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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 4 Feb 2019 12:36:28 -0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x14CaRj88323458 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 4 Feb 2019 12:36:27 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F2AC2A405B; Mon, 4 Feb 2019 12:36:26 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CB804A4053; Mon, 4 Feb 2019 12:36:26 +0000 (GMT) Received: from marc-ibm.boeblingen.de.ibm.com (unknown [9.152.224.80]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 4 Feb 2019 12:36:26 +0000 (GMT) From: Marc Hartmayer To: Date: Mon, 4 Feb 2019 13:36:24 +0100 X-TM-AS-GCONF: 00 x-cbid: 19020412-0008-0000-0000-000002BAE699 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19020412-0009-0000-0000-00002226F486 Message-Id: <20190204123624.20572-1-mhartmay@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-02-04_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=621 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902040100 X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 216 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 04 Feb 2019 12:36:34 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 04 Feb 2019 12:36:34 +0000 (UTC) for IP:'148.163.156.1' DOMAIN:'mx0a-001b2d01.pphosted.com' HELO:'mx0a-001b2d01.pphosted.com' FROM:'mhartmay@linux.ibm.com' RCPT:'' X-RedHat-Spam-Score: -0.701 (RCVD_IN_DNSWL_LOW, SPF_PASS) 148.163.156.1 mx0a-001b2d01.pphosted.com 148.163.156.1 mx0a-001b2d01.pphosted.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.30 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-loop: libvir-list@redhat.com Cc: Boris Fiuczynski , Peter Krempa Subject: [libvirt] [PATCH] qemu: Refresh state before starting the VCPUs X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 04 Feb 2019 12:36:41 +0000 (UTC) Content-Type: text/plain; charset="utf-8" For normal starts (no incoming migration) the refresh of the QEMU state must be done before the VCPUs getting started since otherwise there might be a race condition between a possible shutdown of the guest OS and the QEMU monitor queries. This fixes "qemu: migration: Refresh device information after transferring state" (93db7eea1b864). Signed-off-by: Marc Hartmayer --- src/qemu/qemu_process.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index dace5aaca102..2a3763f40d49 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -6929,10 +6929,17 @@ qemuProcessStart(virConnectPtr conn, } relabel =3D true; =20 - if (incoming && - incoming->deferredURI && - qemuMigrationDstRun(driver, vm, incoming->deferredURI, asyncJob) <= 0) - goto stop; + if (incoming) { + if (incoming->deferredURI && + qemuMigrationDstRun(driver, vm, incoming->deferredURI, asyncJo= b) < 0) + goto stop; + } else { + /* Refresh state of devices from QEMU. During migration this + * needs to happen after the state information is fully + * transferred. */ + if (qemuProcessRefreshState(driver, vm, asyncJob) < 0) + goto stop; + } =20 if (qemuProcessFinishStartup(driver, vm, asyncJob, !(flags & VIR_QEMU_PROCESS_START_PAUSED), @@ -6945,11 +6952,6 @@ qemuProcessStart(virConnectPtr conn, /* Keep watching qemu log for errors during incoming migration, ot= herwise * unset reporting errors from qemu log. */ qemuMonitorSetDomainLog(priv->mon, NULL, NULL, NULL); - - /* Refresh state of devices from qemu. During migration this needs= to - * happen after the state information is fully transferred. */ - if (qemuProcessRefreshState(driver, vm, asyncJob) < 0) - goto stop; } =20 ret =3D 0; --=20 2.17.0 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list