[Python-Dev] Python tests fails on HP-UX 11.11 and core dumps

[Senthil Prabu.S]

Hello Experts,
       I tried python -4.2.1 on a HP-UX 11.11 PA machine. I was able to 
python. Gmake passes, gmake test results in error. The python reported 
that test_pty fails,when running this test alone.

Can anyone help to find why core dumps at running the test_subprocess.py test.
Also how can I solve it?
Have anyone faced the same problem earlier.

The details are given below;
# ../../python test_pty.py
Calling master_open()
Got master_fd '3', slave_name '/dev/pts/0'
Calling slave_open('/dev/pts/0')
Got slave_fd '4'
Traceback (most recent call last):
  File "test_pty.py", line 58, in ?
    test_basic_pty()
  File "test_pty.py", line 29, in test_basic_pty
    if not os.isatty(slave_fd):
  File "test_pty.py", line 50, in handle_sig
    raise TestFailed, "isatty hung"
test.test_support.TestFailed: isatty hung
#

# ../../python test_subprocess.py
test_args_string (__main__.ProcessTestCase) ... ok
test_call_kwargs (__main__.ProcessTestCase) ... ok
test_call_seq (__main__.ProcessTestCase) ... ok
test_call_string (__main__.ProcessTestCase) ... ok
test_communicate (__main__.ProcessTestCase) ... ok
test_communicate_pipe_buf (__main__.ProcessTestCase) ... ok
test_communicate_returns (__main__.ProcessTestCase) ... ok
test_cwd (__main__.ProcessTestCase) ... ok
test_env (__main__.ProcessTestCase) ... ok
test_exceptions (__main__.ProcessTestCase) ... ok
test_executable (__main__.ProcessTestCase) ... ok
test_invalid_args (__main__.ProcessTestCase) ... ok
test_invalid_bufsize (__main__.ProcessTestCase) ... ok
test_list2cmdline (__main__.ProcessTestCase) ... ok
test_no_leaking (__main__.ProcessTestCase) ... ok
test_poll (__main__.ProcessTestCase) ... ok
test_preexec (__main__.ProcessTestCase) ... ok
test_run_abort (__main__.ProcessTestCase) ... ok
test_shell_sequence (__main__.ProcessTestCase) ... ok
test_shell_string (__main__.ProcessTestCase) ... ok
test_stderr_filedes (__main__.ProcessTestCase) ... ok
test_stderr_fileobj (__main__.ProcessTestCase) ... ok
test_stderr_none (__main__.ProcessTestCase) ... ok
test_stderr_pipe (__main__.ProcessTestCase) ... ok
test_stdin_filedes (__main__.ProcessTestCase) ... ok
test_stdin_fileobj (__main__.ProcessTestCase) ... ok
test_stdin_none (__main__.ProcessTestCase) ... ok
test_stdin_pipe (__main__.ProcessTestCase) ... ok
test_stdout_filedes (__main__.ProcessTestCase) ... ok
test_stdout_fileobj (__main__.ProcessTestCase) ... ok
    this bit of output is from a test of stdout in a different process ...
test_stdout_none (__main__.ProcessTestCase) ... ok
test_stdout_pipe (__main__.ProcessTestCase) ... ok
test_stdout_stderr_file (__main__.ProcessTestCase) ... ok
test_stdout_stderr_pipe (__main__.ProcessTestCase) ... ok
test_universal_newlines (__main__.ProcessTestCase) ... ok
test_universal_newlines_communicate (__main__.ProcessTestCase) ... ok
test_wait (__main__.ProcessTestCase) ... ok
test_writes_before_communicate (__main__.ProcessTestCase) ... ok

----------------------------------------------------------------------
Ran 38 tests in 8.171s


Analysing the core file through GDB;
# gdb ../../python core
HP gdb 4.5 for PA-RISC 1.1 or 2.0 (narrow), HP-UX 11.00
and target hppa1.1-hp-hpux11.00.
Copyright 1986 - 2001 Free Software Foundation, Inc.
Hewlett-Packard Wildebeest 4.5 (based on GDB) is covered by the
GNU General Public License. Type "show copying" to see the conditions to
change it and/or distribute copies. Type "show warranty" for warranty/support.
..
Core was generated by `python'.
Program terminated with signal 6, Aborted.
#0  0xc020bad0 in kill+0x10 () from /usr/lib/libc.2
(gdb) bt
#0  0xc020bad0 in kill+0x10 () from /usr/lib/libc.2
#1  0xc01a655c in raise+0x24 () from /usr/lib/libc.2
#2  0xc01e69a8 in abort_C+0x160 () from /usr/lib/libc.2
#3  0xc01e6a04 in abort+0x1c () from /usr/lib/libc.2
#4  0xffbe4 in posix_abort (self=0x40029098, noargs=0x0) at ./Modules/posixmodule.c:7158
#5  0xc9b7c in PyEval_EvalFrame (f=0x40028e54) at Python/ceval.c:3531
#6  0xc01a655c in raise+0x24 () from /usr/lib/libc.2
#7  0x475b0 in freechildren (n=0x0) at Parser/node.c:131
(gdb)

Build Environment;
GCC - gcc version 3.4.3
HP-UX omega B.11.11 U 9000/800 
./configure --prefix=/opt/iexpress/python --disable-ipv6 --with-signal-module --with-threads
Earlier, I faced problem while gmake, and make changes as per the following link;
   https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1071597&group_id=5470
And I was able to build Python succesfully.

Also, the overall result of tests are;
250 tests OK.
1 test failed:
    test_pty
39 tests skipped:
    test_aepack test_al test_applesingle test_bsddb test_bsddb185
    test_bsddb3 test_bz2 test_cd test_cl test_codecmaps_cn
    test_codecmaps_hk test_codecmaps_jp test_codecmaps_kr
    test_codecmaps_tw test_curses test_dl test_gdbm test_gl
    test_imgfile test_largefile test_linuxaudiodev test_locale
    test_macfs test_macostools test_nis test_normalization
    test_ossaudiodev test_pep277 test_plistlib test_scriptpackages
    test_socket_ssl test_socketserver test_sunaudiodev test_tcl
    test_timeout test_urllib2net test_urllibnet test_winreg
    test_winsound
2 skips unexpected on hp-ux11:
    test_tcl test_bz2
gmake: *** [test] Error 1

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