[lttng-dev] UST Create Channel Failed, Why?

Jérémie Galarneau jeremie.galarneau at efficios.com
Tue Jul 7 11:20:36 EDT 2015


Hi Dilong,

How do you create this channel and using which version of LTTng?

Jérémie

On Mon, Jul 6, 2015 at 2:11 PM, Dilong Zheng <Dilong.Zheng at mitel.com> wrote:

>  Hi all,
>
>
>  While trying to enable UST events, I get the following error message:
>
>
>  Error: Event mitel:sem_wait_entry: UST create channel failed (channel
> channel0, session mcdUST3)
>
>
>  When I type: lttng list -u I am able to see a list of all my UST
> tracepoints.
>
> Could someone please provide some insight as to why this error is
> appearing and steps I could take to fix this error. Thanks.
>
>
>
>
>
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>
>


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