From octave-maintainers-request at bevo dot che dot wisc dot edu  Tue Nov 19 02:37:58 1996
Subject: endlos loop with segmentation fault
From: Friedrich Leisch <leisch at ci dot tuwien dot ac dot at>
To: Andreas dot Weingessel at ci dot tuwien dot ac dot at, Kurt.Hornik@ci.tuwien.ac.at,         octave-maintainers@bevo.che.wisc.edu
Date: Tue, 19 Nov 1996 09:37:36 +0100

To: octave-maintainers at bevo dot che dot wisc dot edu, ka
Subject: infinite loop with segmentation fault

Bug report for Octave 1.92 configured for i586-unknown-linux

Description:
-----------

it happenend already two times at our department that somebody wanted
to quit octave and got caught in an infinite loop with octave messages
"Segmentation fault ... trying to stop myself" rushing over the screen. 

Repeat-By:
---------

sorry, I cannot repeat the bug



Configuration (please do not edit this section):
-----------------------------------------------

uname output:     Linux galadriel 2.0.24 #1 Tue Nov 5 09:49:51 MET 1996 i586
configure opts:   --datadir=/usr/local/lib --libexecdir=/usr/local/lib --disable-shared
Fortran compiler: g77
FFLAGS:           -O
F2C:              
F2CFLAGS:         
FLIBS:            -lf2c -L/usr/lib/gcc-lib/i486-linux/2.7.2 -lgcc
CPPFLAGS:         
INCFLAGS:         -I/usr/local/include -I/usr/local/include/octave-1.92
C compiler:       gcc, version 2.7.2
CFLAGS:           -DHAVE_CONFIG_H -mieee-fp -O
CPICFLAG:         -fPIC
C++ compiler:     c++, version 2.7.2
CXXFLAGS:         -DHAVE_CONFIG_H  -fno-implicit-templates -mieee-fp -O
CXXPICFLAG:       -fPIC
LDFLAGS:          -s
LIBFLAGS:         -L/usr/local/lib
RLD_FLAG:         
CXXLIBS:          -lstdc++ -lm -L/usr/lib/gcc-lib/i486-linux/2.7.2 -lstdc++ -lm -lgcc -lc -lgcc
TERMLIBS:         -lncurses
LIBS:             
LEXLIB:           
LIBPLPLOT:        
LIBDLFCN:         
DEFS:

  -DOCTAVE_SOURCE=1 -DSEPCHAR=':' -DSEPCHAR_STR=":" -DUSE_GNU_INFO=1
  -DUSE_READLINE=1 -DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=4
  -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -DF77_APPEND_UNDERSCORE=1
  -DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1 -DTIME_WITH_SYS_TIME=1
  -DHAVE_SYS_WAIT_H=1 -DHAVE_ASSERT_H=1 -DHAVE_CURSES_H=1 -DHAVE_FCNTL_H=1
  -DHAVE_FLOAT_H=1 -DHAVE_GRP_H=1 -DHAVE_LIMITS_H=1 -DHAVE_MEMORY_H=1
  -DHAVE_NAN_H=1 -DHAVE_NCURSES_H=1 -DHAVE_PWD_H=1 -DHAVE_STDLIB_H=1
  -DHAVE_STRING_H=1 -DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_RESOURCE_H=1
  -DHAVE_SYS_STAT_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_TIMES_H=1
  -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_UTSNAME_H=1 -DHAVE_TERMCAP_H=1
  -DHAVE_TERMIO_H=1 -DHAVE_TERMIOS_H=1 -DHAVE_UNISTD_H=1 -DHAVE_VARARGS_H=1
  -DNPSOL_MISSING=1 -DQPSOL_MISSING=1 -DFSQP_MISSING=1 -DHAVE_ATEXIT=1
  -DHAVE_BCOPY=1 -DHAVE_BZERO=1 -DHAVE_DUP2=1 -DHAVE_ENDGRENT=1
  -DHAVE_ENDPWENT=1 -DHAVE_EXECVP=1 -DHAVE_FCNTL=1 -DHAVE_FORK=1
  -DHAVE_GETCWD=1 -DHAVE_GETEGID=1 -DHAVE_GETEUID=1 -DHAVE_GETGID=1
  -DHAVE_GETGRENT=1 -DHAVE_GETGRGID=1 -DHAVE_GETGRNAM=1 -DHAVE_GETHOSTNAME=1
  -DHAVE_GETPGRP=1 -DHAVE_GETPID=1 -DHAVE_GETPPID=1 -DHAVE_GETPWENT=1
  -DHAVE_GETPWNAM=1 -DHAVE_GETPWUID=1 -DHAVE_GETUID=1 -DHAVE_LSTAT=1
  -DHAVE_MEMMOVE=1 -DHAVE_MKDIR=1 -DHAVE_MKFIFO=1 -DHAVE_ON_EXIT=1
  -DHAVE_PIPE=1 -DHAVE_PUTENV=1 -DHAVE_RENAME=1 -DHAVE_RINDEX=1
  -DHAVE_RMDIR=1 -DHAVE_SETGRENT=1 -DHAVE_SETPWENT=1 -DHAVE_SETVBUF=1
  -DHAVE_SIGACTION=1 -DHAVE_SIGPENDING=1 -DHAVE_SIGPROCMASK=1
  -DHAVE_SIGSUSPEND=1 -DHAVE_STAT=1 -DHAVE_STRCASECMP=1 -DHAVE_STRDUP=1
  -DHAVE_STRERROR=1 -DHAVE_STRNCASECMP=1 -DHAVE_TEMPNAM=1 -DHAVE_UMASK=1
  -DHAVE_UNLINK=1 -DHAVE_VFPRINTF=1 -DHAVE_VSPRINTF=1 -DHAVE_WAITPID=1
  -DHAVE_LIBDL=1 -DHAVE_DLOPEN=1 -DHAVE_DLSYM=1 -DHAVE_DLERROR=1
  -DHAVE_DLCLOSE=1 -DWITH_DL=1 -DWITH_DYNAMIC_LINKING=1 -DHAVE_LIBM=1
  -DHAVE_FINITE=1 -DHAVE_ISNAN=1 -DHAVE_ISINF=1 -DHAVE_ACOSH=1
  -DHAVE_ASINH=1 -DHAVE_ATANH=1 -DHAVE_ERF=1 -DHAVE_ERFC=1
  -DHAVE_ST_BLKSIZE=1 -DHAVE_ST_BLOCKS=1 -DHAVE_ST_RDEV=1 -DHAVE_TZNAME=1
  -DRETSIGTYPE=void -DSYS_SIGLIST_DECLARED=1 -DHAVE_SYS_SIGLIST=1
  -DHAVE_POSIX_SIGNALS=1 -DHAVE_GETRUSAGE=1 -DHAVE_TIMES=1
  -DGNUPLOT_HAS_MULTIPLOT=1 -DGNUPLOT_HAS_FRAMES=1

User-preferences (please do not edit this section):
--------------------------------------------------

  EDITOR = "vi"
  IMAGEPATH = ".:/usr/local/lib/octave/1.92/imagelib//"
  INFO_FILE = "/usr/local/info/octave.info"
  LOADPATH = ".:/home/Leisch/work/octave//:/home/Leisch/lib/octave//:.:/usr/local/lib/octave/site/oct/i586-unknown-linux//:/usr/local/lib/octave/site/m//:/usr/local/lib/octave/1.92/oct/i586-unknown-linux//:/usr/local/lib/octave/1.92/m//"
  OCTAVE_VERSION = "1.92"
  PAGER = "less"
  PS1 = "\\s:\\#> "
  PS2 = "> "
  automatic_replot = 0
  whitespace_in_literal_matrix = 0
  default_save_format = "mat-binary"
  do_fortran_indexing = 1
  empty_list_elements_ok = 1
  eps = 2.22045e-16
  gnuplot_binary = "gnuplot"
  ignore_function_time_stamp = "system"
  implicit_str_to_num_ok = 1
  ok_to_lose_imaginary_part = 1
  output_max_field_width = 10
  output_precision = 5
  page_screen_output = 1
  prefer_column_vectors = 0
  prefer_zero_one_indexing = 1
  print_answer_id_name = 1
  print_empty_dimensions = 0
  propagate_empty_matrices = 1
  resize_on_range_error = 1
  return_last_computed_value = 0
  save_precision = 15
  silent_functions = 0
  split_long_rows = 1
  treat_neg_dim_as_zero = 1
  warn_assign_as_truth_value = 1
  warn_comma_in_global_decl = 1
  warn_divide_by_zero = 1