I've just posted this bug information to the gcc bug site. Problem occurs when using gdb. All works fine with GNU Fortran 95 (GCC) 4.1.1 (Gentoo 4.1.1-r1) but not with GNU Fortran 95 (GCC) 4.1.1 (Gentoo 4.1.1-r2). (I'm assuming the bug was not introduced by Gentoo.) Get failure like this test.f i = 1 print '(''i='', i1)', i end gfortran -g -o test test.f gdb test b test.f:2 run p i With the result Could not find the frame base for "MAIN__". ================= emerge --info ================ Portage 2.1.2_rc1-r7 (default-linux/amd64/2006.0, gcc-4.1.1, glibc-2.5-r0, 2.6.18-gentoo-r2 x86_64) ================================================================= System uname: 2.6.18-gentoo-r2 x86_64 AMD Opteron(tm) Processor 242 Gentoo Base System version 1.12.6 Last Sync: Wed, 15 Nov 2006 21:30:01 +0000 ccache version 2.4 [enabled] dev-java/java-config: 1.3.7, 2.0.30 dev-lang/python: 2.4.4 dev-python/pycrypto: 2.0.1-r5 dev-util/ccache: 2.4-r6 sys-apps/sandbox: 1.2.18.1 sys-devel/autoconf: 2.13, 2.60 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: 2.6.17-r1 ACCEPT_KEYWORDS="amd64 ~amd64" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -march=opteron -pipe -fomit-frame-pointer" CHOST="x86_64-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/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c" CXXFLAGS="-O2 -march=opteron -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache distlocks fixpackages metadata-transfer parallel-fetch sandbox sfperms strict" GENTOO_MIRRORS="http://gentoo.osuosl.org http://cudlug.cudenver.edu/gentoo http://gentoo.binarycompass.org" MAKEOPTS="-j3" PKGDIR="/usr/portage/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="/usr/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="amd64 X aac aiglx alsa apache2 auctex audiofile bash-completion bcmath berkdb bitmap-fonts blas bonobo bzip2 calendar clamav cli cracklib crypt ctype cups dbus debugger dga divx-linux dlloader dri dvd dvdr dvdread elibc_glibc emacs emboss emul-linux86 encode esd fam fastcgi fbcon firefox flac foomaticdb fortran ftp gif glut gnome gphoto2 gpm gstreamer gtk gtk2 iconv imlib input_devices_keyboard input_devices_mouse ipv6 isdnlog java jpeg kde kerberos kernel_linux lapack latin1 leim lesstif libclamav lzw lzw-tiff mbox mcal mime mng mouse mozcalendar mozilla mp3 mpeg mpi mysql mysqli ncurses nls nocd nosendmail nptl nptlonly nsplugin nvidia offensive openal opengl osc oscar oss pam pcre pdf perl png pop pop3d portaudio ppds pppd preview-latex python qt3 quicktime readline reflection samba sasl sdl session sharedmem sockets source sox speex spell spl ssl svg symlink tcltk tcpd tetex threads tiff truetype truetype-fonts type1-fonts usb userland_GNU vhosts video_cards_fbdev video_cards_nvidia video_cards_vesa vorbis xine xmail xorg xpm xv xvid zlib" Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY
From pinkskia for the gcc bug that was posted -- ------- Comment #1 from pinskia at gcc dot gnu dot org 2006-11-16 22:15 ------- This is a gentoo specific bug since it worked in one version of gentoo's 4.1.1 but did not in another. Also this works fine for me with the trunk as of today. And from drow from a gdb bug posting --- Yes, I agree that this is almost certainly a gfortran bug. That error means that something used "DW_OP_fbreg" (frame base relative location), without a "DW_AT_frame_base" to specify the frame base. Maybe this makes is easy to fix??
can you re-emerge gcc-4.1.1-r1 and see if it still works ? only thing added to 4.1.1-r2 was patches from upstream
also, what is the upstream bugreport URL
I had backed up to gcc-4.1.1-r1 prior to submitting this as a bug. It works fine. The gcc bug is at http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29872 The gdb bug is at http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=2201
in the future, please only file bugs here ... we'll either take care of talking to upstream or redirect you to the correct place with the correct information ;)
i can reproduce that over here on my ppc ... i'll do a patch regression search
the regression was introduced by the patch to fix Bug 138173 (upstream PR22313) since being able to use GDB is more important than being able to build gcc with -g, i'll drop the patch for 4.1.1-r3
*** Bug 155973 has been marked as a duplicate of this bug. ***
4.1.1-r3 in portage
