From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:57302)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <imammedo@redhat.com>) id 1aUBhG-0006AQ-Na
	for qemu-devel@nongnu.org; Fri, 12 Feb 2016 06:15:35 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <imammedo@redhat.com>) id 1aUBhB-00051C-OI
	for qemu-devel@nongnu.org; Fri, 12 Feb 2016 06:15:34 -0500
Received: from mx1.redhat.com ([209.132.183.28]:54133)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <imammedo@redhat.com>) id 1aUBhB-00050s-Ig
	for qemu-devel@nongnu.org; Fri, 12 Feb 2016 06:15:29 -0500
Received: from int-mx09.intmail.prod.int.phx2.redhat.com
	(int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22])
	by mx1.redhat.com (Postfix) with ESMTPS id 16DBC92A49
	for <qemu-devel@nongnu.org>; Fri, 12 Feb 2016 11:15:29 +0000 (UTC)
Date: Fri, 12 Feb 2016 12:15:26 +0100
From: Igor Mammedov <imammedo@redhat.com>
Message-ID: <20160212121526.599e75a6@nial.brq.redhat.com>
In-Reply-To: <20160211163539.506a5058@nial.brq.redhat.com>
References: <20160211163539.506a5058@nial.brq.redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] broken HMP command: info mtree
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org, dgilbert@redhat.com
Cc: pbonzini@redhat.com

On Thu, 11 Feb 2016 16:35:39 +0100
Igor Mammedov <imammedo@redhat.com> wrote:

> executing 'info mtree' from monitor prompt causes infinite loop
> printing it over and over.
> 
> to reproduce build current master adn run:
> 
> qemu-system-x86_64 -monitor stdio
> 
> and then execute 'info mtree' in monitor prompt
> 

it bisects to:

commit 9894dc0cdcc397ee5b26370bc53da6d360a363c2
Author: Daniel P. Berrange <berrange@redhat.com>
Date:   Tue Jan 19 11:14:29 2016 +0000

    char: convert from GIOChannel to QIOChannel
    
    In preparation for introducing TLS support to the TCP chardev
    backend, convert existing chardev code from using GIOChannel
    to QIOChannel. This simplifies the chardev code by removing
    most of the OS platform conditional code for dealing with
    file descriptor passing.
    
    Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
    Message-Id: <1453202071-10289-3-git-send-email-berrange@redhat.com>
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>


build with:
./configure --target-list=x86_64-softmmu --enable-debug 
on RHEL72ish host

monitor output has to be stdio