$ sudo coredumpctl gdb 3168 PID: 3168 (vdr) UID: 666 (vdr) GID: 666 (vdr) Signal: 11 (SEGV) Timestamp: Sat 2018-09-29 20:43:22 CEST (51s ago) Command Line: /usr/bin/vdr Executable: /usr/bin/vdr Control Group: /system.slice/vdr.service Unit: vdr.service Slice: system.slice Boot ID: 55b0baa0179c459695f9771cacfdc7a0 Machine ID: 8ecbe91035be47429391cb904cf81c7a Hostname: yavdr07 Storage: /var/lib/systemd/coredump/core.vdr.666.55b0baa0179c459695f9771cacfdc7a0.3168.1538246602000000.lz4 Message: Process 3168 (vdr) of user 666 dumped core. Stack trace of thread 3731: #0 0x00007fb7cbaa8215 n/a (libfreetype.so.6) #1 0x00007fb7cbaad506 FT_Done_Library (libfreetype.so.6) #2 0x00007fb7cbaa2fde FT_Done_FreeType (libfreetype.so.6) #3 0x00007fb7b76bd0b8 _ZN8cOglFont7CleanupEv (libvdr-softhdcuvid.so.2.4.0) #4 0x00007fb7b76c1d90 _ZN10cOglThread7CleanupEv (libvdr-softhdcuvid.so.2.4.0) #5 0x00007fb7b76c201a _ZN10cOglThread6ActionEv (libvdr-softhdcuvid.so.2.4.0) #6 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #7 0x00007fb7cc5a86db start_thread (libpthread.so.0) #8 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3168: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x000056198a92884c _ZN8cCondVar9TimedWaitER6cMutexi (vdr) #2 0x000056198a8f7567 _ZN7cRemote3GetEiPPc (vdr) #3 0x000056198a865dec main (vdr) #4 0x00007fb7cab03b97 __libc_start_main (libc.so.6) #5 0x000056198a8683aa _start (vdr) Stack trace of thread 3178: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x000056198a92884c _ZN8cCondVar9TimedWaitER6cMutexi (vdr) #2 0x000056198a891693 _ZN9cDvbTuner6ActionEv (vdr) #3 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3181: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x000056198a92884c _ZN8cCondVar9TimedWaitER6cMutexi (vdr) #2 0x000056198a891693 _ZN9cDvbTuner6ActionEv (vdr) #3 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3183: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x000056198a8ff3b4 poll (vdr) #2 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #3 0x00007fb7cc5a86db start_thread (libpthread.so.0) #4 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3184: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7c75d4439 n/a (libglib-2.0.so.0) #2 0x00007fb7c75d47d2 g_main_loop_run (libglib-2.0.so.0) #3 0x00007fb7c8102de6 _ZN13cDBusMainLoop7do_loopEPv (libvdr-dbus2vdr.so.2.4.0) #4 0x00007fb7c75fbe85 n/a (libglib-2.0.so.0) #5 0x00007fb7cc5a86db start_thread (libpthread.so.0) #6 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3187: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7c75d4439 n/a (libglib-2.0.so.0) #2 0x00007fb7c75d47d2 g_main_loop_run (libglib-2.0.so.0) #3 0x00007fb7c7bc0f66 n/a (libgio-2.0.so.0) #4 0x00007fb7c75fbe85 n/a (libglib-2.0.so.0) #5 0x00007fb7cc5a86db start_thread (libpthread.so.0) #6 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3189: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x000056198a92884c _ZN8cCondVar9TimedWaitER6cMutexi (vdr) #2 0x00007fb7c5b6ea0c _ZN7cUpdate6ActionEv (libvdr-epg2vdr.so.2.4.0) #3 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3223: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7b4111633 n/a (libcuda.so.1) #2 0x00007fb7b417a84d n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3224: #0 0x00007fb7cc5ae9f3 futex_wait_cancelable (libpthread.so.0) #1 0x00007fb7b411446d n/a (libcuda.so.1) #2 0x00007fb7b40c3ed4 n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3227: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x000056198a934e4d poll (vdr) #2 0x000056198a926c95 _ZN19cSVDRPServerHandler6ActionEv (vdr) #3 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3234: #0 0x00007fb7cc5ae9f3 futex_wait_cancelable (libpthread.so.0) #1 0x00007fb7b411446d n/a (libcuda.so.1) #2 0x00007fb7b40c3ed4 n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3509: #0 0x00007fb7cabfd839 syscall (libc.so.6) #1 0x00007fb7c7619fca g_cond_wait_until (libglib-2.0.so.0) #2 0x00007fb7c75a74f1 n/a (libglib-2.0.so.0) #3 0x00007fb7c75a7aac g_async_queue_timeout_pop (libglib-2.0.so.0) #4 0x00007fb7c75fc92e n/a (libglib-2.0.so.0) #5 0x00007fb7c75fbe85 n/a (libglib-2.0.so.0) #6 0x00007fb7cc5a86db start_thread (libpthread.so.0) #7 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3533: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7b4111633 n/a (libcuda.so.1) #2 0x00007fb7b417a84d n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3536: #0 0x00007fb7cc5ae9f3 futex_wait_cancelable (libpthread.so.0) #1 0x00007fb7b411446d n/a (libcuda.so.1) #2 0x00007fb7b40c3ed4 n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3569: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7b4111633 n/a (libcuda.so.1) #2 0x00007fb7b417a84d n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3615: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x00007fb7b4114427 n/a (libcuda.so.1) #2 0x00007fb7b40c3ff7 n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3661: #0 0x00007fb7cc5ae9f3 futex_wait_cancelable (libpthread.so.0) #1 0x000056198a92859d _ZN9cCondWait4WaitEi (vdr) #2 0x00007fb7c113debc _ZN9cAnimator6ActionEv (libvdr-skindesigner.so.2.4.0) #3 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3700: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7b4111633 n/a (libcuda.so.1) #2 0x00007fb7b417a84d n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3233: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7b4111633 n/a (libcuda.so.1) #2 0x00007fb7b417a84d n/a (libcuda.so.1) #3 0x00007fb7b41136a8 n/a (libcuda.so.1) #4 0x00007fb7cc5a86db start_thread (libpthread.so.0) #5 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3729: #0 0x00007fb7cabf6bf9 __GI___poll (libc.so.6) #1 0x00007fb7c2ecf451 n/a (libpulse.so.0) #2 0x00007fb7c2ec0e10 pa_mainloop_poll (libpulse.so.0) #3 0x00007fb7c2ec14a0 pa_mainloop_iterate (libpulse.so.0) #4 0x00007fb7c2ec1530 pa_mainloop_run (libpulse.so.0) #5 0x00007fb7c2ecf399 n/a (libpulse.so.0) #6 0x00007fb7c2c712a8 n/a (libpulsecommon-11.1.so) #7 0x00007fb7cc5a86db start_thread (libpthread.so.0) #8 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3735: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x000056198a928657 _ZN9cCondWait4WaitEi (vdr) #2 0x000056198a9286b6 _ZN9cCondWait7SleepMsEi (vdr) #3 0x000056198a880faa _ZN9cTSBuffer6ActionEv (vdr) #4 0x000056198a928f85 _ZN7cThread11StartThreadEPS_ (vdr) #5 0x00007fb7cc5a86db start_thread (libpthread.so.0) #6 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3730: #0 0x00007fb7cc5ae9f3 futex_wait_cancelable (libpthread.so.0) #1 0x00007fb7c2ecfa38 pa_threaded_mainloop_wait (libpulse.so.0) #2 0x00007fb775df2f34 pulse_wait_operation (libasound_module_pcm_pulse.so) #3 0x00007fb775df18ac n/a (libasound_module_pcm_pulse.so) #4 0x00007fb7b74145e2 n/a (libasound.so.2) #5 0x00007fb7b73cec70 snd_pcm_drop (libasound.so.2) #6 0x00007fb7b73d095d snd_pcm_close (libasound.so.2) #7 0x00007fb7b76b5d93 AlsaSetup (libvdr-softhdcuvid.so.2.4.0) #8 0x00007fb7b76b94d2 AudioNextRing (libvdr-softhdcuvid.so.2.4.0) #9 0x00007fb7b76b97c1 AudioPlayHandlerThread (libvdr-softhdcuvid.so.2.4.0) #10 0x00007fb7cc5a86db start_thread (libpthread.so.0) #11 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3744: #0 0x00007fb7cc5aef85 futex_abstimed_wait_cancelable (libpthread.so.0) #1 0x000056198a928657 _ZN9cCondWait4WaitEi (vdr) #2 0x000056198a9286b6 _ZN9cCondWait7SleepMsEi (vdr) #3 0x000056198a928c3e _ZN7cThread6CancelEi (vdr) #4 0x00007fb7b76c18d3 _ZN10cOglThread4StopEv (libvdr-softhdcuvid.so.2.4.0) #5 0x00007fb7b76a4990 _ZN16cSoftOsdProvider16StopOpenGlThreadEv (libvdr-softhdcuvid.so.2.4.0) #6 0x00007fb7b76a4a69 _ZN16cSoftOsdProvider14OsdSizeChangedEv (libvdr-softhdcuvid.so.2.4.0) #7 0x00007fb7b76b31a0 VideoSetVideoMode (libvdr-softhdcuvid.so.2.4.0) #8 0x00007fb7b76b3825 VideoEvent (libvdr-softhdcuvid.so.2.4.0) #9 0x00007fb7b76b3b48 VideoPollEvent (libvdr-softhdcuvid.so.2.4.0) #10 0x00007fb7b76b3d7f VideoDisplayHandlerThread (libvdr-softhdcuvid.so.2.4.0) #11 0x00007fb7cc5a86db start_thread (libpthread.so.0) #12 0x00007fb7cac0388f __clone (libc.so.6) Stack trace of thread 3734: #0 0x00007fb7b5cf44f4 n/a (libavcodec.so.57) GNU gdb (Ubuntu 8.1-0ubuntu3) 8.1.0.20180409-git Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/vdr...Reading symbols from /usr/lib/debug/.build-id/ec/1a8e199dce4f8189f54e51ada24106efb9d324.debug...done. done. [New LWP 3731] [New LWP 3168] [New LWP 3178] [New LWP 3181] [New LWP 3183] [New LWP 3184] [New LWP 3187] [New LWP 3189] [New LWP 3223] [New LWP 3224] [New LWP 3227] [New LWP 3234] [New LWP 3509] [New LWP 3533] [New LWP 3536] [New LWP 3569] [New LWP 3615] [New LWP 3661] [New LWP 3700] [New LWP 3233] [New LWP 3729] [New LWP 3735] [New LWP 3730] [New LWP 3744] [New LWP 3734] [New LWP 3704] [New LWP 3175] [New LWP 3179] [New LWP 3182] [New LWP 3185] [New LWP 3190] [New LWP 3222] [New LWP 3225] [New LWP 3570] [New LWP 3614] [New LWP 3647] [New LWP 3649] [New LWP 3701] [New LWP 3176] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/bin/vdr'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007fb7cbaa8215 in ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6 [Current thread is 1 (Thread 0x7fb765fff700 (LWP 3731))] (gdb) bt #0 0x00007fb7cbaa8215 in () at /usr/lib/x86_64-linux-gnu/libfreetype.so.6 #1 0x00007fb7cbaad506 in FT_Done_Library () at /usr/lib/x86_64-linux-gnu/libfreetype.so.6 #2 0x00007fb7cbaa2fde in FT_Done_FreeType () at /usr/lib/x86_64-linux-gnu/libfreetype.so.6 #3 0x00007fb7b76bd0b8 in cOglFont::Cleanup() () at openglosd.cpp:344 #4 0x00007fb7b76c1d90 in cOglThread::Cleanup() (this=this@entry=0x5619a057e890) at openglosd.cpp:1662 #5 0x00007fb7b76c201a in cOglThread::Action() (this=0x5619a057e890) at openglosd.cpp:1555 #6 0x000056198a928f85 in cThread::StartThread(cThread*) (Thread=0x5619a057e890) at thread.c:293 #7 0x00007fb7cc5a86db in start_thread (arg=0x7fb765fff700) at pthread_create.c:463 #8 0x00007fb7cac0388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 (gdb) bt full #0 0x00007fb7cbaa8215 in () at /usr/lib/x86_64-linux-gnu/libfreetype.so.6 #1 0x00007fb7cbaad506 in FT_Done_Library () at /usr/lib/x86_64-linux-gnu/libfreetype.so.6 #2 0x00007fb7cbaa2fde in FT_Done_FreeType () at /usr/lib/x86_64-linux-gnu/libfreetype.so.6 #3 0x00007fb7b76bd0b8 in cOglFont::Cleanup() () at openglosd.cpp:344 #4 0x00007fb7b76c1d90 in cOglThread::Cleanup() (this=this@entry=0x5619a057e890) at openglosd.cpp:1662 #5 0x00007fb7b76c201a in cOglThread::Action() (this=0x5619a057e890) at openglosd.cpp:1555 this = 0x5619a057e890 #6 0x000056198a928f85 in cThread::StartThread(cThread*) (Thread=0x5619a057e890) at thread.c:293 #7 0x00007fb7cc5a86db in start_thread (arg=0x7fb765fff700) at pthread_create.c:463 pd = 0x7fb765fff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140425667016448, -2554116276464126834, 140425667014464, 0, 94668064286864, 140730460877744, 2585980124001203342, 2585748374809212046}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = #8 0x00007fb7cac0388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95