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Re: [Qemu-devel] broken HMP command: info mtree


From: Daniel P. Berrange
Subject: Re: [Qemu-devel] broken HMP command: info mtree
Date: Fri, 12 Feb 2016 11:17:06 +0000
User-agent: Mutt/1.5.24 (2015-08-30)

On Fri, Feb 12, 2016 at 12:15:26PM +0100, Igor Mammedov wrote:
> On Thu, 11 Feb 2016 16:35:39 +0100
> Igor Mammedov <address@hidden> 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 <address@hidden>
> 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 <address@hidden>
>     Message-Id: <address@hidden>
>     Signed-off-by: Paolo Bonzini <address@hidden>
> 
> 
> build with:
> ./configure --target-list=x86_64-softmmu --enable-debug 
> on RHEL72ish host
> 
> monitor output has to be stdio

Sigh, so much pain from the chardev code. I'll investigate and send a
suitable patch asap.

Regards,
Daniel
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