From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40992) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UiSMz-0008DM-Vi for qemu-devel@nongnu.org; Fri, 31 May 2013 12:40:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UiSHS-0004Ec-7H for qemu-devel@nongnu.org; Fri, 31 May 2013 12:34:55 -0400 Received: from cantor2.suse.de ([195.135.220.15]:57735 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UiSHR-0004EQ-Uq for qemu-devel@nongnu.org; Fri, 31 May 2013 12:34:18 -0400 Message-ID: <51A8D107.6070201@suse.de> Date: Fri, 31 May 2013 18:34:15 +0200 From: =?ISO-8859-15?Q?Andreas_F=E4rber?= MIME-Version: 1.0 References: <1369309901-418-1-git-send-email-borntraeger@de.ibm.com> In-Reply-To: <1369309901-418-1-git-send-email-borntraeger@de.ibm.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH] s390/ipl: Fix spurious errors in virtio List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christian Borntraeger Cc: aliguori@us.ibm.com, Alexander Graf , qemu-devel Am 23.05.2013 13:51, schrieb Christian Borntraeger: > With the ccw ipl code sometimes an error message like > "virtio: trying to map MMIO memory" or > "Guest moved used index from %u to %u" appeared. Turns out > that the ccw bios did not zero out the vring, which might > cause stale values in avail->idx and friends, especially > on reboot. >=20 > Lets zero out the relevant fields. To activate the patch we > need to rebuild s390-ccw.img as well. >=20 > Signed-off-by: Christian Borntraeger Tested-by: Andreas F=E4rber Indeed no such errors any more, but I'm still seeing other issues with rebooting some initrds (BNC#812983). Andreas --=20 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imend=F6rffer; HRB 16746 AG N=FCrnbe= rg