Sounds like a legitimate problem. Created issue in bugtracker, linked
back to this discussion.

https://github.com/spesmilo/sx/issues/50

On Thu, Mar 20, 2014 at 10:07 AM, Grazcoin <grazcoin@???> wrote:
> You can use virtualbox for testing ubuntu using console.
> I verified the procedure myself (at least until running the sx install
> script).
>
> Instructions:
> 1. download (less than 1GB)
> http://virtualboximages.com/Ubuntu+13.10+amd64+VirtualBox+VDI+Virtual+Appliance
> 2. unrar e
> VirtualBox_-_Ubuntu-13.10-amd64-Desktop_VDI-[VirtualBoxImages.com].rar
> 3. start virtualbox (I assume it is installed).
> 4. New (name obelisk), Next.
> 5. RAM - I gave 4GB, Next
> 6. Use an existing virtual hard drive file - choose
> ubuntu-13.10-desktop-amd64.vdi
> 7. Start machine
> 8. sudo su (password is adminuser)
> 9. apt-get update
> 10. apt-get install git
> 11. git clone https://github.com/spesmilo/sx.git
> 12. sh sx/install-sx.sh
>
> to stop and start networking
> service networking stop
> service networking start
>
> I hope it helps :)
> Grazcoin
>
>
> On 2014-03-19 22:17, Amir Taaki wrote:
>> hey I'll take a look soon. I just accidentally shut off my server today
>> when connected via ssh and tries to shut down the networking. doh
>>
>> On 19/03/14 21:36, Thomas Hartman wrote:
>>> my guess would be that libbitcoin might be the component with
>>> lingering libs. so you might need to "nuke" that more thoroughly.
>>>
>>> On Wed, Mar 19, 2014 at 1:35 PM, Thomas Hartman
>>> <thomas@???> wrote:
>>>> shot in the dark, but
>>>>
>>>> $ make clean
>>>>
>>>> and then run install-sx again?
>>>>
>>>> Sounds like some library component still might have old code.
>>>>
>>>> On Wed, Mar 19, 2014 at 11:12 AM, Grazcoin <grazcoin@???> wrote:
>>>>> I was using the install-sx.sh script cloned today which updates anyway
>>>>> all sources, so I am in HEAD on all components (libbitcoin, libwallet,
>>>>> obelisk, sx, czmqpp, czmq, etc).
>>>>> If you give me some hints or debug instructions, I could try to fix it
>>>>> myself.
>>>>> I am working with ubuntu 13.10
>>>>>
>>>>> On 2014-03-19 18:25, Amir Taaki wrote:
>>>>>> czmqpp-gitUpdate Obelisk and libczmq++
>>>>>> I fixed this a few days ago but should work now.
>>>>>>
>>>>>> On 19/03/14 17:22, Grazcoin wrote:
>>>>>>> I decided to give the latest obelisk a try on ubuntu with offline usage.
>>>>>>> It works already partially.
>>>>>>>
>>>>>>> Starting from a normal setup with network - everything works fine.
>>>>>>>
>>>>>>> Turning off networking.
>>>>>>> # service networking stop
>>>>>>>
>>>>>>> Start worker
>>>>>>> ubuntu@bitcoin:~/worker1$ obworker
>>>>>>> Using config file: /etc/obelisk/worker.cfg
>>>>>>> Press CTRL-C to shut down.
>>>>>>> DEBUG [worker]: Listening: tcp://*:9091
>>>>>>> INFO [worker]: worker ready
>>>>>>> DEBUG [worker]: Heartbeat: tcp://*:9092
>>>>>>> ERROR [protocol]: Failed to start handshake service: Bad stream
>>>>>>> Node started.
>>>>>>>
>>>>>>> Then send a request
>>>>>>> ubuntu@bitcoin:~/worker1$ sx fetch-last-height
>>>>>>> 291345
>>>>>>>
>>>>>>> great! it works!
>>>>>>>
>>>>>>> Then a second request
>>>>>>> ubuntu@bitcoin:~/worker1$ sx fetch-last-height
>>>>>>> oh ...
>>>>>>>
>>>>>>> I get:
>>>>>>>
>>>>>>> obworker: worker/worker.cpp:29: void
>>>>>>> obelisk::send_worker::queue_send(const obelisk::outgoing_message&):
>>>>>>> Assertion `socket.self()' failed.
>>>>>>> Aborted (core dumped)
>>>>>>>
>>>>>>> I use the master HEAD.
>>>>>>> This behavior is repeatable.
>>>>>>>
>>>>>>> Quick fix?
>>>>>>>
>>>>>>>
>>>>>>> On 2014-01-31 20:35, Grazcoin wrote:
>>>>>>>> I tried it on the latest ubuntu...
>>>>>>>>
>>>>>>>> On 2014-01-31 20:34, Thomas Hartman wrote:
>>>>>>>>> I don't know the answer to your question, but what distro are you running?
>>>>>>>>>
>>>>>>>>> It ran out of the box for me on debian 7.1 but not on latest ubuntu.
>>>>>>>>> On Jan 31, 2014, at 6:05 AM, Grazcoin wrote:
>>>>>>>>>
>>>>>>>>>> I was trying to test the functioning of obelisk offline:
>>>>>>>>>>
>>>>>>>>>> 1. started with a normal working online updated setup.
>>>>>>>>>> 2. stopped the obworker and obbalancer.
>>>>>>>>>> 3. updated /usr/local/etc/obelisk/worker.cfg with outgoing-connections = 0 and listener_enabled = false
>>>>>>>>>> 4. tried to start obworker, and got a crash. No extra info on the error.log
>>>>>>>>>>
>>>>>>>>>> What is the correct config to make this work?
>>>>>>>>>>
>>>>>>>>>> git is in sync.
>>>>>>>>>>
>>>>>>>>>> [jan-31 14:57:29] dev@dev-laptop:~/worker1$ obworker
>>>>>>>>>> Using config file: /usr/local/etc/obelisk/worker.cfg
>>>>>>>>>> Press CTRL-C to shut down.
>>>>>>>>>> DEBUG [worker]: Connecting: tcp://localhost:9092
>>>>>>>>>> INFO [worker]: worker ready
>>>>>>>>>> ERROR [protocol]: Failed to start handshake service: Bad stream
>>>>>>>>>> ERROR: Unable to start session: Bad stream
>>>>>>>>>> terminate called without an active exception
>>>>>>>>>> Aborted (core dumped)
>>>>>>>>>> [jan-31 14:57:39] dev@dev-laptop:~/worker1$ cat /usr/local/etc/obelisk/worker.cfg
>>>>>>>>>> # Debug messages output file.
>>>>>>>>>> output-file = "debug.log"
>>>>>>>>>> # Error messages output file.
>>>>>>>>>> error-file = "error.log"
>>>>>>>>>> # Path to blockchain directory.
>>>>>>>>>> blockchain-path = "./blockchain/"
>>>>>>>>>> # List of hosts (loaded on startup, saved on exit).
>>>>>>>>>> # If non-existant or empty then Obelisk/libbitcoin will
>>>>>>>>>> # fall back to trying seed nodes instead.
>>>>>>>>>> hosts-file = "hosts"
>>>>>>>>>> # Next 2 values ignored if publisher is disabled
>>>>>>>>>> publisher_enabled = false
>>>>>>>>>> block-publish = "tcp://*:9093"
>>>>>>>>>> tx-publish = "tcp://*:9094"
>>>>>>>>>> # Connection to the balancer.
>>>>>>>>>> # Which port to connect to the load balancer on.
>>>>>>>>>> service = "tcp://localhost:9092"
>>>>>>>>>>
>>>>>>>>>> # Advanced features:
>>>>>>>>>> # Uncomment to give this worker a named UUID. Must be unique.
>>>>>>>>>> #name = "ada"
>>>>>>>>>> # Number of outgoing network connections to p2p network.
>>>>>>>>>> outgoing-connections = 0
>>>>>>>>>> # Listening for incoming connections.
>>>>>>>>>> listener_enabled = false
>>>>>>>>>> # Add manual outgoing nodes below.
>>>>>>>>>> #nodes = (
>>>>>>>>>> # ("localhost", 8333)
>>>>>>>>>> #)
>>>>>>>>>> # Show Obelisk requests in the log file for debugging or security.
>>>>>>>>>> # Slows down Obelisk speed. Disabled by default.
>>>>>>>>>> #log_requests = true
>>>>>>>>>>
>>>>>>>>>>
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>>>>>>>
>>>>>>
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