From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: RE: [PATCH] small adjustment to asm constraintsforc/s19400 Date: Tue, 31 Mar 2009 12:30:02 +0100 Message-ID: <49D21ADA.76E4.0078.0@novell.com> References: <8FED46E8A9CA574792FC7AACAC38FE7701D4B7A421@PDSMSX501.ccr.corp.intel.com> <8FED46E8A9CA574792FC7AACAC38FE7701D4B7A7D8@PDSMSX501.ccr.corp.intel.com> <49D0A942.76E4.0078.0@novell.com> <8FED46E8A9CA574792FC7AACAC38FE7701D4EAF926@PDSMSX501.ccr.corp.intel.com> <49D1FD66.76E4.0078.0@novell.com> <0A882F4D99BBF6449D58E61AAFD7EDD6101840E9@pdsmsx502.ccr.corp.intel.com> <49D20950.76E4.0078.0@novell.com> <0A882F4D99BBF6449D58E61AAFD7EDD61018410D@pdsmsx502.ccr.corp.intel.com> <49D2128A.76E4.0078.0@novell.com> <0A882F4D99BBF6449D58E61AAFD7EDD61018412B@pdsmsx502.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <0A882F4D99BBF6449D58E61AAFD7EDD61018412B@pdsmsx502.ccr.corp.intel.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Guanqun Lu , Kevin Tian Cc: "xen-devel@lists.xensource.com" , KeirFraser List-Id: xen-devel@lists.xenproject.org >>> "Tian, Kevin" 31.03.09 13:09 >>> >Thanks. After recovering those 3 SYSENTER MSRs, now 32-on-64 >S3 could succeeds several times which is a big step. However there >seems to be some other instability issues to cause machine=20 >occasionally reboot after more S3 actions. Both screen and serial >port is dark and thus no more info is available. We'll continue to dig = out=20 >the exact reason. But this shouldn't prevent sending out this=20 >reasonable fix anyway. I think you need to be a little more careful here - subarch_percpu_traps_in= it() writes them only on Intel CPUs, and I think you ought to follow this for both saving and restoring them. Jan