I installed systemd-coredump and this is what I see in my logs now: Aug 27 23:04:37 hostname systemd[1]: Listening on Process Core Dump Socket. Aug 27 23:05:34 hostname cups-browsed[29428]: munmap_chunk(): invalid pointer Aug 27 23:05:34 hostname systemd[1]: Created slice system-systemd\x2dcoredump.slice. Aug 27 23:05:34 hostname systemd[1]: Started Process Core Dump (PID 6012/UID 0). Aug 27 23:05:35 hostname systemd[1]: cups-browsed.service: Main process exited, code=dumped, status=6/ABRT Aug 27 23:05:35 hostname systemd[1]: cups-browsed.service: Failed with result 'core-dump'. Aug 27 23:05:35 hostname systemd-coredump[6013]: Process 29428 (cups-browsed) of user 0 dumped core.#012#012Stack trace of thread 29428:#012#0 0x00007fe5388c0f3b __GI_raise (libc.so.6)#012#1 0x00007fe5388c22f1 __GI_abort (libc.so.6)#012#2 0x00007fe538903867 __libc_message (libc.so.6)#012#3 0x00007fe538909e0a malloc_printerr (libc.so.6)#012#4 0x00007fe53890a36c munmap_chunk (libc.so.6)#012#5 0x00005618c0606c86 n/a (/usr/sbin/cups-browsed (deleted))#012#6 0x00007fe5388adb17 __libc_start_main (libc.so.6)#012#7 0x00005618c060769a n/a (/usr/sbin/cups-browsed (deleted))#012#012Stack trace of thread 29487:#012#0 0x00007fe538978739 __GI___poll (libc.so.6)#012#1 0x00007fe538d44439 n/a (libglib-2.0.so.0)#012#2 0x00007fe538d4454c g_main_context_iteration (libglib-2.0.so.0)#012#3 0x00007fe538d44591 n/a (libglib-2.0.so.0)#012#4 0x00007fe538d6be05 n/a (libglib-2.0.so.0)#012#5 0x00007fe538a4ff2a start_thread (libpthread.so.0)#012#6 0x00007fe538982edf __clone (libc.so.6)#012#012Stack trace of thread 29492:#012#0 0x00007fe538978739 __GI___poll (libc.so.6)#012#1 0x00007fe538d44439 n/a (libglib-2.0.so.0)#012#2 0x00007fe538d447d2 g_main_loop_run (libglib-2.0.so.0)#012#3 0x00007fe539332e26 n/a (libgio-2.0.so.0)#012#4 0x00007fe538d6be05 n/a (libglib-2.0.so.0)#012#5 0x00007fe538a4ff2a start_thread (libpthread.so.0)#012#6 0x00007fe538982edf __clone (libc.so.6) Aug 27 23:07:19 hostname cups-browsed[6015]: munmap_chunk(): invalid pointer Aug 27 23:07:19 hostname systemd[1]: Started Process Core Dump (PID 16052/UID 0). Aug 27 23:07:19 hostname systemd[1]: cups-browsed.service: Main process exited, code=dumped, status=6/ABRT Aug 27 23:07:19 hostname systemd[1]: cups-browsed.service: Failed with result 'core-dump'. Aug 27 23:07:19 hostname systemd-coredump[16053]: Process 6015 (cups-browsed) of user 0 dumped core.#012#012Stack trace of thread 6015:#012#0 0x00007f28aa0dcf3b __GI_raise (libc.so.6)#012#1 0x00007f28aa0de2f1 __GI_abort (libc.so.6)#012#2 0x00007f28aa11f867 __libc_message (libc.so.6)#012#3 0x00007f28aa125e0a malloc_printerr (libc.so.6)#012#4 0x00007f28aa12636c munmap_chunk (libc.so.6)#012#5 0x0000561f47bf3c86 n/a (cups-browsed)#012#6 0x00007f28aa0c9b17 __libc_start_main (libc.so.6)#012#7 0x0000561f47bf469a n/a (cups-browsed)#012#012Stack trace of thread 6017:#012#0 0x00007f28aa194739 __GI___poll (libc.so.6)#012#1 0x00007f28aa560439 n/a (libglib-2.0.so.0)#012#2 0x00007f28aa56054c g_main_context_iteration (libglib-2.0.so.0)#012#3 0x00007f28aa560591 n/a (libglib-2.0.so.0)#012#4 0x00007f28aa587e05 n/a (libglib-2.0.so.0)#012#5 0x00007f28aa26bf2a start_thread (libpthread.so.0)#012#6 0x00007f28aa19eedf __clone (libc.so.6)#012#012Stack trace of thread 6018:#012#0 0x00007f28aa194739 __GI___poll (libc.so.6)#012#1 0x00007f28aa560439 n/a (libglib-2.0.so.0)#012#2 0x00007f28aa5607d2 g_main_loop_run (libglib-2.0.so.0)#012#3 0x00007f28aab4ee26 n/a (libgio-2.0.so.0)#012#4 0x00007f28aa587e05 n/a (libglib-2.0.so.0)#012#5 0x00007f28aa26bf2a start_thread (libpthread.so.0)#012#6 0x00007f28aa19eedf __clone (libc.so.6)
One thing I noticed is that I don't actually have the cups-browsed package installed: $ dpkg -l cups-browsed Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=============================-===================-===================-=============================================================== un cups-browsed <none> <none> (no description available) though I do have cups-filters: $ dpkg -l cups-filters Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=============================-===================-===================-=============================================================== ii cups-filters 1.21.1-1 amd64 OpenPrinting CUPS Filters - Main Package Could this be the problem? It's a bit strange that I'd get a coredump when the package isn't installed but maybe the crashing process is mislabeled? Francois
