[Bug 1145326] Re: xorg-app-xconsole-1.0.5-1.x86_64 segfault on start

[Elan Ruusamäe]

and ltrace, just in case

# ltrace xconsole 
__libc_start_main(0x401af0, 1, 0x7fff1e53f918, 0x402d70, 0x402e00 <unfinished ...>
XtSetLanguageProc(0, 0, 0, 0x401af0, 0x7f78e885dcc0)                                        = 0x7f78e8dc5dd0
XtInitialize(0x402e19, 0x402e49, 0x604320, 7, 0x7fff1e53f78c)                               = 0x12cd580
XtGetApplicationResources(0x12cd580, 0x6045b0, 0x604440, 7, 0)                              = 0
XtAddActions(0x604400, 4, 0x7f78e885c658, 0, 0)                                             = 0
XtCreateManagedWidget(0x402e52, 0x7f78e94885c0, 0x12cd580, 0, 0Warning: Unable to load any usable ISO8859 font
 <unfinished ...>
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++

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https://bugs.launchpad.net/bugs/1145326

Title:
  xorg-app-xconsole-1.0.5-1.x86_64 segfault on start

Status in PLD Linux Distribution:
  New

Bug description:
  # xconsole 
  Warning: Unable to load any usable ISO8859 font
  Segmentation fault

  
  # gdb xconsole 
  GNU gdb (GDB) 7.5.0-0.20120926.2 (PLD Linux)
  Copyright (C) 2012 Free Software Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  This is free software: you are free to change and redistribute it.
  There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
  and "show warranty" for details.
  This GDB was configured as "x86_64-pld-linux".
  For bug reporting instructions, please see:
  <http://www.gnu.org/software/gdb/bugs/>...
  Reading symbols from /usr/bin/xconsole...Reading symbols from /usr/lib/debug/usr/bin/xconsole.debug...done.
  done.
  (gdb) r
  Starting program: /usr/bin/xconsole 
  Warning: Unable to load any usable ISO8859 font

  Program received signal SIGSEGV, Segmentation fault.
  GetGC (sink=0x637b20) at AsciiSink.c:1658
  1658	    values.font = sink->ascii_sink.font->fid;
  (gdb) bt
  #0  GetGC (sink=0x637b20) at AsciiSink.c:1658
  #1  XawAsciiSinkInitialize (request=<optimized out>, cnew=0x637b20, args=<optimized out>, num_args=<optimized out>) at AsciiSink.c:1707
  #2  0x00007ffff7705070 in CallInitialize (class=0x7ffff7dd2140 <asciiSinkClassRec>, req_widget=0x7fffffffd420, new_widget=0x637b20, args=0x0, 
      num_args=0) at Create.c:226
  #3  0x00007ffff7705a6d in xtCreate (name=<optimized out>, class=0x0, widget_class=<optimized out>, parent=0x634270, default_screen=0x0, args=0x0, 
      num_args=0, typed_args=0x0, num_typed_args=0, parent_constraint_class=0x0, post_proc=0x7ffff77051c0 <widgetPostProc>) at Create.c:416
  #4  0x00007ffff7705e8b in _XtCreateWidget (name=0x7ffff7bc1208 "textSink", widget_class=0x7ffff7dd2140 <asciiSinkClassRec>, parent=0x634270, 
      args=0x0, num_args=0, typed_args=0x0, num_typed_args=0) at Create.c:570
  #5  0x00007ffff770619e in XtCreateWidget (name=name at entry=0x7ffff7bc1208 "textSink", widget_class=0x7ffff7dd2140 <asciiSinkClassRec>, 
      parent=parent at entry=0x634270, args=args at entry=0x0, num_args=0) at Create.c:589
  #6  0x00007ffff7b888b7 in XawAsciiInitialize (request=<optimized out>, cnew=0x634270, args=0x0, num_args=0x7fffffffda1c) at AsciiText.c:296
  #7  0x00007ffff7705070 in CallInitialize (class=0x7ffff7dd25c0 <asciiTextClassRec>, req_widget=0x7fffffffdaa0, new_widget=0x634270, args=0x0, 
      num_args=0) at Create.c:226
  #8  0x00007ffff7705a6d in xtCreate (name=<optimized out>, class=0x0, widget_class=<optimized out>, parent=0x61f580, default_screen=0x614ea0, 
      args=0x0, num_args=0, typed_args=0x0, num_typed_args=0, parent_constraint_class=0x0, post_proc=0x7ffff77051c0 <widgetPostProc>) at Create.c:416
  #9  0x00007ffff7705e8b in _XtCreateWidget (name=0x402e52 "text", widget_class=0x7ffff7dd25c0 <asciiTextClassRec>, parent=0x61f580, args=0x0, 
      num_args=0, typed_args=0x0, num_typed_args=0) at Create.c:570
  #10 0x00007ffff770629a in XtCreateManagedWidget (name=name at entry=0x402e52 "text", widget_class=0x7ffff7dd25c0 <asciiTextClassRec>, parent=0x61f580, 
      args=args at entry=0x0, num_args=num_args at entry=0) at Create.c:610
  #11 0x0000000000401ba2 in main (argc=1, argv=0x7fffffffe148) at xconsole.c:652
  (gdb) 

  does not seem to be relevant to the as font name (visible when
  stracing) exists in the system:

  # strace -s200 -ewritev  xconsole 2>&1 | grep ISO
  writev(4, [{"-\0\f\0\r\0\340\2$\0\340\2-*-*-*-R-*-*-*-120-*-*-*-*-ISO8859-*/\0\2\0\r\0\340\2", 56}, {NULL, 0}, {"", 0}], 3) = 56
  Warning: Unable to load any usable ISO8859 font

  
  # xlsfonts 
  -misc-fixed-medium-r-semicondensed--0-0-75-75-c-0-iso8859-1
  -misc-fixed-medium-r-semicondensed--0-0-75-75-c-0-iso8859-1
  -misc-fixed-medium-r-semicondensed--12-90-100-100-c-60-iso8859-1
  -misc-fixed-medium-r-semicondensed--13-100-100-100-c-60-iso8859-1
  -misc-fixed-medium-r-semicondensed--13-100-100-100-c-60-iso8859-1
  -misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso8859-1
  -misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso8859-1
  6x12
  6x13
  6x13
  cursor
  cursor
  fixed
  fixed

  relevant packages (their debuginfos):
  Mon Mar  4 23:59:12 2013 xorg-app-xconsole-debuginfo-1.0.5-1.x86_64
  Tue Mar  5 00:00:34 2013 xorg-lib-libXaw-debuginfo-1.0.11-2.x86_64
  Tue Mar  5 00:02:16 2013 xorg-lib-libXt-debuginfo-1.1.3-1.x86_64

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