From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45185) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U1NQl-0005VN-Su for qemu-devel@nongnu.org; Fri, 01 Feb 2013 15:45:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U1NND-0001vV-Bz for qemu-devel@nongnu.org; Fri, 01 Feb 2013 15:41:51 -0500 Received: from e7.ny.us.ibm.com ([32.97.182.137]:40096) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U1NND-0001vO-8O for qemu-devel@nongnu.org; Fri, 01 Feb 2013 15:38:11 -0500 Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 1 Feb 2013 15:38:10 -0500 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id A08126E8044 for ; Fri, 1 Feb 2013 15:38:05 -0500 (EST) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r11Kc5gW113528 for ; Fri, 1 Feb 2013 15:38:06 -0500 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r11Kb0Mn005010 for ; Fri, 1 Feb 2013 13:37:00 -0700 From: Anthony Liguori In-Reply-To: <510C25F2.8000406@msgid.tls.msk.ru> References: <510C2327.5080707@msgid.tls.msk.ru> <510C25F2.8000406@msgid.tls.msk.ru> Date: Fri, 01 Feb 2013 14:36:56 -0600 Message-ID: <87fw1fbwk7.fsf@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] Headsup: windows virtio networking does not work on current git List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Michael Tokarev , qemu-devel Cc: Jason Wang , Vadim Rozenfeld , "Michael S. Tsirkin" Michael Tokarev writes: > 02.02.2013 00:18, Michael Tokarev =D0=BF=D0=B8=D1=88=D0=B5=D1=82: >> Just a heads-up for now, no real diagnostics or anything like that. >> >> Current git master (a9c87c586ba9ee290792a98dc126b2861b7f8b03), when boot= ed >> a windows guest, results in no virtio-net inside. Neither winXP nor Win= 7, >> neither older nor latest (22 Jan 2013) virtio-net drivers works. >> >> Windows displays a yellow exclamation mark near the virtio-net device and >> says it can't start the device (Code 10). >> >> Linux guests work fine, quick test anyway. >> >> Cc'ing Jason since his virtio-net changes was last. But I repeat: no >> diagnostics as of yet, no bisection. > > Bisection was easy, since win works fine right before the multiqueue > virtio-net series. This is the first bad commit: Adding Vadim and Michael. If you use -M pc-1.3 or explicitly disable multiqueue, does the driver work? Regards, Anthony Liguori > > commit fed699f9ca6ae8a0fb62803334cf46fa64d1eb91 > Author: Jason Wang > Date: Wed Jan 30 19:12:39 2013 +0800 > > virtio-net: multiqueue support > > This patch implements both userspace and vhost support for multiple = queue > virtio-net (VIRTIO_NET_F_MQ). This is done by introducing an array of > VirtIONetQueue to VirtIONet. > > Signed-off-by: Jason Wang > Signed-off-by: Anthony Liguori > > After this commit, win guest (winXP and win7) shows yellow > exclamation sign and is unable to start the device with > code 10. > > FWIW. I'm not sure it is a good idea to make a release with > such a breakage, even rc0. > > Thanks, > > /mjt