gdb /usr/lib/libdrm_amdgpu.so.1.0.0 GNU gdb (GDB) 7.8.1 Copyright (C) 2014 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-unknown-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/lib/libdrm_amdgpu.so.1.0.0...done. (gdb) core-file core-firefox-flash-trace warning: core file may not match specified executable file. [New LWP 1605] [New LWP 1606] [New LWP 1614] [New LWP 1615] [New LWP 1617] [New LWP 1616] warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". warning: File "/mnt/sdb1/firefox/mozilla-release/firefox-build-dir/toolkit/library/libxul.so-gdb.py" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load". To enable execution of this file add add-auto-load-safe-path /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/toolkit/library/libxul.so-gdb.py line to your configuration file "/home/andy/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/home/andy/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" Core was generated by `/mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/plugin-container /'. Program terminated with signal SIGSEGV, Segmentation fault. #0 list_del (item=0x5a5a5a5a5a5a5a5a) at ../util_double_list.h:79 79 item->prev->next = item->next; (gdb) bt #0 list_del (item=0x5a5a5a5a5a5a5a5a) at ../util_double_list.h:79 #1 amdgpu_vamgr_deinit (mgr=0x7fc16c70a4c0 ) at amdgpu_vamgr.c:47 #2 amdgpu_vamgr_reference (dst=0x7fc17194eaa0, src=0x0) at amdgpu_vamgr.c:67 #3 0x00007fc16c506d82 in amdgpu_device_free_internal (dev=0x7fc17194e800) at amdgpu_device.c:228 #4 0x00007fc16c506e09 in amdgpu_device_reference (dst=dst@entry=0x7ffef57bad68, src=src@entry=0x0) at amdgpu_device.c:246 #5 0x00007fc16c507125 in amdgpu_device_deinitialize (dev=0x7fc17194e800) at amdgpu_device.c:238 #6 0x00007fc16d04ea1f in amdgpu_winsys_destroy (rws=0x7fc171988000) at amdgpu_winsys.c:296 #7 0x00007fc16d052f5f in r600_destroy_common_screen (rscreen=0x7fc17194ec00) at r600_pipe_common.c:963 #8 0x00007fc16cf697a1 in vl_screen_destroy (vscreen=0x7fc1729fad00) at vl/vl_winsys_dri.c:431 #9 0x00007fc16cf63776 in vlVdpDeviceFree (dev=dev@entry=0x7fc1719ac140) at device.c:230 #10 0x00007fc16cf63874 in DeviceReference (dev=0x0, ptr=) at vdpau_private.h:553 #11 vlVdpDeviceDestroy (device=1) at device.c:215 #12 0x00007fc169e2a226 in _vdp_cap_device_destroy (device=1) at vdpau_trace.cpp:1679 #13 0x00007fc1709a8a48 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #14 0x00007fc170607475 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #15 0x00007fc170608660 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #16 0x00007fc170b9a798 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #17 0x00007fc170ba0f4d in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #18 0x00007fc170ba2a3b in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #19 0x00007fc170ba2d5a in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #20 0x00007fc1708029c1 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #21 0x00007fc1709694a1 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #22 0x00007fc170969825 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #23 0x00007fc17096866d in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #24 0x00007fc170971212 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so #25 0x00007fc17f9a496c in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #26 0x00007fc17f9a4bea in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #27 0x00007fc17ed6afca in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #28 0x00007fc17ed6bb0b in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #29 0x00007fc17ecc5d7b in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #30 0x00007fc17ecc5eb9 in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #31 0x00007fc17ecc7daa in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #32 0x00007fc17eca5a3f in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #33 0x00007fc17eca75bb in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #34 0x00007fc17eca837b in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #35 0x00007fc17eca18c3 in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #36 0x00007fc17eca18f6 in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #37 0x00007fc17558570d in g_main_dispatch (context=0x7fc17295c450) at gmain.c:3122 #38 g_main_context_dispatch (context=context@entry=0x7fc17295c450) at gmain.c:3737 #39 0x00007fc1755859b8 in g_main_context_iterate (context=context@entry=0x7fc17295c450, block=block@entry=1, dispatch=dispatch@entry=1, self=) at gmain.c:3808 #40 0x00007fc175585a5c in g_main_context_iteration (context=0x7fc17295c450, may_block=1) at gmain.c:3869 #41 0x00007fc17eca1483 in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #42 0x00007fc17eca5a9f in ?? () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #43 0x00007fc18003be09 in XRE_InitChildProcess () from /mnt/sdb1/firefox/mozilla-release/firefox-build-dir/dist/bin/libxul.so #44 0x0000000000407424 in ?? () #45 0x0000000000802009 in ?? () #46 0x0000000000000000 in ?? () (gdb) quit