From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:58418) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URkbW-0002LZ-Qu for qemu-devel@nongnu.org; Mon, 15 Apr 2013 10:42:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1URkbS-0001Ak-44 for qemu-devel@nongnu.org; Mon, 15 Apr 2013 10:41:58 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:40307) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URkbR-0001AT-Fq for qemu-devel@nongnu.org; Mon, 15 Apr 2013 10:41:53 -0400 Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 16 Apr 2013 00:32:41 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 6E4632BB0023 for ; Tue, 16 Apr 2013 00:41:46 +1000 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r3FESLZT11862410 for ; Tue, 16 Apr 2013 00:28:21 +1000 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r3FEfi1n023244 for ; Tue, 16 Apr 2013 00:41:45 +1000 From: Anthony Liguori In-Reply-To: <516BF534.3000909@redhat.com> References: <1365426454-6723-1-git-send-email-lilei@linux.vnet.ibm.com> <516BF534.3000909@redhat.com> Date: Mon, 15 Apr 2013 09:41:37 -0500 Message-ID: <87wqs3g8ke.fsf@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: [Qemu-devel] Support for VNC LED state extension proposal List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann , Lei Li Cc: lagarcia@br.ibm.com, qemu-devel@nongnu.org Gerd Hoffmann writes: > Hi, > >> When access a guest by console through VNC, there might be >> mismatch between the lock keys notification LED on the computer >> running the VNC client session and the current status of the lock >> keys on the guest machine. This happens because the VNC protocol >> does not have any support to deal with setting led state. > > What is the exact issue you are trying to fix here? > > The vnc server code in qemu already tracks the keyboard led state and > will insert synthetic key events if needed to make sure vnc client and > guest machine stay in sync. If the guest changes LED state, we want to the client to update the physical keyboard LED state. Think thin client without an X server. Regards, Anthony Liguori > > cheers, > Gerd