Public bug reported: gdb 8.1ubuntu3.1 run binary 64bit without problem. If compile for 32bit target (g++ -m32 ..) then it can't load libraries before call main(), i mean it gets frozen. gdb 8.1-0ubuntu3 works with 32 and 64 bit binaries without problem.
Here is log: g++ -m32 -o test test.cpp gdb ./test GNU gdb (Ubuntu 8.1-0ubuntu3.1) 8.1.0.20180409-git Copyright (C) 2018 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". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./test...(no debugging symbols found)...done. (gdb) run Starting program: /tmp/test warning: Breakpoint address adjusted from 0xf7fd9be0 to 0xfffffffff7fd9be0. warning: Breakpoint address adjusted from 0xf7fda195 to 0xfffffffff7fda195. warning: Breakpoint address adjusted from 0xf7fdbd1c to 0xfffffffff7fdbd1c. warning: Breakpoint address adjusted from 0xf7fdb924 to 0xfffffffff7fdb924. warning: Breakpoint address adjusted from 0xf7fe99b3 to 0xfffffffff7fe99b3. warning: Breakpoint address adjusted from 0xf7fea401 to 0xfffffffff7fea401. warning: Breakpoint address adjusted from 0xf7fea706 to 0xfffffffff7fea706. exit() ^C Program received signal SIGINT, Interrupt. 0xf7fd9be0 in ?? () from /lib/ld-linux.so.2 lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bionic ** Affects: gdb (Ubuntu) Importance: Undecided Status: New ** Summary changed: - 8.1-0ubuntu3.1 freezes before call main function while debugging 32bit application + gdb 8.1-0ubuntu3.1 freezes before call main function while debugging 32bit application ** Description changed: gdb 8.1ubuntu3.1 run binary 64bit without problem. If compile for 32bit target (g++ -m32 ..) then it can't load libraries before call main(), i mean it gets frozen. + gdb 8.1-0ubuntu3 works without problem. + Here is log: - g++ -m32 -o test test.cpp gdb ./test GNU gdb (Ubuntu 8.1-0ubuntu3.1) 8.1.0.20180409-git Copyright (C) 2018 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". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./test...(no debugging symbols found)...done. (gdb) run - Starting program: /tmp/test + Starting program: /tmp/test warning: Breakpoint address adjusted from 0xf7fd9be0 to 0xfffffffff7fd9be0. warning: Breakpoint address adjusted from 0xf7fda195 to 0xfffffffff7fda195. warning: Breakpoint address adjusted from 0xf7fdbd1c to 0xfffffffff7fdbd1c. warning: Breakpoint address adjusted from 0xf7fdb924 to 0xfffffffff7fdb924. warning: Breakpoint address adjusted from 0xf7fe99b3 to 0xfffffffff7fe99b3. warning: Breakpoint address adjusted from 0xf7fea401 to 0xfffffffff7fea401. warning: Breakpoint address adjusted from 0xf7fea706 to 0xfffffffff7fea706. exit() ^C Program received signal SIGINT, Interrupt. 0xf7fd9be0 in ?? () from /lib/ld-linux.so.2 lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bionic ** Description changed: gdb 8.1ubuntu3.1 run binary 64bit without problem. If compile for 32bit target (g++ -m32 ..) then it can't load libraries before call main(), i mean it gets frozen. - gdb 8.1-0ubuntu3 works without problem. + gdb 8.1-0ubuntu3 works with 32 and 64 bit binaries without problem. Here is log: g++ -m32 -o test test.cpp gdb ./test GNU gdb (Ubuntu 8.1-0ubuntu3.1) 8.1.0.20180409-git Copyright (C) 2018 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". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./test...(no debugging symbols found)...done. (gdb) run Starting program: /tmp/test warning: Breakpoint address adjusted from 0xf7fd9be0 to 0xfffffffff7fd9be0. warning: Breakpoint address adjusted from 0xf7fda195 to 0xfffffffff7fda195. warning: Breakpoint address adjusted from 0xf7fdbd1c to 0xfffffffff7fdbd1c. warning: Breakpoint address adjusted from 0xf7fdb924 to 0xfffffffff7fdb924. warning: Breakpoint address adjusted from 0xf7fe99b3 to 0xfffffffff7fe99b3. warning: Breakpoint address adjusted from 0xf7fea401 to 0xfffffffff7fea401. warning: Breakpoint address adjusted from 0xf7fea706 to 0xfffffffff7fea706. exit() ^C Program received signal SIGINT, Interrupt. 0xf7fd9be0 in ?? () from /lib/ld-linux.so.2 lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845494 Title: gdb 8.1-0ubuntu3.1 freezes before call main function while debugging 32bit application To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdb/+bug/1845494/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
