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AchilleTalon
Guru
Joined: 11 Apr 2004
Posts: 368
Location: Montreal, Quebec, Canada
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 Posted: Tue Mar 11, 2014 3:07 am Post subject: Cannot debug with gdb |
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I cannot debug my program with gdb, I am running into an error I cannot find how to fix it. My gdb did work previously, however I was a bit of time without using it and some updates were applied to various ebuilds. Since then, it is no longer working. It may be unrelated.
Here is the error while starting gdb my_program and then run:
| Code: | warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Inferior 1 (process 3437) exited normally]
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Here is the emerge --info gdb output:
| Code: | Portage 2.2.1 (default/linux/amd64/13.0, gcc-4.7.3, glibc-2.15-r3, 3.10.7-gentoo-nvidia x86_64)
=================================================================
System Settings
=================================================================
System uname: Linux-3.10.7-gentoo-nvidia-x86_64-Intel-R-_Core-TM-_i7-2600_CPU_@_3.40GHz-with-gentoo-2.2
KiB Mem: 16415936 total, 14184740 free
KiB Swap: 16777212 total, 16777212 free
Timestamp of tree: Sat, 19 Oct 2013 03:00:01 +0000
ld GNU ld (GNU Binutils) 2.23.1
distcc 3.1 x86_64-pc-linux-gnu [disabled]
ccache version 3.1.9 [disabled]
app-shells/bash: 4.2_p45
dev-java/java-config: 2.1.12-r1
dev-lang/python: 2.7.5-r2, 3.2.5-r2, 3.3.2
dev-util/ccache: 3.1.9
dev-util/cmake: 2.8.10.2-r2
dev-util/pkgconfig: 0.28
sys-apps/baselayout: 2.2
sys-apps/openrc: 0.11.8
sys-apps/sandbox: 2.6-r1
sys-devel/autoconf: 2.13, 2.69
sys-devel/automake: 1.10.3, 1.11.6, 1.12.6, 1.13.4
sys-devel/binutils: 2.23.1
sys-devel/gcc: 4.5.4, 4.6.3, 4.7.3-r1
sys-devel/gcc-config: 1.7.3
sys-devel/libtool: 2.4.2
sys-devel/make: 3.82-r4
sys-kernel/linux-headers: 3.9 (virtual/os-headers)
sys-libs/glibc: 2.15-r3
Repositories: gentoo x-my science
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA dlj-1.1 PUEL AdobeFlash-10.3 AdobeFlash-11.x"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.3/ext-active/ /etc/php/apache2-php5.4/ext-active/ /etc/php/apache2-php5.5/ext-active/ /etc/php/cgi-php5.3/ext-active/ /etc/php/cgi-php5.4/ext-active/ /etc/php/cgi-php5.5/ext-active/ /etc/php/cli-php5.3/ext-active/ /etc/php/cli-php5.4/ext-active/ /etc/php/cli-php5.5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://gentoo.gossamerhost.com http://gentoo.mirrors.tera-byte.com/ http://mirror.csclub.uwaterloo.ca/gentoo-distfiles/ http://gentoo.arcticnetwork.ca/ http://mirror.the-best-hosting.net http://gentoo.cites.uiuc.edu/pub/gentoo/ http://gentoo.llarian.net/ http://mirror.iawnet.sandia.gov/gentoo/ http://mirror.lug.udel.edu/pub/gentoo/ ftp://mirrors.tera-byte.com/pub/gentoo ftp://gentoo.arcticnetwork.ca/pub/gentoo/ ftp://mirror.csclub.uwaterloo.ca/gentoo-distfiles/ ftp://ftp.lug.udel.edu/pub/gentoo/ ftp://mirror.iawnet.sandia.gov/pub/gentoo/ ftp://mirror.mcs.anl.gov/pub/gentoo/ "
LANG="fr_CA.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j9"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/overlay/my /usr/local/overlay/science"
SYNC="rsync://chadwick.cids.ca/gentoo-portage"
USE="X a52 aac aalib acl acpi aim alsa amd64 ao apache2 arj audiofile avahi berkdb blas bluetooth bonobo branding bsf bzip2 cairo caps cdaudio cdda cddax cddb cdparanoia cdr cgi cli consolekit cracklib crypt cscope css ctype cups curl curlwrappers cxx db2 dbi dbm dbus dbx derby dga directfb djvu dri dts dv dvd dvdr dvdread eds emacs encode enscript evo examples exif expat extras fam fastcgi fbcon festival ffmpeg fftw flac flatfile fltk fontconfig foomaticdb fortran ftp fuse g3dvl gb gcj gconf gd gdbm geant4 geoip ggi gif gimp ginac glitz glut gmp gnome gnome-keyring gnuplot gnutls gphoto2 gpm gps graphviz gsl gsm gssapi gstreamer gtk gtkhtml gzip hddtemp httpd i18n iconv icq icu id3tag idn ieee1394 imagemagick imap imlib inifile intel intl ios ipv6 ithreads jabber jack jadetex java java6 javascript jbig jikes jingle jpeg jpeg2k junit kerberos kpathsea lame lapack lash latex lcms ldap ldap-sasl leim libcaca libedit libgda libnotify libsamplerate libwww live lm_sensors lzma lzo mad maildir mailwrapper mbox mcal memlimit midi mikmod milter mime mmap mms mmx mng mod modplug modules mozilla mp3 mp4 mpeg mpi mplayer msn mtp mudflap mule multilib musepack musicbrainz nas nautilus ncurses networkmanager nls nntp nptl nsplugin nvidia ocaml ocr odbc ofx ogg oggvorbis openal openexr opengl openldap openmp openssl osc oscar pam pam_krb5 pam_ssh pcre pda pdf perl php pidgin plotutils png policykit portaudio posix postgres ppds prefork pthreads pulseaudio python qt4 quicktime radius rar raw readline rss sane sasl scanner sdl sendmail servletapi session sha512 sharedext sharedmem slang slp smartcard smp sndfile snmp soap sockets sound sox speex spell sqlite sqlite3 sse sse2 ssl stream suexec svg swt symlink syslog sysvipc taglib tcl tcpd tetex theora threads tiff timidity tk tls tokenizer truetype udev unicode usb v4l v4l2 vaapi vcd vdpau vhosts vim-syntax vlm vnc vorbis wavpack wddx win32codecs wmf x264 xattr xcb xcomposite xemacs xface xft xine xinerama xinetd xml xmlrpc xmp xmpp xosd xpm xprint xscreensaver xsl xulrunner xv xvid xvmc yahoo zlib" ABI_X86="64" 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" APACHE2_MODULES="actions alias auth_basic auth_digest authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cern_meta cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers ident imagemap include info log_config log_forensic logio mem_cache mime mime_magic negotiation proxy proxy_ajp proxy_balancer proxy_connect proxy_http rewrite setenvif speling status unique_id userdir usertrack version vhost_alias" APACHE2_MPMS="prefork" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" DRACUT_MODULES="caps dmsquash-live livenet lvm mdraid nfs ssh-client syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev wacom" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en fr fr_FR fr_CA" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-3 php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" QEMU_SOFTMMU_TARGETS="x86_64 arm" RUBY_TARGETS="ruby19 ruby18" SANE_BACKENDS="net epson epson2" USERLAND="GNU" VIDEO_CARDS="nvidia nouveau intel v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
USE_PYTHON="2.7"
Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
=================================================================
Package Settings
=================================================================
sys-devel/gdb-7.6.1 was built with the following:
USE="client expat (multilib) nls python server zlib -multitarget -test -vanilla" ABI_X86="64"
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Any hints or things I could try to gather more information to fix this?
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Achille Talon Hop! |
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21624
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| Posted: Wed Mar 12, 2014 1:47 am Post subject: |
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| Perhaps you could tell us what is wrong. The output shown so far looks like you ran to program exit without any problems. I see no errors in that output. The warnings that are printed are unlikely to be relevant to your problem. |
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steveL
Watchman
Joined: 13 Sep 2006
Posts: 5153
Location: The Peanut Gallery
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| Posted: Wed Mar 12, 2014 4:51 am Post subject: |
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| linux-vdso.so is a system thing, it's the jump gate for some syscalls. It definitely does not provide debug info, so ignore that warning. |
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