.
Thread 1 (LWP 268):
#0  0x0000000000423204 in stdout_stream_free (s=0xcf81d0) at ../src/journal/journald-stream.c:323
        _head = 0x7fff66d166c0
        _item = 0xcf81d0
        __PRETTY_FUNCTION__ = "stdout_stream_free"
#1  0x000000000040be6f in process_event (s=0x7fff66d165c0, ev=0x7fff66d165b0) at ../src/journal/journald-server.c:1311
        stream = 0xcf81d0
        __PRETTY_FUNCTION__ = "process_event"
        __func__ = "process_event"
#2  0x000000000040412e in main (argc=<optimized out>, argv=<optimized out>) at ../src/journal/journald.c:118
        event = {events = 17, data = {ptr = 0xcf81d0, fd = 13599184, u32 = 13599184, u64 = 13599184}}
        t = -1
        n = 1415060518258109
        server = {epoll_fd = 7, signal_fd = 10, syslog_fd = 5, native_fd = 4, stdout_fd = 3, dev_kmsg_fd = 8, runtime_journal = 0xcf7970, system_journal = 0x0, user_journals = 0xcef050, seqnum = 90905, buffer = 0xcf1860 "PRIORITY=6\nSYSLOG_FACILITY=3\nCODE_FILE=../src/core/main.c\nCODE_LINE=202\nCODE_FUNCTION=crash\nSYSLOG_IDENTIFIER=systemd\nMESSAGE=Freezing execution.\n core as pid 31512.\nESSAGE_ID=39f53479d3a045ac8e117862"..., buffer_size = 2317, rate_limit = 0xcf00f0, sync_interval_usec = 300000000, rate_limit_interval = 30000000, rate_limit_burst = 1000, runtime_metrics = {max_use = 83533824, use = 18446744073709551615, max_size = 10444800, min_size = 4194304, keep_free = 125300736}, system_metrics = {max_use = 18446744073709551615, use = 18446744073709551615, max_size = 18446744073709551615, min_size = 18446744073709551615, keep_free = 18446744073709551615}, compress = true, seal = true, forward_to_kmsg = false, forward_to_syslog = true, forward_to_console = false, n_forward_syslog_missed = 0, last_warn_forward_syslog_missed = 115479732852, cached_available_space = 2031616, cached_available_space_timestamp = 116971878382, var_available_timestamp = 0, max_retention_usec = 0, max_file_usec = 2629800000000, oldest_file_usec = 1414929488290769, stdout_streams = 0xd1af50, n_stdout_streams = 66, tty_path = 0x0, max_level_store = 7, max_level_syslog = 7, max_level_kmsg = 5, max_level_console = 6, storage = STORAGE_AUTO, split_mode = SPLIT_LOGIN, mmap = 0xcf0050, dev_kmsg_readable = true, kernel_seqnum = 0x7f85a0790000, udev = 0xcf0090, sync_timer_fd = 9, sync_scheduled = false}
        r = <optimized out>
        __func__ = "main"