Your message dated Sun, 03 Aug 2025 19:23:43 -0400 with message-id <[email protected]> and subject line Closing bug has caused the Debian Bug report #865442, regarding gdb: x86-64: "cannot find thread-local variables to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 865442: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865442 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: gdb Version: 7.12-6 Severity: normal Tags: upstream Attempting to read thread-local variables (e.g. errno) from the Python interface fails with "Cannot find thread-local storage", but reading the same variable from the (gdb) prompt works. Transcript: $ cat test.c #include <stdio.h> #include <errno.h> int main(void) { printf("%d\n", errno); } $ gcc -g test.c $ gdb ./a.out GNU gdb (Debian 7.12-6) 7.12.0.20161007-git Copyright (C) 2016 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 ./a.out...done. (gdb) b main Breakpoint 1 at 0x704: file test.c, line 6. (gdb) r Starting program: /home/zack/a.out Breakpoint 1, main () at test.c:6 6 printf("%d\n", errno); (gdb) p errno $1 = 0 (gdb) pi >>> gdb.parse_and_eval('errno') Traceback (most recent call last): File "<stdin>", line 1, in <module> gdb.error: Cannot find thread-local storage for process 8486, shared library /lib/x86_64-linux-gnu/libc.so.6: Cannot find thread-local variables on this target I observe the same behavior with 7.12-6 (unstable) and 8.0-1 (experimental). -- System Information: Debian Release: 9.0 APT prefers unstable APT policy: (501, 'unstable'), (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'testing'), (101, 'experimental'), (1, 'experimental-debug') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.9.0-3-amd64 (SMP w/8 CPU cores) Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages gdb depends on: ii libbabeltrace-ctf1 1.5.2-1 ii libbabeltrace1 1.5.2-1 ii libc6 2.24-12 ii libexpat1 2.2.1-1 ii liblzma5 5.2.2-1.2+b1 ii libncurses5 6.0+20161126-1 ii libpython3.5 3.5.3-3 ii libreadline7 7.0-3 ii libtinfo5 6.0+20161126-1 ii zlib1g 1:1.2.8.dfsg-5 Versions of packages gdb recommends: ii libc6-dbg [libc-dbg] 2.24-12 Versions of packages gdb suggests: pn gdb-doc <none> ii gdbserver 7.12-6 -- no debconf information
--- End Message ---
--- Begin Message ---I can't reproduce this with GDB 16.3: --8<---------------cut here---------------start------------->8--- (gdb) p errno $1 = 0 (gdb) pi >>> gdb.parse_and_eval('errno') <gdb.Value object at 0x7f4fec10d520> --8<---------------cut here---------------end--------------->8--- I'm closing this bug; feel free to reopen if it's still applicable. -- Sergio GPG key ID: 237A 54B1 0287 28BF 00EF 31F4 D0EB 7628 65FC 5E36 Please send encrypted e-mail if possible https://sergiodj.net/
signature.asc
Description: PGP signature
--- End Message ---
