feb 02 09:03:17 pececillo systemd[1]: Created slice system-systemd\x2dcoredump.slice.
-- Subject: Unit system-systemd\x2dcoredump.slice has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit system-systemd\x2dcoredump.slice has finished starting up.
-- 
-- The start-up result is done.
feb 02 09:03:17 pececillo systemd[1]: Started Process Core Dump (PID 1496/UID 0).
-- Subject: Unit systemd-coredump@0-1496-0.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-coredump@0-1496-0.service has finished starting up.
-- 
-- The start-up result is done.
feb 02 09:03:17 pececillo acpid[428]: client 799[1000:1000] has disconnected
feb 02 09:03:17 pececillo acpid[428]: client 799[1000:1000] has disconnected
feb 02 09:03:17 pececillo root[1499]: ACPI group/action undefined: jack/lineout / LINEOUT
feb 02 09:03:17 pececillo root[1501]: ACPI group/action undefined: jack/videoout / VIDEOOUT
feb 02 09:03:17 pececillo systemd-coredump[1497]: Process 799 (Xorg) of user 1000 dumped core.
                                                  
                                                  Stack trace of thread 803:
                                                  #0  0x00007f5e8142af24 n/a (intel_drv.so)
                                                  #1  0x00000000004bb772 n/a (Xorg)
                                                  #2  0x0000000000582d13 n/a (Xorg)
                                                  #3  0x0000000000583b14 miPointerSetPosition (Xorg)
                                                  #4  0x000000000044cece n/a (Xorg)
                                                  #5  0x000000000044d6d3 n/a (Xorg)
                                                  #6  0x000000000044ef7f GetPointerEvents (Xorg)
                                                  #7  0x000000000044f530 QueuePointerEvents (Xorg)
                                                  #8  0x00007f5e7ea153c5 n/a (libinput_drv.so)
                                                  #9  0x00007f5e7ea15f90 n/a (libinput_drv.so)
                                                  #10 0x0000000000599a8c n/a (Xorg)
                                                  #11 0x000000000059c191 n/a (Xorg)
                                                  #12 0x00000000005998e6 n/a (Xorg)
                                                  #13 0x00007f5e85fa7454 start_thread (libpthread.so.0)
                                                  #14 0x00007f5e85cea7df __clone (libc.so.6)
                                                  
                                                  Stack trace of thread 799:
                                                  #0  0x00007f5e85faff1c __lll_lock_wait (libpthread.so.0)
                                                  #1  0x00007f5e85fa9bb6 pthread_mutex_lock (libpthread.so.0)
                                                  #2  0x00000000005997d0 input_lock (Xorg)
                                                  #3  0x00000000004bbc56 n/a (Xorg)
                                                  #4  0x00000000004ba4c5 n/a (Xorg)
                                                  #5  0x00000000005833ab miPointerUpdateSprite (Xorg)
                                                  #6  0x00000000005835fa n/a (Xorg)
                                                  #7  0x00000000004c8de1 n/a (Xorg)
                                                  #8  0x0000000000515500 n/a (Xorg)
                                                  #9  0x000000000043f6c8 n/a (Xorg)
                                                  #10 0x0000000000440b07 WindowHasNewCursor (Xorg)
                                                  #11 0x0000000000468860 ChangeWindowAttributes (Xorg)
                                                  #12 0x00000000004305ed n/a (Xorg)
                                                  #13 0x00000000004368d5 n/a (Xorg)
                                                  #14 0x000000000043a858 n/a (Xorg)
                                                  #15 0x00007f5e85c22291 __libc_start_main (libc.so.6)
                                                  #16 0x000000000042453a _start (Xorg)
                                                  
                                                  Stack trace of thread 800:
                                                  #0  0x00007f5e85fad10f pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                  #1  0x00007f5e8146e709 n/a (intel_drv.so)
                                                  #2  0x00007f5e85fa7454 start_thread (libpthread.so.0)
                                                  #3  0x00007f5e85cea7df __clone (libc.so.6)
-- Subject: Process 799 (Xorg) dumped core
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Documentation: man:core(5)
-- 
-- Process 799 (Xorg) crashed and dumped core.
-- 
-- This usually indicates a programming error in the crashing program and
-- should be reported to its vendor as a bug.
feb 02 09:03:17 pececillo root[1508]: ACPI group/action undefined: jack/lineout / LINEOUT
feb 02 09:03:17 pececillo root[1510]: ACPI group/action undefined: jack/videoout / VIDEOOUT