Public bug reported:

supaplex@wiseguy:~/ssd/src/supaplextor/aria2c-jiggy-dl$ ps
    PID TTY          TIME CMD
2798612 pts/6    00:00:00 bash
2824472 pts/6    00:00:00 jigdo-lite
2824525 pts/6    06:13:21 jigdo-file


supaplex@wiseguy:~/ssd/src/supaplextor/aria2c-jiggy-dl$ sudo gdb jigdo-file -p 
2824525
[sudo] password for supaplex: 
GNU gdb (Ubuntu 15.0.50.20240403-0ubuntu1) 15.0.50.20240403-git
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
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Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
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Reading symbols from jigdo-file...
(No debugging symbols found in jigdo-file)
Attaching to program: /usr/bin/jigdo-file, process 2824525
Reading symbols from /lib/x86_64-linux-gnu/libbz2.so.1.0...
(No debugging symbols found in /lib/x86_64-linux-gnu/libbz2.so.1.0)
Reading symbols from /lib/x86_64-linux-gnu/libz.so.1...
(No debugging symbols found in /lib/x86_64-linux-gnu/libz.so.1)
Reading symbols from /lib/x86_64-linux-gnu/libdb-5.3.so...
(No debugging symbols found in /lib/x86_64-linux-gnu/libdb-5.3.so)
Reading symbols from /lib/x86_64-linux-gnu/libstdc++.so.6...
(No debugging symbols found in /lib/x86_64-linux-gnu/libstdc++.so.6)
Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...
(No debugging symbols found in /lib/x86_64-linux-gnu/libgcc_s.so.1)
Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...
Reading symbols from 
/usr/lib/debug/.build-id/27/4eec488d230825a136fa9c4d85370fed7a0a5e.debug...
Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...
Reading symbols from 
/usr/lib/debug/.build-id/f8/34d7308d2660218ed4f7486a58e28c8464fe4b.debug...
Reading symbols from /lib64/ld-linux-x86-64.so.2...
Reading symbols from 
/usr/lib/debug/.build-id/52/0e05878220fb2fc6d28ff46b63b3fd5d48e763.debug...
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007ef5b0cc8e83 in __db_doff () from /lib/x86_64-linux-gnu/libdb-5.3.so
(gdb) where
#0  0x00007ef5b0cc8e83 in __db_doff () from /lib/x86_64-linux-gnu/libdb-5.3.so
#1  0x00007ef5b0bf63dc in __bam_ditem () from /lib/x86_64-linux-gnu/libdb-5.3.so
#2  0x00007ef5b0bfb021 in __bam_iitem () from /lib/x86_64-linux-gnu/libdb-5.3.so
#3  0x00007ef5b0bf4672 in ?? () from /lib/x86_64-linux-gnu/libdb-5.3.so
#4  0x00007ef5b0cafebf in __dbc_iput () from /lib/x86_64-linux-gnu/libdb-5.3.so
#5  0x00007ef5b0cc438a in __dbc_put_pp () from 
/lib/x86_64-linux-gnu/libdb-5.3.so
#6  0x000060808c300708 in ?? ()
#7  0x000060808c2ef133 in ?? ()
#8  0x000060808c2e37f7 in ?? ()
#9  0x00007ef5b042a1ca in __libc_start_call_main 
(main=main@entry=0x60808c2e25d0, argc=argc@entry=8, 
argv=argv@entry=0x7fffc541d7e8) at ../sysdeps/nptl/libc_start_call_main.h:58
#10 0x00007ef5b042a28b in __libc_start_main_impl (main=0x60808c2e25d0, argc=8, 
argv=0x7fffc541d7e8, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7fffc541d7d8) at ../csu/libc-start.c:360
#11 0x000060808c2e5e05 in ?? ()
(gdb) 

root@wiseguy:~# lsb_release -rd
No LSB modules are available.
Description:    Ubuntu 24.04.3 LTS
Release:        24.04

root@wiseguy:~# apt-cache policy jigdo-file
jigdo-file:
  Installed: 0.8.2-1build2
  Candidate: 0.8.2-1build2
  Version table:
 *** 0.8.2-1build2 500
        500 http://us.archive.ubuntu.com/ubuntu noble/universe amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: jigdo-file 0.8.2-1build2
ProcVersionSignature: Ubuntu 6.8.0-87.88-generic 6.8.12
Uname: Linux 6.8.0-87-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Tue Nov 18 08:12:46 2025
InstallationDate: Installed on 2021-09-29 (1512 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: jigdo
UpgradeStatus: Upgraded to noble on 2025-05-08 (194 days ago)

** Affects: jigdo (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

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https://bugs.launchpad.net/bugs/2131811

Title:
  jigdo-file libdb stuck (high cpu; one thread)

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