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Mon, 08 Feb 2021 06:30:39 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-139-LBcot2xiP7mFSLZFyvuItQ-1; Mon, 08 Feb 2021 06:30:27 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F05BB801962; Mon, 8 Feb 2021 11:30:25 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-115-22.ams2.redhat.com [10.36.115.22]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1E946101E243; Mon, 8 Feb 2021 11:30:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612783829; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2/g6xzZ/kCZp2f4ptDqdlxGVJM9ZkpZgAyouxgPX+5A=; b=XCdHzQ56m7rB1HkXDbmUCc9WJy8JMFH+8ALqRhFVhN+f9+GHlm0HEZteVQeEueMxyS7+75 ODVSl7LvvoJ5YjSUH6WE7U2VNnibNAMB7PDyQXtEzEoXRByhP1i3N4abNj1JnwezLTmBXa elxFbrFXSEVZPomktbces5CQdMpA7ho= X-MC-Unique: LBcot2xiP7mFSLZFyvuItQ-1 From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, andrey.gruzdev@virtuozzo.com, berrange@redhat.com, gaojinhao@huawei.com, armbru@redhat.com, mst@redhat.com, philmd@redhat.com, wainersm@redhat.com, s.reiter@proxmox.com Subject: [PULL 14/27] migration: Display the migration blockers Date: Mon, 8 Feb 2021 11:29:05 +0000 Message-Id: <20210208112918.185058-15-dgilbert@redhat.com> In-Reply-To: <20210208112918.185058-1-dgilbert@redhat.com> References: <20210208112918.185058-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.569, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: "Dr. David Alan Gilbert" Update 'info migrate' to display migration blocking information. If the outbound migration is not blocked, there is no change, however if it is blocked a message is displayed with a list of reasons why, e.g. qemu-system-x86_64 -nographic -smp 4 -m 4G -M pc,usb=3Don \ -chardev null,id=3Dn -device usb-serial,chardev=3Dn \ -virtfs local,path=3D/home,mount_tag=3Dfs,security_model=3Dnone \ -drive if=3Dvirtio,file=3Dmyimage.qcow2 (qemu) info migrate globals: store-global-state: on only-migratable: off send-configuration: on send-section-footer: on decompress-error-check: on clear-bitmap-shift: 18 Outgoing migration blocked: Migration is disabled when VirtFS export path '/home' is mounted in the g= uest using mount_tag 'fs' non-migratable device: 0000:00:01.2/1/usb-serial Signed-off-by: Dr. David Alan Gilbert Message-Id: <20210202135522.127380-3-dgilbert@redhat.com> Reviewed-by: Eric Blake Reviewed-by: Peter Xu Signed-off-by: Dr. David Alan Gilbert --- monitor/hmp-cmds.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 509d6b01ee..992ecf6f04 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -224,6 +224,15 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) =20 migration_global_dump(mon); =20 + if (info->blocked) { + strList *reasons =3D info->blocked_reasons; + monitor_printf(mon, "Outgoing migration blocked:\n"); + while (reasons) { + monitor_printf(mon, " %s\n", reasons->value); + reasons =3D reasons->next; + } + } + if (info->has_status) { monitor_printf(mon, "Migration status: %s", MigrationStatus_str(info->status)); --=20 2.29.2