[ltt-dev] Problem in creating trace

[Mathieu Desnoyers]

* madhav chauhan (madhav.singh.chauhan at gmail.com) wrote:
> Hi ,
> I am facing the problem in creating the trace in the following scenarios:
> 
> 1. Using the graphical LTTV to control tracing
>      Steps:
>              1.Run the "*ltt-armall*"
>              2.Entered the root password
>              3.Clicked "start"


This error message is not supposed to be there.

Did you :

enter the correct password ?
Do you use ubuntu ?
Can you use "su" on your system ?
Try to start lttctl from the command line, as root, instead of the GUI.
make sure ltt-control.ko is loaded if configured as a module.

Mathieu

>      *Error Message:*
>            Controlling trace:"trace"
>             Create trace error:Failed to send the netlink message:connection
> refused
>            A problem occured when executing the su command : Operation not
> permitted
> 
> 2.A simple trace dump in trace format
>       Steps:
>            1.Run  "*lttv -m textDump -t /tmp/trace*"
> 
>        *Error Message*:
>              Cannot open trace /tmp/trace
>              /usr/local/bin/lttv:line 15: 3935 segmentation fault
> 
> 
> Can anyone tell me whats the reason?
> 
> 
> Regds,
> Maddy

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-- 
Mathieu Desnoyers
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