Re: Cannot recv data: Connection reset by peer

[Javi Legido <javi@xxxxxxxxxx>]

Bonjour Guillaume.

There's a particular reason to compile libvirt rather than install the package for Ubuntu Server? And, there's a particular reason to use LXC?

I'm not an expert, but if you just want to start using KVM and install a VM I can help you through a simpler method.

Regards.

Javier

2013/4/3 Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxxxx>

Hello,

I'm trying to install and use libvirt 1.0.4 on an Ubuntu 12.04.2. I compiled libvirt by doing:

$ ./configure --with-selinux=no --with-gnutls
$ make
$ sudo make install

Everything works fine and are installed under /usr/local
Then I started the libvirtd manually and try to start a linux container that has the following configuration:

$ virsh -c lxc:/// dumpxml lxcvm1
<domain type='lxc'>
 <name>lxcvm1</name>
 <uuid>168edaae-e3b5-2d06-7c65-9aa444a6f234</uuid>
 <memory unit='KiB'>2097152</memory>
 <currentMemory unit='KiB'>2097152</currentMemory>
 <vcpu placement='static'>1</vcpu>
 <os>
   <type arch='x86_64'>exe</type>
   <init>/bin/sh</init>
 </os>
 <clock offset='utc'/>
 <on_poweroff>destroy</on_poweroff>
 <on_reboot>restart</on_reboot>
 <on_crash>destroy</on_crash>
 <devices>
   <emulator>/usr/local/libexec/libvirt_lxc</emulator>
   <filesystem type='mount' accessmode='passthrough'>
     <source dir='/home/thouveng/lxc_dir/lxcvm1/rootfs'/>
     <target dir='/'/>
   </filesystem>
   <console type='pty'>
     <target type='lxc' port='0'/>
   </console>
 </devices>
</domain>

When I start the container I have the following error:

$ virsh -c lxc:/// start lxcvm1
error: Failed to start domain lxcvm1
error: internal error guest failed to start: PATH=/bin:/sbin TERM=linux container=lxc-libvirt container_uuid=168edaae-e3b5-2d06-7c65-9aa444a6f234 LIBVIRT_LXC_UUID=168edaae-e3b5-2d06-7c65-9aa444a6f234 LIBVIRT_LXC_NAME=lxcvm1 /bin/sh
error receiving signal from container: Input/output error

The libvirtd is started with info option so I can see:

2013-04-03 08:49:20.167+0000: 17046: error : virNetSocketReadWire:1362 : Cannot recv data: Connection reset by peer
2013-04-03 08:49:20.267+0000: 17051: error : virLXCProcessStart:1248 : internal error guest failed to start: PATH=/bin:/sbin TERM=linux container=lxc-libvirt container_uuid=168edaae-e3b5-2d06-7c65-9aa444a6f234 LIBVIRT_LXC_UUID=168edaae-e3b5-2d06-7c65-9aa444a6f234 LIBVIRT_LXC_NAME=lxcvm1 /bin/sh
error receiving signal from container: Input/output error


In libvirtd.conf I have:

auth_unix_ro = "none"
auth_unix_rw = "none"
auth_tcp = "none"
auth_tls = "none"

And in libvirt.conf everything is commented.

I have this error as normal user (in libvirtd group) and also as root. Any hints to go further in the debugging are welcome.


Regards,
Guillaume

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