[lttng-dev] Lttng 2.6 relayd hanged

[Jérémie Galarneau]

Hi Kranthi,

This looks similar to the bug reported by Aravind HT:
http://lists.lttng.org/pipermail/lttng-dev/2015-June/024643.html

Can you provide the commands used to setup the tracing? Are applications
crashing while tracing is active?

Regards,
Jérémie

On Fri, Jul 3, 2015 at 5:32 PM, kranthi kumar <kranthi.vskp at gmail.com>
wrote:

> Dear Sir/Madam,
>
>
>
>   We are using Lttng 2.6
>
>   We are using Lttng for tracing across multiple systems.
>
>   We have a relayd running on a remote-host with several system(4) with 2
> active sessions each, generating traces towards this remote-host.
>
>   After running for 2-3 days, we observed that the tracing systems
> restarted and the sessions are killed.
>
>   However we observed sockets of relayd in ESTABLISHED state.  We also
> verified that ps command showing relayd active. From “netstat –tanp” we
> confirmed that relayd is listening on default port.
>
>
>
>  When we tried to establish new sessions and start streaming towards this
> relayd from our trace generating systems(all 4 one at a time) again, all
> the systems hanged indefinitely without showing any error messages.
>
>
>
> The only way to recover our trace generating systems is to restart the
> relayd on remote host.  If you restart the relayd and then create new
> sessions, streaming can be started again.
>
>
>
> Please let us know if this is a known issue.
>
>
>
>
>
> BR
>
>
>
> Kranthi.
>
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>
>


-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com
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