From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41320) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1diIWt-00058v-En for qemu-devel@nongnu.org; Thu, 17 Aug 2017 07:00:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1diIWo-0004Zb-JW for qemu-devel@nongnu.org; Thu, 17 Aug 2017 06:59:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39748) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1diIWo-0004ZN-AW for qemu-devel@nongnu.org; Thu, 17 Aug 2017 06:59:54 -0400 Date: Thu, 17 Aug 2017 11:59:49 +0100 From: "Dr. David Alan Gilbert" Message-ID: <20170817105949.GB2235@work-vm> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] =?utf-8?q?Guest_init_virtio-serial_port_failed_rand?= =?utf-8?q?omly=EF=BC=8C_qemu-kvm_report_error_about_guest_failure_in_addi?= =?utf-8?q?ng_device_virtio-serial0=2E0?= List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?utf-8?B?55qu5pm6?= Cc: qemu-devel@nongnu.org, vrozenfe@redhat.com * =E7=9A=AE=E6=99=BA (pizhi0616@gmail.com) wrote: > Hi=EF=BC=8CI meet a problem with vm(windows10), my environment is qemu-= kvm-2.3, > virtio-win-0.1.126, host(centos7.2), guest(windows10). > I add four virtio-serial port to vm, if I hard reboot the vm(windows10)= , it > may happen as follows randomly: I'm not too sure how virtio-win version numbering works; but: https://bugzilla.redhat.com/show_bug.cgi?id=3D819412 looks like the same symptom, and says it was fixed in ~2013. Dave >=20 > 2017-08-14T07:51:18.401008Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:51:18.956482Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T07:51:29.176795Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T07:51:34.454819Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 2042451128 for device virtio-serial0.0 > 2017-08-14T07:51:44.655068Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T07:51:49.764201Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:51:59.969836Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T07:52:21.564461Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:52:47.059452Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T07:53:22.710677Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:53:32.781204Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T07:53:48.040513Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 3179968584 for device virtio-serial0.0 > 2017-08-14T07:54:23.547393Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:55:54.350754Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:56:09.393056Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:57:39.670850Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T07:58:09.867650Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1185792 for device virtio-serial0.0 > 2017-08-14T07:59:10.053208Z qemu-kvm: virtio-serial-bus: Unexpected por= t id > 1122983520 for device virtio-serial0.0 > 2017-08-14T08:00:20.235162Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 > 2017-08-14T08:01:20.394196Z qemu-kvm: virtio-serial-bus: Guest failure = in > adding device virtio-serial0.0 >=20 > If qemu-kvm report upper error, it will cause guest failed to init > virtio-serial port. > Thanks. >=20 > Looking forward to your reply. -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK