systemd-coredump[15801]: Process 15537 (dragon) of user 1000 dumped core.

[stepnjump]

Describe the bug
I had many coredump that happened in the last 4 hours looking at journalctl
-- Logs begin at Sun 2021-01-24 13:47:27 EST, end at Sun 2021-01-24 22:21:37 EST. --
jan 24 13:47:34 DOMAIN-A /hpfax[1901]: [1901]: error: Failed to create /var/spool/cups/tmp/.hplip
jan 24 14:59:34 DOMAIN-A sudo[13656]: pam_unix(sudo:auth): auth could not identify password for [pierre]
jan 24 14:59:34 DOMAIN-A sudo[13656]: pierre : command not allowed ; TTY=pts/11 ; PWD=/home/pierre ; USER=root ; COMMAND=/sbin/swapon /dev/sdd1
jan 24 15:18:28 DOMAIN-A systemd-coredump[15801]: Process 15537 (dragon) of user 1000 dumped core.

                                              Stack trace of thread 15537:
                                              #0  0x00007f7a2c9b618b __GI_raise (libc.so.6 + 0x4618b)
                                              #1  0x00007f7a2e573a9a _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x6a9a)
                                              #2  0x00007f7a2c9b6210 __restore_rt (libc.so.6 + 0x46210)
                                              #3  0x00007f7a2c9b618b __GI_raise (libc.so.6 + 0x4618b)
                                              #4  0x00007f7a2c995859 __GI_abort (libc.so.6 + 0x25859)
                                              #5  0x00007f7a2b84dba4 n/a (libpulsecommon-13.99.so + 0x2bba4)
                                              #6  0x00007f7a2b84e5a3 pa_fdsem_after_poll (libpulsecommon-13.99.so + 0x2c5a3)
                                              #7  0x00007f7a2b8663a1 n/a (libpulsecommon-13.99.so + 0x443a1)
                                              #8  0x00007f7a2c495556 n/a (libpulse-mainloop-glib.so.0 + 0x2556)
                                              #9  0x00007f7a2b9c2fbd g_main_context_dispatch (libglib-2.0.so.0 + 0x51fbd)
                                              #10 0x00007f7a2b9c3240 n/a (libglib-2.0.so.0 + 0x52240)
                                              #11 0x00007f7a2b9c32e3 g_main_context_iteration (libglib-2.0.so.0 + 0x522e3)
                                              #12 0x00007f7a2d170565 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2de565)
                                              #13 0x00007f7a2d1174db _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2854db)
                                              #14 0x00007f7a2d11f246 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x28d246)
                                              #15 0x000055d541c40a98 n/a (dragon + 0x1fa98)
                                              #16 0x00007f7a2c9970b3 __libc_start_main (libc.so.6 + 0x270b3)
                                              #17 0x000055d541c40c8e _start (dragon + 0x1fc8e)
                                              
                                              Stack trace of thread 15540:
                                              #0  0x00007f7a2ca85aff __GI___poll (libc.so.6 + 0x115aff)
                                              #1  0x00007f7a2b9c31ae n/a (libglib-2.0.so.0 + 0x521ae)
                                              #2  0x00007f7a2b9c32e3 g_main_context_iteration (libglib-2.0.so.0 + 0x522e3)
                                              #3  0x00007f7a2d170583 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2de583)
                                              #4  0x00007f7a2d1174db _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2854db)
                                              #5  0x00007f7a2cf4f785 _ZN7QThread4execEv (libQt5Core.so.5 + 0xbd785)
                                              #6  0x00007f7a2e07aefa n/a (libQt5DBus.so.5 + 0x17efa)
                                              #7  0x00007f7a2cf509d2 n/a (libQt5Core.so.5 + 0xbe9d2)
                                              #8  0x00007f7a2c2a9609 start_thread (libpthread.so.0 + 0x9609)
                                              #9  0x00007f7a2ca92293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 15543:
                                              #0  0x00007f7a2c2b0376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x00007f7a0234eb5b n/a (r600_dri.so + 0x4bab5b)
                                              #2  0x00007f7a0234e75b n/a (r600_dri.so + 0x4ba75b)
                                              #3  0x00007f7a2c2a9609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007f7a2ca92293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 15544:
                                              #0  0x00007f7a2c2b0376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x00007f7a0234eb5b n/a (r600_dri.so + 0x4bab5b)
                                              #2  0x00007f7a0234e75b n/a (r600_dri.so + 0x4ba75b)
                                              #3  0x00007f7a2c2a9609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007f7a2ca92293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 15545:
                                              #0  0x00007f7a2c2b0376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x00007f7a0234eb5b n/a (r600_dri.so + 0x4bab5b)
                                              #2  0x00007f7a0234e75b n/a (r600_dri.so + 0x4ba75b)
                                              #3  0x00007f7a2c2a9609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007f7a2ca92293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 15546:
                                              #0  0x00007f7a2c2b0376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x00007f7a0234eb5b n/a (r600_dri.so + 0x4bab5b)
                                              #2  0x00007f7a0234e75b n/a (r600_dri.so + 0x4ba75b)
                                              #3  0x00007f7a2c2a9609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007f7a2ca92293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 15547:
                                              #0  0x00007f7a2c2b0376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x00007f7a0234eb5b n/a (r600_dri.so + 0x4bab5b)
                                              #2  0x00007f7a0234e75b n/a (r600_dri.so + 0x4ba75b)
                                              #3  0x00007f7a2c2a9609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007f7a2ca92293 __clone (libc.so.6 + 0x122293)

jan 24 17:07:34 DOMAIN-A systemd-coredump[30937]: Process 30655 (taskunifier-app) of user 1000 dumped core.

                                              Stack trace of thread 30655:
                                              #0  0x000055c185bb7cc8 n/a (taskunifier-app + 0x3fe3cc8)
                                              #1  0x000055c185b4117e n/a (taskunifier-app + 0x3f6d17e)
                                              #2  0x000055c185b51571 n/a (taskunifier-app + 0x3f7d571)
                                              #3  0x000055c185b5124e n/a (taskunifier-app + 0x3f7d24e)
                                              #4  0x000055c185b0d5b7 n/a (taskunifier-app + 0x3f395b7)
                                              #5  0x00007ff18736afbd g_main_context_dispatch (libglib-2.0.so.0 + 0x51fbd)
                                              #6  0x00007ff18736b240 n/a (libglib-2.0.so.0 + 0x52240)
                                              #7  0x00007ff18736b2e3 g_main_context_iteration (libglib-2.0.so.0 + 0x522e3)
                                              #8  0x000055c185b0d2b6 n/a (taskunifier-app + 0x3f392b6)
                                              #9  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #10 0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #11 0x000055c184fa182b n/a (taskunifier-app + 0x33cd82b)
                                              #12 0x000055c184fa3752 n/a (taskunifier-app + 0x33cf752)
                                              #13 0x000055c184f9ea5c n/a (taskunifier-app + 0x33caa5c)
                                              #14 0x000055c184e98a1a n/a (taskunifier-app + 0x32c4a1a)
                                              #15 0x000055c184e9863b n/a (taskunifier-app + 0x32c463b)
                                              #16 0x000055c1841557a4 n/a (taskunifier-app + 0x25817a4)
                                              #17 0x000055c184155eb2 n/a (taskunifier-app + 0x2581eb2)
                                              #18 0x000055c1834d8fb6 n/a (taskunifier-app + 0x1904fb6)
                                              #19 0x00007ff185cee0b3 __libc_start_main (libc.so.6 + 0x270b3)
                                              #20 0x000055c1834c2e6a _start (taskunifier-app + 0x18eee6a)
                                              
                                              Stack trace of thread 30664:
                                              #0  0x00007ff1874bd7b1 futex_abstimed_wait_cancelable (libpthread.so.0 + 0x107b1)
                                              #1  0x000055c185b8aa71 n/a (taskunifier-app + 0x3fb6a71)
                                              #2  0x000055c185b8b0d7 n/a (taskunifier-app + 0x3fb70d7)
                                              #3  0x000055c185b63818 n/a (taskunifier-app + 0x3f8f818)
                                              #4  0x000055c185b64159 n/a (taskunifier-app + 0x3f90159)
                                              #5  0x000055c185b63d7d n/a (taskunifier-app + 0x3f8fd7d)
                                              #6  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #7  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #8  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30668:
                                              #0  0x00007ff185de95ce epoll_wait (libc.so.6 + 0x1225ce)
                                              #1  0x000055c1834d68a4 n/a (taskunifier-app + 0x19028a4)
                                              #2  0x000055c1834c86d9 uv_run (taskunifier-app + 0x18f46d9)
                                              #3  0x000055c18937c5b1 n/a (taskunifier-app + 0x77a85b1)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30656:
                                              #0  0x00007ff185ddcaff __GI___poll (libc.so.6 + 0x115aff)
                                              #1  0x000055c18530f92f n/a (taskunifier-app + 0x373b92f)
                                              #2  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30674:
                                              #0  0x00007ff185ddcaff __GI___poll (libc.so.6 + 0x115aff)
                                              #1  0x00007ff18736b1ae n/a (libglib-2.0.so.0 + 0x521ae)
                                              #2  0x00007ff18736b2e3 g_main_context_iteration (libglib-2.0.so.0 + 0x522e3)
                                              #3  0x00007ff18736b331 n/a (libglib-2.0.so.0 + 0x52331)
                                              #4  0x00007ff187394931 n/a (libglib-2.0.so.0 + 0x7b931)
                                              #5  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #6  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30669:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c18937c762 n/a (taskunifier-app + 0x77a8762)
                                              #3  0x000055c18937a788 n/a (taskunifier-app + 0x77a6788)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30680:
                                              #0  0x00007ff185ddf12b __GI___select (libc.so.6 + 0x11812b)
                                              #1  0x000055c185b916bc n/a (taskunifier-app + 0x3fbd6bc)
                                              #2  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30670:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c18937c762 n/a (taskunifier-app + 0x77a8762)
                                              #3  0x000055c18937a788 n/a (taskunifier-app + 0x77a6788)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30672:
                                              #0  0x00007ff1874c03f4 futex_abstimed_wait_cancelable (libpthread.so.0 + 0x133f4)
                                              #1  0x00007ff1874c04e8 __new_sem_wait_slow (libpthread.so.0 + 0x134e8)
                                              #2  0x000055c1834d390b uv_sem_wait (taskunifier-app + 0x18ff90b)
                                              #3  0x000055c1893e52a3 n/a (taskunifier-app + 0x78112a3)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30662:
                                              #0  0x00007ff185dacdff __GI___wait4 (libc.so.6 + 0xe5dff)
                                              #1  0x000055c185b89a50 n/a (taskunifier-app + 0x3fb5a50)
                                              #2  0x000055c185b876b0 n/a (taskunifier-app + 0x3fb36b0)
                                              #3  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30684:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b0cddc n/a (taskunifier-app + 0x3f38ddc)
                                              #5  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #6  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30677:
                                              #0  0x00007ff1874c136c __libc_read (libpthread.so.0 + 0x1436c)
                                              #1  0x000055c18361b5d2 n/a (taskunifier-app + 0x1a475d2)
                                              #2  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30740:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c1834c50a2 n/a (taskunifier-app + 0x18f10a2)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30665:
                                              #0  0x00007ff185de95ce epoll_wait (libc.so.6 + 0x1225ce)
                                              #1  0x000055c185cca28d n/a (taskunifier-app + 0x40f628d)
                                              #2  0x000055c185cc7d2b n/a (taskunifier-app + 0x40f3d2b)
                                              #3  0x000055c185b9e4db n/a (taskunifier-app + 0x3fca4db)
                                              #4  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #5  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #6  0x000055c184fa52ed n/a (taskunifier-app + 0x33d12ed)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30707:
                                              #0  0x00007ff185de95ce epoll_wait (libc.so.6 + 0x1225ce)
                                              #1  0x000055c185cca28d n/a (taskunifier-app + 0x40f628d)
                                              #2  0x000055c185cc7d2b n/a (taskunifier-app + 0x40f3d2b)
                                              #3  0x000055c185b9e589 n/a (taskunifier-app + 0x3fca589)
                                              #4  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #5  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #6  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #7  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #8  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #9  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30919:
                                              #0  0x00007ff185de289d syscall (libc.so.6 + 0x11b89d)
                                              #1  0x00007ff1873b85a6 g_cond_wait_until (libglib-2.0.so.0 + 0x9f5a6)
                                              #2  0x00007ff18733b561 n/a (libglib-2.0.so.0 + 0x22561)
                                              #3  0x00007ff18733bb86 g_async_queue_timeout_pop (libglib-2.0.so.0 + 0x22b86)
                                              #4  0x00007ff187395279 n/a (libglib-2.0.so.0 + 0x7c279)
                                              #5  0x00007ff187394931 n/a (libglib-2.0.so.0 + 0x7b931)
                                              #6  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #7  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30667:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b0cddc n/a (taskunifier-app + 0x3f38ddc)
                                              #5  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #6  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30722:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b6380a n/a (taskunifier-app + 0x3f8f80a)
                                              #5  0x000055c185b64159 n/a (taskunifier-app + 0x3f90159)
                                              #6  0x000055c185b63dad n/a (taskunifier-app + 0x3f8fdad)
                                              #7  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #8  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #9  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30683:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c186995245 n/a (taskunifier-app + 0x4dc1245)
                                              #3  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30741:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c1834c50a2 n/a (taskunifier-app + 0x18f10a2)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30742:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c1834c50a2 n/a (taskunifier-app + 0x18f10a2)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30676:
                                              #0  0x00007ff185de95ce epoll_wait (libc.so.6 + 0x1225ce)
                                              #1  0x000055c185cca28d n/a (taskunifier-app + 0x40f628d)
                                              #2  0x000055c185cc7d2b n/a (taskunifier-app + 0x40f3d2b)
                                              #3  0x000055c185b9e4db n/a (taskunifier-app + 0x3fca4db)
                                              #4  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #5  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #6  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #7  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #8  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #9  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30682:
                                              #0  0x00007ff1874bd7b1 futex_abstimed_wait_cancelable (libpthread.so.0 + 0x107b1)
                                              #1  0x000055c185b8aa71 n/a (taskunifier-app + 0x3fb6a71)
                                              #2  0x000055c185b8b0d7 n/a (taskunifier-app + 0x3fb70d7)
                                              #3  0x000055c185b63818 n/a (taskunifier-app + 0x3f8f818)
                                              #4  0x000055c185b64159 n/a (taskunifier-app + 0x3f90159)
                                              #5  0x000055c185b63d7d n/a (taskunifier-app + 0x3f8fd7d)
                                              #6  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #7  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #8  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30686:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b6380a n/a (taskunifier-app + 0x3f8f80a)
                                              #5  0x000055c185b64159 n/a (taskunifier-app + 0x3f90159)
                                              #6  0x000055c185b63ddd n/a (taskunifier-app + 0x3f8fddd)
                                              #7  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #8  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #9  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30687:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b0cddc n/a (taskunifier-app + 0x3f38ddc)
                                              #5  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #6  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30708:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b0cddc n/a (taskunifier-app + 0x3f38ddc)
                                              #5  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #6  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30671:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c18937c762 n/a (taskunifier-app + 0x77a8762)
                                              #3  0x000055c18937a788 n/a (taskunifier-app + 0x77a6788)
                                              #4  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #5  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30675:
                                              #0  0x00007ff185ddcaff __GI___poll (libc.so.6 + 0x115aff)
                                              #1  0x00007ff18736b1ae n/a (libglib-2.0.so.0 + 0x521ae)
                                              #2  0x00007ff18736b533 g_main_loop_run (libglib-2.0.so.0 + 0x52533)
                                              #3  0x00007ff187254eda n/a (libgio-2.0.so.0 + 0x11eeda)
                                              #4  0x00007ff187394931 n/a (libglib-2.0.so.0 + 0x7b931)
                                              #5  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #6  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30678:
                                              #0  0x00007ff185ddcaff __GI___poll (libc.so.6 + 0x115aff)
                                              #1  0x00007ff18736b1ae n/a (libglib-2.0.so.0 + 0x521ae)
                                              #2  0x00007ff18736b2e3 g_main_context_iteration (libglib-2.0.so.0 + 0x522e3)
                                              #3  0x00007ff1622a099d n/a (libdconfsettings.so + 0xa99d)
                                              #4  0x00007ff187394931 n/a (libglib-2.0.so.0 + 0x7b931)
                                              #5  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #6  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30685:
                                              #0  0x00007ff185de95ce epoll_wait (libc.so.6 + 0x1225ce)
                                              #1  0x000055c183622eec n/a (taskunifier-app + 0x1a4eeec)
                                              #2  0x000055c1835f9048 n/a (taskunifier-app + 0x1a25048)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30695:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c185b8a8dd n/a (taskunifier-app + 0x3fb68dd)
                                              #2  0x000055c185b8b336 n/a (taskunifier-app + 0x3fb7336)
                                              #3  0x000055c185b8ae8e n/a (taskunifier-app + 0x3fb6e8e)
                                              #4  0x000055c185b0cddc n/a (taskunifier-app + 0x3f38ddc)
                                              #5  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #6  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30743:
                                              #0  0x00007ff1874bd376 futex_wait_cancelable (libpthread.so.0 + 0x10376)
                                              #1  0x000055c1834d3aa9 uv_cond_wait (taskunifier-app + 0x18ffaa9)
                                              #2  0x000055c1834c50a2 n/a (taskunifier-app + 0x18f10a2)
                                              #3  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #4  0x00007ff185de9293 __clone (libc.so.6 + 0x122293)
                                              
                                              Stack trace of thread 30663:
                                              #0  0x00007ff185de95ce epoll_wait (libc.so.6 + 0x1225ce)
                                              #1  0x000055c185cca28d n/a (taskunifier-app + 0x40f628d)
                                              #2  0x000055c185cc7d2b n/a (taskunifier-app + 0x40f3d2b)
                                              #3  0x000055c185b9e589 n/a (taskunifier-app + 0x3fca589)
                                              #4  0x000055c185b51b69 n/a (taskunifier-app + 0x3f7db69)
                                              #5  0x000055c185b29001 n/a (taskunifier-app + 0x3f55001)
                                              #6  0x000055c185b5becd n/a (taskunifier-app + 0x3f87ecd)
                                              #7  0x000055c185b69f0d n/a (taskunifier-app + 0x3f95f0d)
                                              #8  0x000055c185b8e911 n/a (taskunifier-app + 0x3fba911)
                                              #9  0x00007ff1874b6609 start_thread (libpthread.so.0 + 0x9609)
                                              #10 0x00007ff185de9293 __clone (libc.so.6 + 0x122293)

jan 24 18:00:01 DOMAIN-A systemd-coredump[41889]: Process 41887 (play) of user 0 dumped core.

                                              Stack trace of thread 41887:
                                              #0  0x00007f67e3d7137a n/a (libsox_fmt_ao.so + 0x137a)
                                              #1  0x00005590c13a2efb n/a (sox + 0xbefb)
                                              #2  0x00005590c13a309c n/a (sox + 0xc09c)
                                              #3  0x00005590c13a34fe n/a (sox + 0xc4fe)
                                              #4  0x00005590c139bf3a n/a (sox + 0x4f3a)
                                              #5  0x00007f67e3ebc0b3 __libc_start_main (libc.so.6 + 0x270b3)
                                              #6  0x00005590c139ea6e n/a (sox + 0x7a6e)

jan 24 21:00:01 DOMAIN-A systemd-coredump[73977]: Process 73975 (play) of user 0 dumped core.

                                              Stack trace of thread 73975:
                                              #0  0x00007f620c6b237a n/a (libsox_fmt_ao.so + 0x137a)
                                              #1  0x000055c1bd27aefb n/a (sox + 0xbefb)
                                              #2  0x000055c1bd27b09c n/a (sox + 0xc09c)
                                              #3  0x000055c1bd27b4fe n/a (sox + 0xc4fe)
                                              #4  0x000055c1bd273f3a n/a (sox + 0x4f3a)
                                              #5  0x00007f620c7fd0b3 __libc_start_main (libc.so.6 + 0x270b3)
                                              #6  0x000055c1bd276a6e n/a (sox + 0x7a6e)

jan 24 22:07:01 DOMAIN-A systemd-coredump[86655]: Process 86653 (play) of user 0 dumped core.

                                              Stack trace of thread 86653:
                                              #0  0x00007fc6ea10337a n/a (libsox_fmt_ao.so + 0x137a)
                                              #1  0x000055fc6deb7efb n/a (sox + 0xbefb)
                                              #2  0x000055fc6deb809c n/a (sox + 0xc09c)
                                              #3  0x000055fc6deb84fe n/a (sox + 0xc4fe)
                                              #4  0x000055fc6deb0f3a n/a (sox + 0x4f3a)
                                              #5  0x00007fc6ea24e0b3 __libc_start_main (libc.so.6 + 0x270b3)
                                              #6  0x000055fc6deb3a6e n/a (sox + 0x7a6e)

[stepnjump]

It's not slowing down the system as it used to be at all.. but just happened to noticed that in the logs...
Thought it might be helpful to you Benjamin.