Full core dump file captured (*.lz4) is available as 60MB file on request. $ coredumpctl info 2186 PID: 2186 (firefox) UID: 1000 (jb) GID: 1000 (jb) Signal: 11 (SEGV) Timestamp: Thu 2017-05-04 01:04:48 CEST (16h ago) Command Line: ./firefox --class Tor Browser -profile TorBrowser/Data/Browser/profile.default Executable: /home/jb/Downloads/tor-browser_en-US/Browser/firefox Control Group: / Slice: -.slice Boot ID: edc04a8c98944494b203b06fb397dde0 PID: 2186 (firefox) UID: 1000 (jb) GID: 1000 (jb) Signal: 11 (SEGV) Timestamp: Thu 2017-05-04 01:04:48 CEST (16h ago) Command Line: ./firefox --class Tor Browser -profile TorBrowser/Data/Browser/profile.default Executable: /home/jb/Downloads/tor-browser_en-US/Browser/firefox Control Group: / Slice: -.slice Boot ID: edc04a8c98944494b203b06fb397dde0 Machine ID: e464cf23e765494294ab3515a8e2efd0 Hostname: myhost Storage: /var/lib/systemd/coredump/core.firefox.1000.edc04a8c98944494b203b06fb397dde0.2186.1493852688000000000000.lz4 Message: Process 2186 (firefox) of user 1000 dumped core. Stack trace of thread 5626: #0 0x00007f8418598ea0 raise (libpthread.so.0) #1 0x00007f84141a319c n/a (libxul.so) #2 0x00007f8414c78c36 n/a (libxul.so) #3 0x00007f8418598fe0 __restore_rt (libpthread.so.0) #4 0x00007f841419f0b7 n/a (libxul.so) #5 0x00007f8418989568 n/a (/home/jb/Downloads/tor-browser_en-US/Browser/libnspr4.so) #6 0x00007f841858e2e7 start_thread (libpthread.so.0) #7 0x00007f841760a54f __clone (libc.so.6) Stack trace of thread 2198: #0 0x00007f8418594756 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f8418983fc0 PR_WaitCondVar (/home/jb/Downloads/tor-browser_en-US/Browser/libnspr4.so) #2 0x00007f8414a55fbd n/a (libxul.so) #3 0x00007f8418989568 n/a (/home/jb/Downloads/tor-browser_en-US/Browser/libnspr4.so) #4 0x00007f841858e2e7 start_thread (libpthread.so.0) #5 0x00007f841760a54f __clone (libc.so.6) Stack trace of thread 2186: #0 0x00007f8418594756 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f8418983fc0 PR_WaitCondVar (/home/jb/Downloads/tor-browser_en-US/Browser/libnspr4.so) #2 0x00007f8412b76285 n/a (libxul.so) #3 0x00007f8412b77a50 n/a (libxul.so) #4 0x00007f8412b7a16d n/a (libxul.so) #5 0x00007f8412b960aa n/a (libxul.so) #6 0x00007f8412b7b77e n/a (libxul.so) #7 0x00007f8412cf47e4 n/a (libxul.so) #8 0x00007f8412cf4827 n/a (libxul.so) #9 0x00007f8412b5be0d n/a (libxul.so) #10 0x00007f8412b5beb6 n/a (libxul.so) #11 0x00007f8412b9099b n/a (libxul.so) #12 0x00007f84141a5ed1 n/a (libxul.so) #13 0x00007f84141a5ef6 n/a (libxul.so) #14 0x00007f84141aa723 n/a (libxul.so) #15 0x00007f84141aa8e3 XRE_main (libxul.so) #16 0x0000563c4b93659b _start (firefox) #17 0x0000563c4b935dff n/a (firefox) #18 0x00007f841753e511 __libc_start_main (libc.so.6) #19 0x0000563c4b935f11 _start (firefox) **Trac**: **Username**: jb.1234abcd