRCE8AZKWKe632hVZzdncQOdcphE42Knt7vcfU69cY1drbEctiP+0ZBwmDRR05Z88UqcU9cdB88Zetwi+OpDVhWTPajb7XM0EUEooNH/brcFlWeao686nJY+BQFJaJfjJpeefxPIjdxpv96ZTgEM+gQeWvzZeFVOWOqbkJtxGycFZ7nsHE3UBYBkQRzAWKz6qr0AyaiMFC3uZpirndvIgY3eOBaj8Rcl37hI6gvSgncWD6bsv+g9lqOtoJKzuVe5CP72ZnSED+jUsgpe3iLszthJbVF5EgMOJ7Alzpy5NdiUAaDQqOTIQjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Vea0tOHYdyh0Rsy4W3bng8+52Z6tbIO729vJZ04lJ+c=; b=R6/wg4lA4V6xyM2tKQv3PKOin8YWvHxp1XYqWAeaRI+uBjNtAS9wioh+2TgxZ7QyYJgw90phb5sRkx1w1qAD70FfJP856xC6bAa0yuVLNKNdMZOkAxdJAjn+b3kvmXtiuJQcc8hLBBrHWpiTNKYUibl9IEJ/2MQF/DRLfGkV8gC9Qp9VT0mpUZhVyOsbmUdjFxk6I1J6Y4WHZeOGexedOCudhiRAY00yLjbQphQMZzs4Mk6RNsrI+NfXjbS4OQxtPzo82Gkym9Ynhv65iN6aLjZSaDODcDsscgyS9rilo8BbVeUHMziAa0g8nJfvuKGNxRlR4LYPIkEImYYtcLaXfg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nutanix.com; dmarc=pass action=none header.from=nutanix.com; dkim=pass header.d=nutanix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Vea0tOHYdyh0Rsy4W3bng8+52Z6tbIO729vJZ04lJ+c=; b=hKMFkHJv9t7Jw91t2Un6CSmBZW5BmUizKD/ox6Dl1FUTV1Z4rpqNGoQJxkXpuqx6IlUHXaX396kjaSdrLynyBnFsC1YW23LkIdeSDEVdXkdihXdFeQNOi6Hnu5tpYoXVfZX/vqXsrG3Ov3rm8+swSQSgcekuxJUaE+lwU11WKqw7PF7+p2pQOCwFk228RdwQdrlCIGVQUXbob8xFGCNStGdJ7MoPtEfhc4fLVzwxz/1q5wsCy2yKw26+TZzl2p88CEJzP45m5vEx5lTrzBtfSIt27a3VOcLh0axlk5+3JyzmtNiOzRb6lCB1TyRLvIq1gstRY4gOrukW1jxMsjNUbg== Received: from BYAPR02MB4806.namprd02.prod.outlook.com (2603:10b6:a03:42::30) by CH3PR02MB9746.namprd02.prod.outlook.com (2603:10b6:610:17e::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6838.30; Tue, 3 Oct 2023 06:55:56 +0000 Received: from BYAPR02MB4806.namprd02.prod.outlook.com ([fe80::4d3b:ac91:5aa8:d77]) by BYAPR02MB4806.namprd02.prod.outlook.com ([fe80::4d3b:ac91:5aa8:d77%4]) with mapi id 15.20.6838.016; Tue, 3 Oct 2023 06:55:56 +0000 From: Tejus GK To: qemu-devel@nongnu.org, quintela@redhat.com, peterx@redhat.com, leobras@redhat.com Cc: Tejus GK Subject: [PATCH v5 2/2] migration: Update error description outside migration.c Date: Tue, 3 Oct 2023 06:55:38 +0000 Message-Id: <20231003065538.244752-3-tejus.gk@nutanix.com> X-Mailer: git-send-email 2.22.3 In-Reply-To: <20231003065538.244752-1-tejus.gk@nutanix.com> References: <20231003065538.244752-1-tejus.gk@nutanix.com> X-ClientProxiedBy: PH0P220CA0007.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:d3::31) To BYAPR02MB4806.namprd02.prod.outlook.com (2603:10b6:a03:42::30) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BYAPR02MB4806:EE_|CH3PR02MB9746:EE_ X-MS-Office365-Filtering-Correlation-Id: 8e4510fc-36cd-45e4-c533-08dbc3ddcb08 x-proofpoint-crosstenant: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BYAPR02MB4806.namprd02.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230031)(136003)(39860400002)(376002)(346002)(396003)(366004)(230922051799003)(64100799003)(186009)(1800799009)(451199024)(15650500001)(316002)(66476007)(52116002)(41300700001)(66556008)(6506007)(66946007)(2906002)(8936002)(4326008)(5660300002)(8676002)(6486002)(107886003)(478600001)(6666004)(83380400001)(86362001)(26005)(36756003)(2616005)(1076003)(38350700002)(6512007)(38100700002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nutanix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8e4510fc-36cd-45e4-c533-08dbc3ddcb08 X-MS-Exchange-CrossTenant-AuthSource: BYAPR02MB4806.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Oct 2023 06:55:56.5715 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: bb047546-786f-4de1-bd75-24e5b6f79043 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: /+bvQxs+KyE8MwuI6bxa9bZ4U1TSRUxNl/q3NlQSx+vsPIXmUupY50wHOgA0jbK2WbhbdtjmKSPd+J1T5EpdAA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR02MB9746 X-Proofpoint-ORIG-GUID: pOQgILALmqgTEQ9GJjb9GV-QPahKbtco X-Proofpoint-GUID: pOQgILALmqgTEQ9GJjb9GV-QPahKbtco X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-03_03,2023-10-02_01,2023-05-22_02 X-Proofpoint-Spam-Reason: safe Received-SPF: pass client-ip=148.163.151.68; envelope-from=tejus.gk@nutanix.com; helo=mx0a-002c1b01.pphosted.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org A few code paths exist in the source code,where a migration is marked as failed via MIGRATION_STATUS_FAILED, but the failure happens outside of migration.c In such cases, an error_report() call is made, however the current MigrationState is never updated with the error description, and hence clients like libvirt never know the actual reason for the failure. This patch covers such cases outside of migration.c and updates the error description at the appropriate places. Acked-by: Peter Xu Signed-off-by: Tejus GK Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- migration/savevm.c | 17 ++++++++++++++--- migration/vmstate.c | 7 ++++--- 2 files changed, 18 insertions(+), 6 deletions(-) diff --git a/migration/savevm.c b/migration/savevm.c index 1f65294bf4..60eec7c31f 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -979,6 +979,8 @@ static void save_section_footer(QEMUFile *f, SaveStateEntry *se) static int vmstate_save(QEMUFile *f, SaveStateEntry *se, JSONWriter *vmdesc) { int ret; + Error *local_err = NULL; + MigrationState *s = migrate_get_current(); if ((!se->ops || !se->ops->save_state) && !se->vmsd) { return 0; @@ -1002,6 +1004,8 @@ static int vmstate_save(QEMUFile *f, SaveStateEntry *se, JSONWriter *vmdesc) } else { ret = vmstate_save_state_with_err(f, se->vmsd, se->opaque, vmdesc, &local_err); if (ret) { + migrate_set_error(s, local_err); + error_report_err(local_err); return ret; } } @@ -1068,10 +1072,14 @@ void qemu_savevm_send_open_return_path(QEMUFile *f) int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len) { uint32_t tmp; + MigrationState *ms = migrate_get_current(); + Error *local_err = NULL; if (len > MAX_VM_CMD_PACKAGED_SIZE) { - error_report("%s: Unreasonably large packaged state: %zu", + error_setg(&local_err, "%s: Unreasonably large packaged state: %zu", __func__, len); + migrate_set_error(ms, local_err); + error_report_err(local_err); return -1; } @@ -1499,8 +1507,11 @@ int qemu_savevm_state_complete_precopy_non_iterable(QEMUFile *f, * bdrv_activate_all() on the other end won't fail. */ ret = bdrv_inactivate_all(); if (ret) { - error_report("%s: bdrv_inactivate_all() failed (%d)", - __func__, ret); + Error *local_err = NULL; + error_setg(&local_err, "%s: bdrv_inactivate_all() failed (%d)", + __func__, ret); + migrate_set_error(ms, local_err); + error_report_err(local_err); qemu_file_set_error(f, ret); return ret; } diff --git a/migration/vmstate.c b/migration/vmstate.c index dd9c76dbeb..4cde30bf2d 100644 --- a/migration/vmstate.c +++ b/migration/vmstate.c @@ -14,6 +14,7 @@ #include "migration.h" #include "migration/vmstate.h" #include "savevm.h" +#include "qapi/error.h" #include "qapi/qmp/json-writer.h" #include "qemu-file.h" #include "qemu/bitops.h" @@ -336,7 +337,7 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, ret = vmsd->pre_save(opaque); trace_vmstate_save_state_pre_save_res(vmsd->name, ret); if (ret) { - error_report("pre-save failed: %s", vmsd->name); + error_setg(errp, "pre-save failed: %s", vmsd->name); return ret; } } @@ -389,8 +390,8 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd, vmdesc_loop); } if (ret) { - error_report("Save of field %s/%s failed", - vmsd->name, field->name); + error_setg(errp, "Save of field %s/%s failed", + vmsd->name, field->name); if (vmsd->post_save) { vmsd->post_save(opaque); }