From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Haigh Subject: Re: vnc=1 / pvgrub / close fb: backend at /local/domain/0/backend/vfb/xx/0 Date: Wed, 22 Oct 2014 08:24:45 +1100 Message-ID: <5446CF1D.6030307@crc.id.au> References: <544678FE.2000801@crc.id.au> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============3288520919627507841==" Return-path: In-Reply-To: <544678FE.2000801@crc.id.au> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============3288520919627507841== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cHWinVe52GDdEhxX8UAPSd8DRTFKDxj4F" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --cHWinVe52GDdEhxX8UAPSd8DRTFKDxj4F Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable As a side note to this - if I use pygrub as a bootloader vs using pvgrub, then VNC works perfectly. So, what options exist to make pvgrub behave properly for booting with VNC enabled? On 22/10/2014 2:17 AM, Steven Haigh wrote: > Hi all, >=20 > I'm toying around with having VNC accessable for some PV guests - but > having a bit of an issue. >=20 > 1) When vnc is enabled, the grub menu shown via pvgrub stays until a > selection is made on the vnc console. The timeout does not seem to ever= > kick in and the DomU more or less sits there churning CPU waiting for a= > selection. Once a selection is made, we move to problem #2. >=20 > 2) When the DomU boots, I see this as one of the last messages before > the DomU kernel takes over: >=20 > backend at /local/domain/0/backend/vfb/55/0 > /local/domain/0/backend/vkbd/55/0 connected > ************************** KBDFRONT > Thread "kbdfront" exited. > /local/domain/0/backend/vfb/55/0 connected > ************************** FBFRONT > Thread "kbdfront close": pointer: 0x2200004550, stack: 0x3a30000 > close fb: backend at /local/domain/0/backend/vfb/55/0 > close kbd: backend at /local/domain/0/backend/vkbd/55/0 > Booting 'Scientific Linux (3.14.21-1.el6xen.x86_64)' >=20 > At this point, the VNC server dies and never returns. No VNC connection= s > are accepted at this point on - and the port (verified via netstat -lnp= ) > is not open. >=20 > I have tried this with both the following layouts of options: > vfb =3D [ 'type=3Dvnc, vnclisten=3D192.168.1.1, vncpasswd=3Dsupasecret,= > vncdisplay=3D10' ] >=20 > and; > vnc =3D 1 > vnclisten =3D "192.168.1.1" >=20 > Has anyone had VNC working properly? >=20 > # xl info > host : xenhost.local > release : 3.14.20-1.el6xen.x86_64 > version : #1 SMP Mon Oct 6 22:03:42 EST 2014 > machine : x86_64 > nr_cpus : 8 > max_cpu_id : 7 > nr_nodes : 1 > cores_per_socket : 4 > threads_per_core : 1 > cpu_mhz : 2327 > hw_caps : > bfebfbff:20000800:00000000:00000900:0004e3bd:00000000:00000001:00000000= > virt_caps : hvm > total_memory : 20479 > free_memory : 2587 > sharing_freed_memory : 0 > sharing_used_memory : 0 > outstanding_claims : 0 > free_cpus : 0 > xen_major : 4 > xen_minor : 4 > xen_extra : .1 > xen_version : 4.4.1 > xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 > hvm-3.0-x86_32p hvm-3.0-x86_64 > xen_scheduler : credit > xen_pagesize : 4096 > platform_params : virt_start=3D0xffff800000000000 > xen_changeset : > xen_commandline : dom0_mem=3D1G cpufreq=3Dxen dom0_max_vcpus=3D1= > dom0_vcpus_pin console=3Dtty0 console=3Dcom1 com1=3D115200,8n1 > cc_compiler : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4) > cc_compile_by : mockbuild > cc_compile_domain : crc.id.au > cc_compile_date : Tue Oct 7 01:00:52 EST 2014 > xend_config_format : 4 >=20 >=20 >=20 >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel >=20 --=20 Steven Haigh Email: netwiz@crc.id.au Web: http://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897 --cHWinVe52GDdEhxX8UAPSd8DRTFKDxj4F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQIcBAEBAgAGBQJURs8lAAoJEEGvNdV6fTHcuU0P+weVVDSApitoZ1++7D/g2UKp wLMX1LL7NsgloqU69xtkTlF3JnOQQ7agufpV94MvotyPPNDXmI3SNle7V8UzMUvw M0M9nTnZvYAeQ3hBuEcXt+4alawJ55YzDUwzzbZvqSpP36nvpBEsRY6UN+ETOKYk H12Mcgdqf7oFPAZKGSbUN6g88taMbI6ZlVkwTuoHV1WtaVeJaliGjELZdLyph5vW r0ZvrTzluKcdqbN3nGht08+CjO2wICRPCBiS8flmLA5qqBk7YkC//Y8ZHasEzyDY /PJq5v2eKLNKE9yu1xF3ttUVEbfrcIPAjQysSYfwDcYQ9pTSS+ib4FgmztS967In 1T1nAwNeUvCpRDFNoJs/ErKF/iy0RRYOIPD7XjJHPMfO6FuzL8hbFmYn/VPEe3Hb FHF9gAvAN9qHNWc5oUd+qdNFGEBVh6Y0gQiNix75RnFbJ8aFUATrXN/1y+qANmhd zg6E1q4HQZ+xtsiiKDoUZe0pQ4FOizrtubtXEzDkQhp7/4KJH7jP8hHd38wUxNg8 Wh0E8nB59p4RZ83t0sM92HlJc30PJTiRK3O81ZvvAO+MjrosQEKtsIbv9h8588fW +pxTq9aItmAdkEsV7QRb5eHWU/WsGWvk4jyiAI81WCP1e2cJuggAmVBAs6WMzb5f y0r17WjXxicVWMrXYS6s =DNth -----END PGP SIGNATURE----- --cHWinVe52GDdEhxX8UAPSd8DRTFKDxj4F-- --===============3288520919627507841== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============3288520919627507841==--