gdb doesn't understand core files, that my system generate Reproducible: Always Steps to Reproduce: 1. ulimit -c unlimited 2. %cat test.c #include <stdio.h> int main() { char a[10]; a[30000] = 15; return 0; } 3. cat Makefile all: gcc -Wall -ggdb test.c -o test 4. rm core && make && ./test gcc -Wall -ggdb test.c -o test zsh: segmentation fault (core dumped) ./test 5. gdb test core Actual Results: GNU gdb 6.6 Copyright (C) 2006 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/libthread_db.so.1". "/home/max_posedon/work/svn/trash/gdb/coredump/core" is not a core dump: File format not recognized (gdb) Expected Results: gdb should understand core files, I think... % emerge -pv sys-devel/gdb coreutils sys-libs/glibc [ebuild R ] sys-devel/gdb-6.6 USE="nls -test -vanilla" 0 kB [ebuild R ] sys-apps/coreutils-6.7-r1 USE="acl nls (-selinux) -static" 0 kB [ebuild R ] sys-libs/glibc-2.5 USE="nls nptl nptlonly -build -glibc-compat20 -glibc-omitfp -hardened (-multilib) -profile (-selinux)" 0 kB .................... % emerge --info Portage 2.1.2_rc4-r7 (default-linux/x86/2006.1/desktop, gcc-4.1.1, glibc-2.5-r0, 2.6.19.1-rt15 i686) ================================================================= System uname: 2.6.19.1-rt15 i686 Intel(R) Pentium(R) 4 CPU 3.00GHz Gentoo Base System version 1.12.8 Last Sync: Mon, 08 Jan 2007 09:00:01 +0000 dev-lang/python: 2.4.4 dev-python/pycrypto: 2.0.1-r5 sys-apps/sandbox: 1.2.18.1 sys-devel/autoconf: 2.13, 2.61 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10 sys-devel/binutils: 2.17 sys-devel/gcc-config: 1.3.14 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.19 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=pentium4" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config" CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/splash /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-O2 -march=pentium4" DISTDIR="/home/gentoo/distfiles" FEATURES="autoconfig distlocks metadata-transfer sandbox sfperms strict" GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo" LANG="ru_RU.UTF-8" LC_ALL="" LINGUAS="en ru be_BY" MAKEOPTS="-j2" PKGDIR="/home/gentoo/packages" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/home/gentoo/portage" PORTDIR_OVERLAY="/home/gentoo/overlay /home/gentoo/pro-audio /home/gentoo/xeffects/trunk /home/gentoo/xeffects/experimental" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X a52 aac aalib acl acpi aiglx alsa apache2 berkdb bitmap-fonts bzip2 cairo cdr cli cracklib crypt cups dbus dedicated djvu dlloader dri dst dvd dvdr emacs emboss encode examples exif fam fbcon ffmpeg flac ftp gdbm gif glut gphoto2 gpm gstreamer gtk2 hal iconv imagemagick isdnlog javascript jpeg kde kdeenablefinal kdehiddenvisibility kerberos ldap libcaca libg++ lm_sensors mad mikmod mmap mmx mng mp3 mpeg ncurses nfs nls nptl nptlonly ogg opengl pam pcre pdf perl png posix postgres ppds pppd python qt4 quicktime readline real reflection ruby samba sasl scanner sdl session sharedmem slang sockets socks5 speex spell spl sse sse2 ssl svg tcpd tetex theora tiff truetype truetype-fonts type1-fonts udev unicode usb userlocales v4l vcd vim vorbis win32codecs winbind x86 xine xml xml2 xorg xpm xv xvid zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mulaw multi null plug rate route share shm softvol" ELIBC="glibc" INPUT_DEVICES="mouse keyboard" KERNEL="linux" LINGUAS="en ru be_BY" USERLAND="GNU" VIDEO_CARDS="i810 fbdev vesa" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS
Created attachment 106229 [details] .config It's may be helps...
*** This bug has been marked as a duplicate of bug 155903 ***