Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #68122

Re: gdb unable to read python frame information

Path csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path <python-python-list@m.gmane.org>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.001
X-Spam-Evidence '*H*': 1.00; '*S*': 0.00; 'python,': 0.02; 'source,': 0.04; 'configure': 0.05; 'debugging': 0.07; 'explanation': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'python': 0.11; 'attaching': 0.16; 'be:': 0.16; 'outputs': 0.16; 'problem).': 0.16; 'received:80.91.229.3': 0.16; 'received:dip0.t-ipconnect.de': 0.16; 'received:plane.gmane.org': 0.16; 'received:t-ipconnect.de': 0.16; 'symbols': 0.16; 'subject:python': 0.16; 'attach': 0.16; 'command': 0.22; 'import': 0.22; 'install': 0.23; 'header:User-Agent:1': 0.23; 'looks': 0.24; 'source': 0.25; 'script': 0.25; 'this:': 0.26; 'header:X -Complaints-To:1': 0.27; 'errors': 0.30; 'writes:': 0.31; 'option': 0.32; 'run': 0.32; 'says': 0.33; 'running': 0.33; 'machine.': 0.36; 'charset:us-ascii': 0.36; 'so,': 0.37; 'level': 0.37; 'skip:[ 10': 0.38; 'to:addr:python-list': 0.38; 'issue': 0.38; 'skip:- 10': 0.38; 'to:addr:python.org': 0.39; 'unable': 0.39; 'received:org': 0.40; 'most': 0.60; 'received:217': 0.63; 'within': 0.65; 'here': 0.66; 'natural': 0.68; 'line,': 0.68; '6.5': 0.84; 'skip:/ 30': 0.84; 'subject:read': 0.84; 'try,': 0.84
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From dieter <dieter@handshake.de>
Subject Re: gdb unable to read python frame information
Date Mon, 10 Mar 2014 08:13:42 +0100
References <0b7f74c8-9c70-4950-b431-6c9bbb3f0058@googlegroups.com> <87mwh2bi1v.fsf@handshake.de> <mailman.7900.1394198618.18130.python-list@python.org> <73e3cfa2-28d3-4647-8a7f-577e41dffbd1@googlegroups.com> <mailman.7932.1394288074.18130.python-list@python.org> <6dc8a38d-d3a6-44fd-8f39-f73cea1ac4c1@googlegroups.com>
Mime-Version 1.0
Content-Type text/plain; charset=us-ascii
X-Gmane-NNTP-Posting-Host pd9e0a80c.dip0.t-ipconnect.de
User-Agent Gnus/5.1008 (Gnus v5.10.8) XEmacs/21.4.22 (linux)
Cancel-Lock sha1:ZqoOsJdv8MgMhyzb4LcKzcFITbM=
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.15
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list/>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.7979.1394435643.18130.python-list@python.org> (permalink)
Lines 36
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1394435643 news.xs4all.nl 2866 [2001:888:2000:d::a6]:33226
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:68122

Show key headers only | View raw

Wesley <nispray@gmail.com> writes:

> So, let me clarify here, in order to try, I get a clean machine.
>
> Centos 6.5 64bit.
> Now , I try this:
> 1. install gdb 7.7 from source , with configure option --with-python
>
> 2. install python 2.6.6 from source, with configure option --with-pydebug
>
> 3. run a python script
>
> 4. from command line, gdb python -p <pid> to attach the running script
>
> 5. within gdb, issue python, import libpython, end 
>   no errors
> 6. py-bt outputs nothing, py-locals says Unable to locate python frame
> here is the snippet:
> [root@localhost Python-2.6.6]# gdb python 52315
> GNU gdb (GDB) 7.7
> ....
> Attaching to program: /home/nipen/test/Python-2.6.6/python, process 52315
> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
> Loaded symbols for /lib64/ld-linux-x86-64.so.2
> 0x00000030a98e15c3 in ?? ()
> (gdb) bt
> #0  0x00000030a98e15c3 in ?? ()
> #1  0x00007f4cf68d1219 in ?? ()
> #2  0x0000000000000000 in ?? ()

This looks like a very strange backtrace on C level as well.

The most natural explanation would be: your process is in a very strange
state (due to some C level problem). But, of course, your
"gdb" might have general problems, as well.

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-06 18:03 -0800
  Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-07 08:10 +0100
    Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-07 02:29 -0800
      Re: gdb unable to read python frame information Ned Deily <nad@acm.org> - 2014-03-07 12:47 -0800
        Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-08 05:31 -0800
          Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-08 06:55 -0800
      Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-08 07:45 +0100
  Re: gdb unable to read python frame information Neal Becker <ndbecker2@gmail.com> - 2014-03-07 08:23 -0500
    Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-08 05:32 -0800
      Re: gdb unable to read python frame information Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-03-08 14:14 +0000
        Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-08 07:01 -0800
          Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-10 08:13 +0100
  Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-08 19:49 -0800
    Re: gdb unable to read python frame information Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-03-09 14:57 +0000
      Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-09 18:06 -0700
        Re: gdb unable to read python frame information Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-03-10 01:48 +0000
          Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-09 19:54 -0700
            Re: gdb unable to read python frame information Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-03-10 03:11 +0000
            Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-10 08:28 +0100
              Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-10 18:43 -0700
                Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-11 08:28 +0100
              Re: gdb unable to read python frame information Wesley <nispray@gmail.com> - 2014-03-10 20:01 -0700
                Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-11 08:31 +0100
        Re: gdb unable to read python frame information dieter <dieter@handshake.de> - 2014-03-10 08:16 +0100
    Re: gdb unable to read python frame information Terry Reedy <tjreedy@udel.edu> - 2014-03-09 14:37 -0400

csiph-web