Potential issue with Erlang Common Test when ct:pal/X is called from a config callback module.

my_config.erl

-module(my_config).

-export([read_config/1, check_parameter/1]).

read_config(Config) ->
    ct:pal("pigeon!"),
    {ok, Config}.

check_parameter(Config) ->
    {ok, {config, Config}}.

R15B01 Output

$ erl
Erlang R15B01 (erts-5.9.1) [source] [64-bit] [smp:8:8] [async-threads:0] [kernel-poll:false]

Eshell V5.9.1  (abort with ^G)
1> test:do().

Common Test starting (cwd is /.../ct-bug)

----------------------------------------------------
2013-06-28 13:43:17.525
pigeon!


Common Test: Running make in test directories...

CWD set to: "/.../ct-bug/ct_run.nonode@nohost.2013-06-28_13.43.17"

TEST INFO: 1 test(s), 0 case(s) in 0 suite(s)

Testing *.ct-bug: Starting test, 0 test cases
Testing *.ct-bug: TEST COMPLETE, 0 ok, 0 failed of 0 test cases

Updating /.../ct-bug/index.html... done
Updating /.../ct-bug/all_runs.html... done
ok

R15B03 Output

$ erl
Erlang R15B03 (erts-5.9.3.1) [source] [64-bit] [smp:8:8] [async-threads:0] [hipe] [kernel-poll:false]

Eshell V5.9.3.1  (abort with ^G)
1> test:do().

Common Test starting (cwd is /.../ct-bug)

test.erl

-module(test).

-export([do/0]).

do() ->
    ct:run_test([{dir, "."},
                 {userconfig, [{my_config, ""}]}]).