[abrt] device-mapper-event-1.02.84-14.el7: dmeventd killed by SIGSEGV

Issue

• Core file was collected and the following message was logged on the console :

[abrt] device-mapper-event-1.02.84-14.el7: dmeventd killed by SIGSEGV

Following is the backtrace

(gdb) bt
#0  _timeout_thread (unused=<optimized out>) at dmeventd.c:570
#1  0x00007f24d3160df3 in start_thread (arg=0x7f24d3850700) at pthread_create.c:308
#2  0x00007f24d2a393dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113


(gdb) bt full
#0  _timeout_thread (unused=<optimized out>) at dmeventd.c:570
        __clframe = {__cancel_routine = <optimized out>, __cancel_arg = 0x0, __do_it = 1, __cancel_type = <optimized out>}
        thread = 0x203878366b4c72e5
        timeout = {tv_sec = 1427731508, tv_nsec = 0}                             <<<<<<<<<<<<<<<<<  [2]
        curr_time = 1427731507
#1  0x00007f24d3160df3 in start_thread (arg=0x7f24d3850700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f24d3850700
        now = <optimized out>                           <<<<<<<<<<<<<<<<<<<<  [3]
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139796144260864, 1829909381714542069, 0, 139796144261568, 139796144260864, 0, -1788909907420905995, -1788911125475754507}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#2  0x00007f24d2a393dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.

/var/log/messages showed

Mar 30 09:04:46 hostname pvscan: cinder--volumes-_snapshot--2318e106--cd22--4d2b--a42b--401f388124ee: event registration failed: Input/output error
Mar 30 09:04:46 hostname pvscan: cinder-volumes/snapshot8: snapshot segment monitoring function failed.
Mar 30 09:04:46 hostname pvscan: Internal error: Performing unsafe table load while 3 device(s) are known to be suspended:  (253:45)
Mar 30 09:04:52 hostname pvscan: No input from event server.
Mar 30 09:04:58 hostname pvscan: No input from event server.
Mar 30 09:04:58 hostname dmeventd[13307]: dmeventd ready for processing.
Mar 30 09:04:58 hostname lvm[13307]: Monitoring snapshot cinder--volumes-_snapshot--2318e106--cd22--4d2b--a42b--401f388124ee
Mar 30 09:04:58 hostname pvscan: 36 logical volume(s) in volume group "cinder-volumes" now active
Mar 30 09:04:58 hostname pvscan: libdevmapper exiting with 3 device(s) still suspended.
Mar 30 09:04:58 hostname pvscan: 36 logical volume(s) in volume group "cinder-volumes" now active
Mar 30 09:04:58 hostname systemd: Started LVM2 PV scan on device 65:224.
Mar 30 09:04:58 hostname pvscan: 36 logical volume(s) in volume group "cinder-volumes" now active
Mar 30 09:04:58 hostname systemd: Stopping LVM2 PV scan on device 253:43...
Mar 30 09:04:58 hostname systemd: Requested transaction contradicts existing jobs: File exists
Mar 30 09:04:58 hostname systemd: Started LVM2 PV scan on device 65:48.
Mar 30 09:04:58 hostname systemd: Stopped LVM2 PV scan on device 253:43.
Mar 30 09:04:58 hostname systemd: Started LVM2 PV scan on device 66:16.
Mar 30 09:04:58 hostname systemd: Startup finished in 1.040s (kernel) + 13.532s (initrd) + 6min 12.421s (userspace) = 6min 26.994s.
Mar 30 09:05:01 hostname systemd: Created slice user-163.slice.
Mar 30 09:05:01 hostname systemd: Starting Session 10 of user keystone.
Mar 30 09:05:01 hostname systemd: Started Session 10 of user keystone.
Mar 30 09:05:07 hostname ceilometer-api: 10.182.195.112 - - [30/Mar/2015 09:05:07] "GET /v2/alarms?q.field=enabled&q.op=&q.type=&q.value=True HTTP/1.1" 200 2
Mar 30 09:05:08 hostname kernel: traps: dmeventd[13308] general protection ip:7f24d39a953f sp:7f24d384fe10 error:0 in dmeventd[7f24d39a3000+8000]
Mar 30 09:05:08 hostname abrt-hook-ccpp: Saved core dump of pid 13307 (/usr/sbin/dmeventd) to /var/tmp/abrt/ccpp-2015-03-30-09:05:08-13307 (13406208 bytes)