From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47025) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z7WPA-0007S5-Ri for qemu-devel@nongnu.org; Tue, 23 Jun 2015 18:10:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z7WP5-0006pD-E8 for qemu-devel@nongnu.org; Tue, 23 Jun 2015 18:10:56 -0400 Received: from mail.iv.net.pl ([195.191.233.10]:40854) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z7WP5-0006ow-2G for qemu-devel@nongnu.org; Tue, 23 Jun 2015 18:10:51 -0400 References: <558951D4.1010603@innervision.pl> From: Piotr Rybicki Message-ID: <5589D964.9000806@innervision.pl> Date: Wed, 24 Jun 2015 00:10:44 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] incorrect memory size inside vm List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andrey Korolyov Cc: "qemu-devel@nongnu.org" > Thanks, this is an unexpected behavior, because you are starting with > small amount of total memory exposed to a balloon at the beginning and > there should be no issues except if the inflation races with plugging > in new DIMMs (just a wild guess), dmesg output will be helpful there > as I pointed earlier. Try to start qemu with small amount of 'base' memory (like 1GB), and add (even have static defined, not hotplugged after boot) 8GB in DIMMs but do not online it. My guest see 1GB RAM, balloon see 9GB. At this state, try to shrink guest RAM to 8GB. My guest becomes unresposive and kernel messages loops witch similar string. So, perhaps balloon shoud consider only onlined DIMM RAM and report 1GB in my example. Best regards Piotr Rybicki