Re: mc-2005-05-21-03: Segfault

From: Pavel Tsekov <ptsekov gmx net>
Subject: Re: mc-2005-05-21-03: Segfault
Date: Sat, 25 Jun 2005 16:56:28 +0300


 I compiled and installed mc-2005-05-21-03 with "-g -O0" on a Linux
 2.6.12-based system.

 The final ./configure output was:

    Source code location:       .
    Compiler:                   gcc
    Compiler flags:             -O0 -g
    File system:                Midnight Commander Virtual File System
                                cpiofs, extfs, tarfs, ftpfs, fish, undelfs
    Screen library:             S-Lang library (installed on the system)
    Mouse support:              gpm and xterm
    X11 events support:         yes
    With subshell support:      yes
    Internal editor:            yes
    Support for charset:        no

 I started mc with gdb an dgit the following backtrace:
 (my personal $HOME/.mc was not active at that moment.)

  home solfire:mc-2005-05-21-03> 
  Script done, file is make.log
  The mail in /var/spool/mail/home has been read.
  home solfire:mc-2005-05-21-03> me make.log 
  home solfire:mc-2005-05-21-03> gdb /usr/bin/mc
  GNU gdb 6.3
  Copyright 2004 Free Software Foundation, Inc.
  GDB is free software, covered by the GNU General Public License, and you are
  welcome to change it and/or distribute copies of it under certain conditions.
  Type "show copying" to see the conditions.
  There is absolutely no warranty for GDB.  Type "show warranty" for details.
  This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db library "/lib/".
  (gdb) run 
  Starting program: /usr/bin/mc 
  Program received signal SIGSEGV, Segmentation fault.
  0xb7d55d68 in _int_malloc () from /lib/
  (gdb) backtrace
  #0  0xb7d55d68 in _int_malloc () from /lib/
  #1  0xb7d54f6a in malloc () from /lib/
  #2  0xb7c884a7 in g_malloc () from /usr/lib/
  #3  0x00000006 in ?? ()
  #4  0xb7e11cf8 in __DTOR_END__ () from /lib/
  #5  0x08093388 in is_8bit_printable (c=0 '\0') at util.c:79
  Previous frame inner to this frame (corrupt stack?)

 Kind regards,



On Sat, 25 Jun 2005, Pavel Tsekov wrote:


On Sat, 25 Jun 2005, Meino Christian Cramer wrote:

 I have a mysterious problem:

 I compiled mc as well with my build script:

   unset CFLAGS
   unset CXXFLAGS
   proj=$(basename `pwd`)
   ./configure --prefix=/usr --disable-nls \
   --without-gnome \
   --without-ncurses \
   --with-screen=slang \
   --with-subshell \
   --with-gpm-mouse && \
   make && sudo paco -lp "$proj" "make install"

 as weel with a plain './configure --prefix=/usr'. I tried to move my
 personal ~/.mc/. out of the way.

 But regardless, what I am doing, mc segfaults directly after
 starting. No other action prior to the segfault has been noticed.

 Does something fundamental has changed ? What did I wrong ?

Which version of MC are you trying to use ? On which platform ? If you're

Ok, the first question in answered in the subject . Just ignore it.
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