COREDUMPCTL(1) coredumpctl COREDUMPCTL(1) (NAME) coredumpctl - (SYNOPSIS) coredumpctl [OPTIONS...] {COMMAND} [PID|COMM|EXE|MATCH...] (DESCRIPTION) coredumpctl (core dump) systemd-coredump(8) . (COMMANDS) : list . . : TIME (crash) . 233. PID . 233. UID, GID . 233. SIGNAL . 233. COREFILE : "none" "-" ( ) "present" "journal" "journal" "truncated" "error" "missing" . 233. EXE . (backtrace) . 233. /var/lib/systemd/coredump systemd-coredump(8) . . 215. info . 215. dump . --output= . 215. debug (debugger) . gdb(1) . --debugger= $SYSTEMD_DEBUGGER . --debugger-arguments= . 239. (OPTIONS) : -h, --help . --version . --no-pager (pager) . --no-legend (legend) . --json=MODE JSON . : "short" ( ) "pretty" ( ) "off" ( JSON ). -1 . --reverse -n 1. 215. -n INT . 1 . 248. -S, --since . 233. -U, --until . 233. -r, --reverse . 233. -F FIELD, --field=FIELD . 215. -o FILE, --output=FILE FILE . 215. --debugger=DEBUGGER debug . $SYSTEMD_DEBUGGER gdb(1) . 239. -A ARGS, --debugger-arguments=ARGS ARGS . ARGS . ( .) 248. --file=GLOB (file glob) . coredumpctl GLOB . (interleaved) . 246. -D DIR, --directory=DIR DIR . 225. --root=ROOT ROOT . 252. --image=image (block device node) . . --root= . GPT UAPI.2 Discoverable Partitions Specification[1]. systemd-nspawn(1) . 252. --image-policy=policy systemd.image-policy(7) . --image= . "*" . -q, --quiet (in-flight) . 233. --all /var/log/journal/ ( ) . 250. (MATCHING) : PID (PID) . . 215. COMM ( COREDUMP_COMM=). . 215. EXE ( COREDUMP_EXE=). . 215. MATCH journalctl ("=") . journalctl(1) . 215. (EXIT STATUS) 0 . . (ENVIRONMENT) $SYSTEMD_DEBUGGER debug. --debugger= . 239. (EXAMPLES) 1. $ coredumpctl list /usr/lib64/firefox/firefox TIME PID UID GID SIG COREFILE EXE SIZE Tue ... 8018 1000 1000 SIGSEGV missing /usr/lib64/firefox/firefox - Wed ... 251609 1000 1000 SIGTRAP missing /usr/lib64/firefox/firefox - Fri ... 552351 1000 1000 SIGSEGV present /usr/lib64/firefox/firefox 28.7M /usr/lib64/firefox/firefox ( ). coredumpctl . . 2. gdb $ coredumpctl debug 3. gdb $ coredumpctl debug --debugger-arguments="-batch -ex 'info all-registers'" 4. PID $ coredumpctl info 6654 PID: 6654 (bash) UID: 1000 (user) GID: 1000 (user) Signal: 11 (SEGV) Timestamp: Mon 2021-01-01 00:00:01 CET (20s ago) Command Line: bash -c $'kill -SEGV $$' Executable: /usr/bin/bash Control Group: /user.slice/user-1000.slice/... Unit: user@1000.service User Unit: vte-spawn-....scope Slice: user-1000.slice Owner UID: 1000 (user) Boot ID: ... Machine ID: ... Hostname: ... Storage: /var/lib/systemd/coredump/core.bash.1000.....zst (present) Size on Disk: 51.7K Message: Process 130414 (bash) of user 1000 dumped core. Stack trace of thread 130414: #0 0x00007f398142358b kill (libc.so.6 + 0x3d58b) #1 0x0000558c2c7fda09 kill_builtin (bash + 0xb1a09) #2 0x0000558c2c79dc59 execute_builtin.lto_priv.0 (bash + 0x51c59) #3 0x0000558c2c79709c execute_simple_command (bash + 0x4b09c) #4 0x0000558c2c798408 execute_command_internal (bash + 0x4c408) #5 0x0000558c2c7f6bdc parse_and_execute (bash + 0xaabdc) #6 0x0000558c2c85415c run_one_command.isra.0 (bash + 0x10815c) #7 0x0000558c2c77d040 main (bash + 0x31040) #8 0x00007f398140db75 __libc_start_main (libc.so.6 + 0x27b75) #9 0x0000558c2c77dd1e _start (bash + 0x31d1e) 5. /usr/bin/bar bar.coredump $ coredumpctl -o bar.coredump dump /usr/bin/bar (SEE ALSO) systemd-coredump(8), coredump.conf(5), systemd-journald.service(8), gdb(1) (NOTES) 1. UAPI.2 Discoverable Partitions Specification https://uapi- group.org/specifications/specs/discoverable_partitions_specification systemd 261.2 COREDUMPCTL(1)