[erlang-questions] Emacs Distel error "Module is not interpreted, can't set breakpoints." after interpreting

Robert Dionne <>
Fri Oct 30 00:48:11 CET 2009


it can be finnicky. Some things to try:

the version that is in github. I forked this one: http://github.com/kunley/distel

use -sname when starting and specify that name when connecting

does C-c C-d l  work? It show a list of processes.

who calls acts up (C-c C-d w) and I find the best way to make it work  
is to call the function once directly from the erl vm, .eg.  
distel:who_calls(my_module,my_fun,arity).

I'm running R12B01 on OS X 10.6

Cheers,

Bob



On Oct 29, 2009, at 6:12 PM, joe lee wrote:

> Hi, I used instructions on http://bc.tech.coop/blog/070528.html to
> setup distel debugging. I kept getting error "Module is not
> interpreted, can't set breakpoints." after model interpreting. Here's
> the details:
>
> ========================================
>
> Environment:
>
> GNU Emacs 23.1.1 (x86_64-redhat-linux-gnu, GTK+ Version 2.16.5)
> of 2009-08-03 on x86-4.fedora.phx.redhat.com
>
> Erlang R13B02 (erts-5.7.3) [source] [64-bit] [smp:2:2] [rq:2]
> [async-threads:0] [hipe] [kernel-poll:false]
> ( switching to Erlang R12 5.6.5 [source] [64-bit] also got the same  
> error)
>
> Linux Fedora release 11: fc11.x86_64
>
> Distel from Repository Root: http://distel.googlecode.com/svn
> Revision: 93
> Last Changed Date: 2009-08-02 16:38:33 -0700 (Sun, 02 Aug 2009)
>
> ========================================
>
> Steps:
>
> * compile with debug info
>
> ()>  c(test, debug_info).
>
> ========================================
>
> * connect emacs to erlang node  ( C-c C-d n )
>
> ========================================
>
>
> * distel reload erlang module  ( C-c C-d L)
>
> after this step I can see distel in the erlang node.
>
> ()6>  i().
> ... ...
> <0.33.0>              supervisor:kernel/1                     
> 233       57    0
> kernel_safe_sup       gen_server:loop/6                        9
> <0.36.0>              erlang:apply/2                        2584     
> 40333    0
>                      rpc:local_call/3                        49
> <0.46.0>              inet_tcp_dist:do_accept/6               
> 610      516    0
>                      dist_util:con_loop/9                    11
> <0.50.0>              distel:gl_proxy/1                       
> 233        1    0
> 'distel_gl_for_<8785. distel:gl_proxy/1                        4
> Total                                                      28992    
> 812442    0
>                                                             286
> ok
>
>
> ========================================
>
> * Toggle debug interpreting of the module ( C-c C-d i)
> got messsage : Interpreting: test
> got distel:debug_subscriber* in i() output
>
>
> ()7>  i().
>
> ... ...
> <0.46.0>              inet_tcp_dist:do_accept/6               
> 987      803    0
>                      dist_util:con_loop/9                    11
> <0.50.0>              distel:gl_proxy/1                       
> 233        1    0
> 'distel_gl_for_<8785. distel:gl_proxy/1                        4
> <0.53.0>              distel:debug_subscriber_init/2          
> 233       37    0
>                      distel:debug_subscriber/1                5
> <0.55.0>              dbg_iserver:init/1                      
> 377      104    0
> dbg_iserver           gen_server:loop/6                        9
> Total                                                      29945    
> 901441    0
>                                                             303
>
> ========================================
>
> * Toggle a breakpoint at current line ( C-c SPC)
> got messsage : Module is not interpreted, can't set breakpoints.
>
> When distel debugging work, i() should show two new process
> distel:attach_init/2,
> distel:attach_loop/1,
> but now it doesn't:
>
>
> ()8>  i().
> ... ...
>
>
> <0.46.0>              inet_tcp_dist:do_accept/6              987      
> 1248    0
>                      dist_util:con_loop/9                    11
> <0.50.0>              distel:gl_proxy/1                       
> 233        1    0
> 'distel_gl_for_<8785. distel:gl_proxy/1                        4
> <0.53.0>              distel:debug_subscriber_init/2          
> 233       37    0
>                      distel:debug_subscriber/1                5
> <0.55.0>              dbg_iserver:init/1                      
> 377      104    0
> dbg_iserver           gen_server:loop/6                        9
> Total                                                      30322    
> 967176    1
>
>
> ~/.erlang.cookie has been set, erlang:get_cookie() returns correctly.
>
> I tried reload and interpret the module multiple times and also
> switched to erlang R12, still got the same result.
>
> I tried to connect to a erlang node outside of emacs, emacs showed a
> popup windows "Attach debugger to  instead of " when
> interpreting, but still got the same error "Module is not interpreted,
> can't set breakpoints."
>
> Does anyone know how to get information to troubleshooting this  
> problem ?
>
> Thanks a lot.
>
> John
>
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>



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