Open Stack

that happened to me too.  maybe same root cause?

see http://ubuntuforums.org/showthread.php?t=2223789

cheers
jason



On Mon, May 19, 2014 at 10:59 PM, Martinx - ジェームズ <thiagocmartinsc at gmail.com
> wrote:

> I managed to login into a Ubuntu Instance via `SPICE Console` and there is
> more network outages from within it, take a look ("apt-get update" froze
> too):
>
> --
> http://i.imgur.com/IeEXIjR.png
> --
>
> Am I missing something?!
>
>
> On 20 May 2014 02:47, Martinx - ジェームズ <thiagocmartinsc at gmail.com> wrote:
>
>> Hey Stackers!
>>
>> I'm facing a weird network issue here, with *IceHouse* and *Neutron L3*...
>> Using "Per-Project Router with Private Networks"...
>>
>> I am unable to connect via SSH into an Instance, from its own "Project
>> Namespace Router", look:
>>
>> --
>> root at net-controller-1:~# ip netns exec
>> qrouter-c252886a-1fd0-45dd-9e3b-4233786e7960 ssh -i ~/pem
>> ubuntu at 192.168.1.17 -v
>> OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
>> debug1: Reading configuration data /etc/ssh/ssh_config
>> debug1: /etc/ssh/ssh_config line 19: Applying options for *
>> debug1: Connecting to 192.168.1.17 [192.168.1.17] port 22.
>> debug1: Connection established.
>> debug1: permanently_set_uid: 0/0
>> debug1: identity file /root/pem type -1
>> debug1: identity file /root/pem-cert type -1
>> debug1: Enabling compatibility mode for protocol 2.0
>> debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2
>> debug1: Remote protocol version 2.0, remote software version
>> OpenSSH_6.6p1 Ubuntu-2ubuntu1
>> debug1: match: OpenSSH_6.6p1 Ubuntu-2ubuntu1 pat
>> OpenSSH_6.5*,OpenSSH_6.6* compat 0x14000000
>> debug1: SSH2_MSG_KEXINIT sent
>> ...
>> ...
>> ...ssh stucked!!!
>> ...
>> --
>>
>> The SSH connection froze at "debug1: SSH2_MSG_KEXINIT sent" and it never
>> establishes...
>>
>> From its attached `Floating IP`, the symptom is the same, I can't connect
>> via SSH into a Instance, I tried it with 12.04 and 14.04, same result for
>> both...
>>
>> The Instance looks good from SPICE Consoles (but I need to login with
>> "ubuntu user" via network first, using ssh key).
>>
>> -
>>
>> I'm running tcpdump on both "qr-$INT" and at the Compute Node DATA
>> NETWORK, to see the GREv0 traffic too, here it is:
>>
>> --
>> root at net-controller-1:~# ip netns exec
>> qrouter-c252886a-1fd0-45dd-9e3b-4233786e7960 tcpdump -v -ni qr-eeb0d2f3-42
>>
>> http://paste.openstack.org/show/80969/
>>
>> NOTE: From the line ~16 to 32, SSH was already frozen...
>> --
>>
>> root at compute-node-1:~# tcpdump -ni eth1 | grep -v IP6
>>
>> http://paste.openstack.org/show/80970/
>> --
>>
>> What can I do to deep investigate this?!
>>
>> I double checked everything, including OVS bridges, sysctl.conf, `ethtool
>> --offload ethX gro off` and etc... Don't know what's is wrong...
>>
>> I think that this is the last problem I'm facing with IceHouse, I would
>> like to put it into prod but, I am unable to do it right now...   :-/
>>
>> Tks in advance!
>>
>> Best,
>> Thiago
>>
>
>
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