From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:56554) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UgGoI-0004CT-Ea for qemu-devel@nongnu.org; Sat, 25 May 2013 11:55:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UgGoC-0004sG-F8 for qemu-devel@nongnu.org; Sat, 25 May 2013 11:55:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50366) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UgGoC-0004nG-87 for qemu-devel@nongnu.org; Sat, 25 May 2013 11:55:04 -0400 Message-ID: <51A0DED0.6080104@redhat.com> Date: Sat, 25 May 2013 09:54:56 -0600 From: Eric Blake MIME-Version: 1.0 References: <383ca2b2.8a2a.13edbd4c890.Coremail.kvmluck@163.com> In-Reply-To: <383ca2b2.8a2a.13edbd4c890.Coremail.kvmluck@163.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="----enig2IADVNODJNQWUWUEKQETU" Subject: Re: [Qemu-devel] 2 errors of vnet and snapshot. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: yue-kvm Cc: qemu-devel This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2IADVNODJNQWUWUEKQETU Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 05/25/2013 07:15 AM, yue-kvm wrote: > hi,all > i encounterd 2 errors . qemu 1.5(source code build), libvirt libvirt-0= =2E10.2-18.el6_4.2.x86_64. Are you using RHEL or CentOS? If it is RHEL, then I suggest you ask Red Hat for support. > 1. in guest, i can ping out, but get no answers. even throught i ping H= OST ip. > May 25 20:50:59 ovirtdev NetworkManager[2370]: /sys/devices/virt= ual/net/vnet0: couldn't determine device driver; ignoring... > 2. permissive selinux. and give all permission to everyone . > root@ovirtdev images]# virsh snapshot-create-as linux snapshot1 "snapsh= ot1" --disk-only --atomic > error: internal error unable to execute QEMU command 'transaction': /va= r/lib/libvirt/images/test.snapshot1: error while creating qcow2: Permissi= on denied This error is probably associated with libvirt, not qemu; where libvirt may be setting permissions incorrectly (there have been bug fixes in the past, and libvirt 1.0.5 does much better than libvirt 0.10.2). As such, this is probably not the best list to get help for your issue. Furthermore, it would help if you show the entire backing chain of the file that you are trying to snapshot (qemu-img info /var/lib/libvirt/images/test.snapshot1). --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org ------enig2IADVNODJNQWUWUEKQETU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJRoN7QAAoJEKeha0olJ0NqVeYH/ArCSejLDa1yR7SeLENYNALb MuC6k1Qh6Nau2nf67roekQVmDPpCpoZerE2JQxwJFwKP1EYOHRByIcHhlUQgzzAi i/Z2AnLhgpKtELZtTgItL7BSkqmGMDtkwV8ScvMMB+1YD4xQBCTOucJc1qb968Qu u+5C9QVWmyhUZCywa86x+KXYNiDI+5tXG/P/6NOl+OGHV32+CbcwDtu2eYqvPuCY Qksz2bj9wOkUE0MkL67a0nuEw0x3YqzhHArezMEMf4cUWSzIs0bnFJtHqaHZweET Zen6l46vtPvEopg5RbT/GJJuSMCxiaVos6ls3Aj45KvgrBnVQkeUtIJffPIBTzc= =84Gd -----END PGP SIGNATURE----- ------enig2IADVNODJNQWUWUEKQETU--