From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:54294) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDFy9-0008C6-E7 for qemu-devel@nongnu.org; Sun, 16 Sep 2012 10:37:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TDFy8-0004Lu-D6 for qemu-devel@nongnu.org; Sun, 16 Sep 2012 10:37:09 -0400 Received: from mail-oa0-f45.google.com ([209.85.219.45]:40748) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TDFy8-0004Lp-8A for qemu-devel@nongnu.org; Sun, 16 Sep 2012 10:37:08 -0400 Received: by oagn12 with SMTP id n12so3816115oag.4 for ; Sun, 16 Sep 2012 07:37:05 -0700 (PDT) From: Anthony Liguori In-Reply-To: <5055A459.1030909@redhat.com> References: <87pq5r5otp.fsf@codemonkey.ws> <20120912151549.GT20907@redhat.com> <87y5kfrtne.fsf@codemonkey.ws> <20120913104940.GA20907@redhat.com> <5051DC20.4090204@redhat.com> <20120913132804.GO7767@redhat.com> <87r4q6xbiy.fsf@codemonkey.ws> <20120913142228.GK20907@redhat.com> <5051EF0D.4070109@redhat.com> <5051F0CB.9040303@redhat.com> <5051FE85.6070904@redhat.com> <87har1orbl.fsf@codemonkey.ws> <50520189.3050707@redhat.com> <87627h7p7n.fsf@codemonkey.ws> <5055A459.1030909@redhat.com> Date: Sun, 16 Sep 2012 09:37:01 -0500 Message-ID: <87vcfenieq.fsf@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: [Qemu-devel] Rethinking missed tick catchup List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Gleb Natapov , Jan Kiszka , Michael Roth , qemu-devel@nongnu.org, Paolo Bonzini , Luiz Capitulino , Eric Blake Avi Kivity writes: > On 09/13/2012 09:27 PM, Anthony Liguori wrote: >> If there was a better/equivalent solution that didn't depend on qemu-ga, >> I'd be all for it. But there isn't AFAICT. > > Perhaps there is. We fixed the problem for Linux by adding kvmclock and > backporting it to distros that users are most likely to use. Windows > fixed the problem by adding their own pv clock interface. So we need to > implement that, then focus on tick catchup for Windows XP and other > guests with no pv interface (*BSD, etc.) Tick catchup simply isn't going to work. That's the whole point of the thread. > > Those older guests are also less likely to have a qemu-ga port or > administrator motivation to install it. That's a strange assertion to make. FWIW, the issue with hibernation was reported to me with a combination of WinXP and Windows 7 guests, in this case, it's a totally new deployment. Adding qemu-ga is totally reasonable. Regards, Anthony Liguori > > > -- > error compiling committee.c: too many arguments to function