Dear Maintainer,

here is a core dump??

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           PID: 2630 (light-locker)
           TID: 2630 (light-locker)
           UID: 1000 (marcel)
           GID: 1000 (marcel)
        Signal: 6 (ABRT) si_code: SI_TKILL
     Timestamp: Fri 2026-07-17 20:44:22 PDT (6s ago)
  Command Line: /usr/bin/light-locker
    Executable: /usr/bin/light-locker
 Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-
light\x2dlocker@autostart.service
          Unit: user@1000.service
     User Unit: app-light\x2dlocker@autostart.service
         Slice: user-1000.slice
     Owner UID: 1000 (marcel)
       Boot ID: 1b5cda8d41a740959583d4b48106f03a
    Machine ID: 96ada572b23b4372ba55f48d929a0d24
      Hostname: marcel-hpenvylaptop17ae1xx
       Storage: /var/lib/systemd/coredump/core.light-
locker.1000.1b5cda8d41a740959583d4b48106f03a.2630.1784346262000000.zst
(present)
  Size on Disk: 1M
       Message: Process 2630 (light-locker) of user 1000 dumped core.

                Module libgcc_s.so.1 from deb gcc-16-16.1.0-2.amd64
                Module libblkid.so.1 from deb util-linux-2.42.2-2.amd64
                Module libatomic.so.1 from deb gcc-16-16.1.0-2.amd64
                Module libmount.so.1 from deb util-linux-2.42.2-2.amd64
                Stack trace of thread 2630:
                #0  0x00007fed494151dc __pthread_kill_implementation (libc.so.6
+ 0x971dc)
                #1  0x00007fed493be842 __GI_raise (libc.so.6 + 0x40842)
                #2  0x00007fed493a64b2 __GI_abort (libc.so.6 + 0x284b2)
                #3  0x00007fed496c00a8 n/a (libglib-2.0.so.0 + 0x200a8)
                #4  0x00007fed49708db4 g_log_default_handler (libglib-2.0.so.0
+ 0x68db4)
                #5  0x00007fed49709026 g_logv (libglib-2.0.so.0 + 0x69026)
                #6  0x00007fed49709383 g_log (libglib-2.0.so.0 + 0x69383)
                #7  0x000055dd407d4dea n/a (light-locker + 0xbdea)
                #8  0x00007fed49836733 g_type_create_instance
(libgobject-2.0.so.0 + 0x3b733)
                #9  0x00007fed4981a51f n/a (libgobject-2.0.so.0 + 0x1f51f)
                #10 0x00007fed4981bb7e g_object_new_with_properties
(libgobject-2.0.so.0 + 0x20b7e)
                #11 0x00007fed4981cab1 g_object_new (libgobject-2.0.so.0 +
0x21ab1)
                #12 0x000055dd407d23d4 n/a (light-locker + 0x93d4)
                #13 0x00007fed49836733 g_type_create_instance
(libgobject-2.0.so.0 + 0x3b733)
                #14 0x00007fed4981a51f n/a (libgobject-2.0.so.0 + 0x1f51f)
                #15 0x00007fed4981bb7e g_object_new_with_properties
(libgobject-2.0.so.0 + 0x20b7e)
                #16 0x00007fed4981cab1 g_object_new (libgobject-2.0.so.0 +
0x21ab1)
                #17 0x000055dd407d2a06 gs_monitor_new (light-locker + 0x9a06)
                #18 0x000055dd407d132d main (light-locker + 0x832d)
                #19 0x00007fed493a7f77 __libc_start_call_main (libc.so.6 +
0x29f77)
                #20 0x00007fed493a8027 __libc_start_main_impl (libc.so.6 +
0x2a027)
                #21 0x000055dd407d1461 _start (light-locker + 0x8461)

                Stack trace of thread 2659:
                #0  0x00007fed4948fb69 syscall (libc.so.6 + 0x111b69)
                #1  0x00007fed49731db2 g_cond_wait (libglib-2.0.so.0 + 0x91db2)
                #2  0x00007fed496c5a84 n/a (libglib-2.0.so.0 + 0x25a84)
                #3  0x00007fed497327f4 n/a (libglib-2.0.so.0 + 0x927f4)
                #4  0x00007fed49732536 n/a (libglib-2.0.so.0 + 0x92536)
                #5  0x00007fed49413289 start_thread (libc.so.6 + 0x95289)
                #6  0x00007fed49491d08 __clone3 (libc.so.6 + 0x113d08)

                Stack trace of thread 2661:
                #0  0x00007fed4941b4be __syscall_cancel_arch (libc.so.6 +
0x9d4be)
                #1  0x00007fed4940fc84 __internal_syscall_cancel (libc.so.6 +
0x91c84)
                #2  0x00007fed4940fccd __syscall_cancel (libc.so.6 + 0x91ccd)
                #3  0x00007fed4948519e __GI_ppoll (libc.so.6 + 0x10719e)
                #4  0x00007fed496ffa04 n/a (libglib-2.0.so.0 + 0x5fa04)
                #5  0x00007fed497000f0 g_main_context_iteration
(libglib-2.0.so.0 + 0x600f0)
                #6  0x00007fed4a68a0cd n/a (libdconfsettings.so + 0xc0cd)
                #7  0x00007fed49732536 n/a (libglib-2.0.so.0 + 0x92536)
                #8  0x00007fed49413289 start_thread (libc.so.6 + 0x95289)
                #9  0x00007fed49491d08 __clone3 (libc.so.6 + 0x113d08)

                Stack trace of thread 2665:
                #0  0x00007fed4948fb69 syscall (libc.so.6 + 0x111b69)
                #1  0x00007fed4973228c g_cond_wait_until (libglib-2.0.so.0 +
0x9228c)
                #2  0x00007fed496c5a4d n/a (libglib-2.0.so.0 + 0x25a4d)
                #3  0x00007fed49732d42 n/a (libglib-2.0.so.0 + 0x92d42)
                #4  0x00007fed49732536 n/a (libglib-2.0.so.0 + 0x92536)
                #5  0x00007fed49413289 start_thread (libc.so.6 + 0x95289)
                #6  0x00007fed49491d08 __clone3 (libc.so.6 + 0x113d08)

                Stack trace of thread 2660:
                #0  0x00007fed4941b4be __syscall_cancel_arch (libc.so.6 +
0x9d4be)
                #1  0x00007fed4940fc84 __internal_syscall_cancel (libc.so.6 +
0x91c84)
                #2  0x00007fed4940fccd __syscall_cancel (libc.so.6 + 0x91ccd)
                #3  0x00007fed4948519e __GI_ppoll (libc.so.6 + 0x10719e)
                #4  0x00007fed496ffa04 n/a (libglib-2.0.so.0 + 0x5fa04)
                #5  0x00007fed497000f0 g_main_context_iteration
(libglib-2.0.so.0 + 0x600f0)
                #6  0x00007fed49700141 n/a (libglib-2.0.so.0 + 0x60141)
                #7  0x00007fed49732536 n/a (libglib-2.0.so.0 + 0x92536)
                #8  0x00007fed49413289 start_thread (libc.so.6 + 0x95289)
                #9  0x00007fed49491d08 __clone3 (libc.so.6 + 0x113d08)

                Stack trace of thread 2664:
                #0  0x00007fed4941b4be __syscall_cancel_arch (libc.so.6 +
0x9d4be)
                #1  0x00007fed4940fc84 __internal_syscall_cancel (libc.so.6 +
0x91c84)
                #2  0x00007fed4940fccd __syscall_cancel (libc.so.6 + 0x91ccd)
                #3  0x00007fed4948519e __GI_ppoll (libc.so.6 + 0x10719e)
                #4  0x00007fed496ffa04 n/a (libglib-2.0.so.0 + 0x5fa04)
                #5  0x00007fed497003ef g_main_loop_run (libglib-2.0.so.0 +
0x603ef)
                #6  0x00007fed499e49aa n/a (libgio-2.0.so.0 + 0x12e9aa)
                #7  0x00007fed49732536 n/a (libglib-2.0.so.0 + 0x92536)
                #8  0x00007fed49413289 start_thread (libc.so.6 + 0x95289)
                #9  0x00007fed49491d08 __clone3 (libc.so.6 + 0x113d08)

                Stack trace of thread 2662:
                #0  0x00007fed4948fb69 syscall (libc.so.6 + 0x111b69)
                #1  0x00007fed49731db2 g_cond_wait (libglib-2.0.so.0 + 0x91db2)
                #2  0x00007fed496c5a84 n/a (libglib-2.0.so.0 + 0x25a84)
                #3  0x00007fed496c5f6b g_async_queue_pop (libglib-2.0.so.0 +
0x25f6b)
                #4  0x00007fed491de977 n/a (libpangoft2-1.0.so.0 + 0xe977)
                #5  0x00007fed49732536 n/a (libglib-2.0.so.0 + 0x92536)
                #6  0x00007fed49413289 start_thread (libc.so.6 + 0x95289)
                #7  0x00007fed49491d08 __clone3 (libc.so.6 + 0x113d08)
                ELF object binary architecture: AMD x86-64

Thanks for filing a bug. The correct package for this issue is
light-locker, not bugs.debian.org. I've reassigned it and marked it as
found in the correct version. It might be helpful to the maintainer to
see the full backtrace from the coredump as well as the bit you have
below.

On Fri, 17 Jul 2026, Marcel wrote:n

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