From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44361) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1nwH-0002kF-Nm for qemu-devel@nongnu.org; Thu, 18 Dec 2014 22:09:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y1nwD-0005lV-8K for qemu-devel@nongnu.org; Thu, 18 Dec 2014 22:09:13 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59301) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1nwC-0005lN-Vo for qemu-devel@nongnu.org; Thu, 18 Dec 2014 22:09:09 -0500 Date: Fri, 19 Dec 2014 11:09:24 +0800 From: Amos Kong Message-ID: <20141219030924.GA13664@air> References: <1418894539-13990-1-git-send-email-akong@redhat.com> <1418897107.6411.1@smtp.corp.redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="4Ckj6UjgE2iN1+kY" Content-Disposition: inline In-Reply-To: <1418897107.6411.1@smtp.corp.redhat.com> Subject: Re: [Qemu-devel] [PATCH 0/2] ignore bus master for e1000 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jason Wang Cc: somlo@cmu.edu, marcel.a@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, mst@redhat.com --4Ckj6UjgE2iN1+kY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 18, 2014 at 10:13:07AM +0008, Jason Wang wrote: >=20 >=20 > On Thu, Dec 18, 2014 at 5:22 PM, Amos Kong wrote: > >Win2012-64r2 guest doesn't set bus mastering correctly, > >it caused guest network down, this patch ignored it for > >e1000 nic for workarounding the guest issue. > > > >Patch 1 is an update version of: > >http://lists.gnu.org/archive/html/qemu-devel/2014-12/msg00048.html > >transmit packets are also defered in latest version. > > > >Amos Kong (1): > > e1000: unconditionally enable bus mastering > > > >Michael S. Tsirkin (1): > > e1000: defer packets until BM enabled > > > > hw/net/e1000.c | 34 +++++++++++++++++++++++++++++++++- > > 1 file changed, 33 insertions(+), 1 deletion(-) > > > >--=20 > >2.1.0 >=20 > Another question unrelated to this series: > Does 82540EM still supported by Win2k12? 82540EM isn't in the support list. Some users want to use emulated e1000 to debug Windows guests. I will try other emulated nics in QEMU. > The following link shows that 82540EM were not supported in Win2k12. > https://downloadcenter.intel.com/SearchResult.aspx?lang=3Deng&ProdId=3D983 >=20 > The oldest 825x card supported by 2k12 seems 82574. > https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=3D21694&lang=3D= eng&ProdId=3D3189 =20 > If yes, workaround a buggy driver may be endless work in the future. I think so. --=20 Amos. --4Ckj6UjgE2iN1+kY Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUk5bkAAoJELxSv6I5vP9jGMsP/i+pKtB9XPjEDGX/gIFoB2+V cigopoM2U1nwkP0WvbhNKj7suO9WmFcCUSS1KutcxgtZjpXmHPlDVaiihhfGudI9 pRBqFlMJYHcwx+sgCUBxABm9o7K4cBY7VqYcYrSIamLlw6FxKe4yCFRl+NugAYN9 VKsX8VtyqUNJcW9aUupNTRzZnnr1j7gmHkDdkuAlpyrd65d+H7QzPQGQvu+gzEAS 5p1GmB7umN3A2je8jdsvVE0w13QDkZEFkuriqyfQiuZ1ax65ZcWuLID2sEVTAnQC WfXVqiKt1p6u6/KbR3Twhl+oO+Vl0494NJp2fADmVOWZbLlB74/EcfPzrm6U+TYh ydNCJsbbSyzLQyAAwZgetRleVee4gFmgflhm1KmeKddT0244/v5iyRMWJWYHCi/H zvWflMjKMXsYFnw3Lr/9JqEqY91MQPaNw2Jp6tAnDi7gh/j29ruUWVVLQp4ssbsB MvNlSpByCTtYv5AGILO2yB16AhykTNnRzU5YsN8fk3tTDWq5PSIo5QiT1kobjuhr kz2qWPlBBbXyqK4ZOUgdDY4rlYyUpabfgtfVxPEX8BcD6HacDudfr843vtCq2MeQ iXNyBDC20QdFZapYs+Hr93q9NgvKmVxAbmqqXFAzaYyW4m6f9EJbhcS3ofnW4v0P uA0jUdLjCLHJD2pt5jFv =K9GD -----END PGP SIGNATURE----- --4Ckj6UjgE2iN1+kY--