From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joanna Rutkowska Subject: Re: S3 sleep in dom0 breaks dom0<->domU wallclock synchronization Date: Tue, 06 Jul 2010 16:09:01 +0200 Message-ID: <4C3338FD.90201@invisiblethingslab.com> References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0544164444==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: Jeremy Fitzhardinge , "xen-devel@lists.xensource.com" , Konrad Rzeszutek Wilk , Jan Beulich , Jeremy Fitzhardinge , Rafal Wojtczuk List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============0544164444== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigDF0A578DC864EEB4FEB6BD1F" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigDF0A578DC864EEB4FEB6BD1F Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 07/06/10 14:50, Keir Fraser wrote: > On 06/07/2010 11:27, "Joanna Rutkowska" = > wrote: >=20 >>> Wouldn't it be much simpler to not introduce any new logic at all and= >>> just let Dom0 tools/scripts take care of properly suspending >>> (checkpointing) all (minimally all pv, but I would really think treat= ing >>> different kinds of guests differently here is unnecessary) guests >>> before doing a host suspend, as Jeremy had suggested in an earlier >>> reply? >>> >> >> But wouldn't this require dumping all the VMs memory do disk? Can we u= se >> xm pause instead, i.e. will it notify VMs properly? >=20 > It just requires the guests to be put through a guest-side suspend/resu= me > cycle. The usual tools-side work of saving to disk etc could be elided.= Yes, > it probably makes sense to extend that existing mechanism to include S3= as > well. Just needs someone to do the work. :-) >=20 Perhaps it will also solve the resume problem on Core i5/HT systems... joanna. --------------enigDF0A578DC864EEB4FEB6BD1F Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkwzOQYACgkQORdkotfEW84pqwCdHNSAn9pDuOBLbPv8tuUtNcd/ 7WEAoJogrIasFhUGcjBRGhUmR3rHDImX =Ul8V -----END PGP SIGNATURE----- --------------enigDF0A578DC864EEB4FEB6BD1F-- --===============0544164444== 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.xensource.com http://lists.xensource.com/xen-devel --===============0544164444==--