closing this rather old issue. sorry for not addressing this earlier. Please could you recheck with the recent 14.04 LTS or 14.10 releases and reopen the issue if the problem persists?
** Changed in: gdb (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gdb in Ubuntu. https://bugs.launchpad.net/bugs/609666 Title: gcore produces the broken core bt in GDB displays backtrace abnormally. Status in “gdb” package in Ubuntu: Invalid Bug description: Binary package hint: gdb gcore, a subcommand in GDB providing the feature of producing a core dump for currently running processes, produces a broken core dump when the target program sleeps. Step to reproduce: $ cd /tmp $ gcc -x c - -o loop #include <unistd.h> main(){for(;;)sleep(1);} $ ./loop & [1] 3598 $ gcore 3598 0x00007f78bb59e370 in nanosleep () from /lib/libc.so.6 Saved corefile core.3598 $ gdb loop core.3598 GNU gdb (GDB) 7.1-ubuntu Copyright (C) 2010 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-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /tmp/loop...(no debugging symbols found)...done. [New Thread 3598] Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Core was generated by `/tmp/loop'. #0 0x00007f78bb59e370 in ?? () (gdb) bt #0 0x00007f78bb59e370 in ?? () #1 0x00007f78bb59e200 in ?? () #2 0x0000000000000000 in ?? () (gdb) ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: gdb 7.1-1ubuntu2 ProcVersionSignature: Ubuntu 2.6.32-24.38-generic 2.6.32.15+drm33.5 Uname: Linux 2.6.32-24-generic x86_64 Architecture: amd64 Date: Sun Jul 25 14:50:14 2010 InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) ProcEnviron: PATH=(custom, user) LANG=ja_JP.utf8 SHELL=/bin/bash SourcePackage: gdb To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/609666/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp