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

[Paolo Bonzini <pbonzini@redhat.com>]

On 12/02/2016 12:17, Daniel P. Berrange wrote:
> On Fri, Feb 12, 2016 at 12:15:26PM +0100, Igor Mammedov wrote:
>> 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
> 
> Sigh, so much pain from the chardev code. I'll investigate and send a
> suitable patch asap.

Hmm, I cannot reproduce this though.

Paolo