[systemd-bugs] [Bug 87349] New: Program terminated with signal SIGFPE, Arithmetic exception.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87349

            Bug ID: 87349
           Summary: Program terminated with signal SIGFPE, Arithmetic
                    exception.
           Product: systemd
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: paulepanter at users.sourceforge.net
        QA Contact: systemd-bugs at lists.freedesktop.org

Using Debian Sid/unstable with systemd 215-8, I still have problems that there
are timeouts between systemd and D-Bus, even with the current D-Bus 1.8.12 [1].
Experiencing this again, where `systemd-logind.service` was not started, I was
able to log in on tty1 but in the end I was unable to run any `sudo systemctl`
commands as they timed out. I also was unable to reboot or halt the system.

Somewhere in that situation systemd also crashed with an arithmetic exception.
(`Caught <FPE>` in `/var/log/syslog`)

Here is the backtrace.

Thread 1 (Thread 0xb73417c0 (LWP 3020)):
#0  0xb7650d3c in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7603bb6 in raise (sig=8) at
../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = <optimized out>
#2  0xb7686e6b in crash.lto_priv.235 (sig=8) at ../src/core/main.c:158
        rl = {rlim_cur = 18446744073709551615, rlim_max = 18446744073709551615}
        sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0},
sa_mask = {__val = {0 <repeats 32 times>}}, sa_flags = 0, 
          sa_restorer = 0x0}
        pid = <optimized out>
        __func__ = "crash"
        __PRETTY_FUNCTION__ = "crash"
#3  <signal handler called>
No symbol table info available.
#4  0xb772fcdf in manager_print_jobs_in_progress (m=0xb79c6bd0) at
../src/core/manager.c:170
        job_of_n = 0x0
        j = <optimized out>
        counter = 0
        cylon =
"|\000\000\000\060ᶷ\000\000\000\000\001\000\000\000\002\000\000\000\003\000\000\000\004\000\000\000\001\000\000"
        time =
"\002\000\000\000\003\000\000\000\005\000\000\000\001\000\000\000\002\000\000\000\003\000\000\000\004\000\000\000\005\000\000\000\000M\362\261\v\000\000\000\210P\245\267\071Hk\267h:{\267\005\000\000\000\v\000\000\000\210P\245\267"
        limit = "no limit", '\000' <repeats 55 times>
        x = <optimized out>
        i = 0x0
        cylon_pos = <optimized out>
#5  manager_dispatch_jobs_in_progress (source=0xb7b64fe8, usec=432972905,
userdata=0xb79c6bd0) at ../src/core/manager.c:1846
        m = 0xb79c6bd0
        r = <optimized out>
        next = <optimized out>
        __PRETTY_FUNCTION__ = "manager_dispatch_jobs_in_progress"
#6  0xb76a157d in source_dispatch (s=0xb7b64fe8) at
../src/libsystemd/sd-event/sd-event.c:2024
        r = <optimized out>
        __PRETTY_FUNCTION__ = "source_dispatch"
        __func__ = "source_dispatch"
#7  0xb76a6b94 in sd_event_run (e=<optimized out>, timeout=<optimized out>) at
../src/libsystemd/sd-event/sd-event.c:2314
        ev_queue = <optimized out>
        ev_queue_max = <optimized out>
        p = <optimized out>
        r = <optimized out>
        i = <optimized out>
        m = 1
        timedout = false
        __PRETTY_FUNCTION__ = "sd_event_run"
#8  0xb7731f13 in manager_loop (m=0xb79c6bd0) at ../src/core/manager.c:1912
        wait_usec = 18446744073709551615
        rl = {interval = 1000000, begin = 432639580, burst = 50000, num =
26074}
        __PRETTY_FUNCTION__ = "manager_loop"
        __func__ = "manager_loop"
#9  0xb7685062 in main (argc=1, argv=0xbfe55314) at ../src/core/main.c:1743
        m = <optimized out>
---Type <return> to continue, or q <return> to quit---
        r = <optimized out>
        retval = 1
        before_startup = <optimized out>
        after_startup = <optimized out>
        timespan = "
!4\267@\373d\267\234u_\267\070tE\267\364^_\267\001\000\000\000\000\000\000\000
\364e\267\210Q\345\277\000\060g\267dO\345\277 \372d\267
O\345\277\352\302e\267\320N\345\277\364^_\267"
        fds = 0x0
        reexecute = false
        shutdown_verb = 0x0
        initrd_timestamp = <optimized out>
        userspace_timestamp = {realtime = 1418677476056438, monotonic =
31671340}
        kernel_timestamp = {realtime = <optimized out>, monotonic = 0}
        security_start_timestamp = {realtime = 1418677476104972, monotonic =
31719875}
        security_finish_timestamp = {realtime = 1418677476138305, monotonic =
31753208}
        systemd = "systemd"
        skip_setup = <optimized out>
        j = <optimized out>
        loaded_policy = false
        arm_reboot_watchdog = false
        queue_default_job = <optimized out>
        empty_etc = <optimized out>
        switch_root_dir = 0x0
        switch_root_init = 0x0
        saved_rlimit_nofile = {rlim_cur = 1024, rlim_max = 4096}
        __func__ = "main"
        __PRETTY_FUNCTION__ = "main"

[1] https://bugs.freedesktop.org/show_bug.cgi?id=86431

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