GNU gdb 6.8-debian Copyright (C) 2008 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". (gdb) shhandle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) attach 15861 Attaching to process 15861 Reading symbols from /usr/bin/Xorg...(no debugging symbols found)...done. Reading symbols from /usr/lib/libpciaccess.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpciaccess.so.0 Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] [New Thread 0x7fd60e9626e0 (LWP 15861)] Loaded symbols for /lib/libpthread.so.0 Reading symbols from /usr/lib/libXfont.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfont.so.1 Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libfontenc.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /usr/lib/libpixman-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpixman-1.so.0 Reading symbols from /usr/lib/libhal.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libhal.so.1 Reading symbols from /lib/libdbus-1.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/libdbus-1.so.3 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /usr/lib/libcrypto.so.0.9.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libcrypto.so.0.9.8 Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/librt.so.1 Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /usr/lib/xorg/modules/extensions/libextmod.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//libextmod.so Reading symbols from /usr/lib/xorg/modules/extensions/libdbe.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//libdbe.so Reading symbols from /usr/lib/xorg/modules/extensions/libglx.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//libglx.so Reading symbols from /usr/lib/xorg/modules/fonts/libfreetype.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules//fonts/libfreetype.so Reading symbols from /usr/lib/xorg/modules/extensions/librecord.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//librecord.so Reading symbols from /usr/lib/xorg/modules/extensions/libdri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//libdri.so Reading symbols from /usr/lib/libdrm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm.so.2 Reading symbols from /usr/lib/xorg/modules/drivers/nouveau_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers//nouveau_drv.so Reading symbols from /usr/lib/xorg/modules/input/kbd_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input//kbd_drv.so Reading symbols from /usr/lib/xorg/modules/input/mouse_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input//mouse_drv.so Reading symbols from /usr/lib/xorg/modules/libint10.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules//libint10.so Reading symbols from /usr/lib/xorg/modules/libvgahw.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules//libvgahw.so Reading symbols from /usr/lib/xorg/modules/libfb.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules//libfb.so Reading symbols from /usr/lib/xorg/modules/libexa.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules//libexa.so Reading symbols from /usr/lib/dri/swrast_dri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/dri/swrast_dri.so Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input//evdev_drv.so (no debugging symbols found) 0x00007fd60b13b2f2 in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so (gdb) baccktrace  full #0 0x00007fd60b13b2f2 in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so #1 0x00007fd60b13ed9d in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so #2 0x000000000049484e in ?? () #3 0x00007fd60c032965 in ?? () from /usr/lib/xorg/modules/extensions//libextmod.so #4 0x000000000044d7b4 in Dispatch () #5 0x00000000004337ad in main () (gdb) backtrace full #0 0x00007fd60b13b2f2 in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so No symbol table info available. #1 0x00007fd60b13ed9d in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so No symbol table info available. #2 0x000000000049484e in ?? () No symbol table info available. #3 0x00007fd60c032965 in ?? () from /usr/lib/xorg/modules/extensions//libextmod.so No symbol table info available. #4 0x000000000044d7b4 in Dispatch () No symbol table info available. #5 0x00000000004337ad in main () No symbol table info available. (gdb) info registers rax 0x1000000 16777216 rbx 0x7fd60049302c 140557104525356 rcx 0x0 0 rdx 0x82 130 rsi 0x7fff1698acf0 140733572492528 rdi 0x1 1 rbp 0x0 0x0 rsp 0x7fff1698ad20 0x7fff1698ad20 r8 0x7fff1698af30 140733572493104 r9 0x7fff1698b020 140733572493344 r10 0x3fca8 261288 r11 0x3246 12870 r12 0x0 0 r13 0xf92f0c2 261288130 r14 0x38600 230912 r15 0x96 150 rip 0x7fd60b13b2f2 0x7fd60b13b2f2 eflags 0x3246 [ PF ZF IF #12 #13 ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 fctrl 0x37f 895 fstat 0x0 0 ftag 0xffff 65535 fiseg 0x0 0 fioff 0x0 0 foseg 0x0 0 fooff 0x0 0 fop 0x0 0 mxcsr 0x1fa0 [ PE IM DM ZM OM UM PM ] (gdb) thread apply all backtrace Thread 1 (Thread 0x7fd60e9626e0 (LWP 15861)): #0 0x00007fd60b13b2f2 in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so #1 0x00007fd60b13ed9d in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so #2 0x000000000049484e in ?? () #3 0x00007fd60c032965 in ?? () from /usr/lib/xorg/modules/extensions//libextmod.so #4 0x000000000044d7b4 in Dispatch () #5 0x00000000004337ad in main () #0 0x00007fd60b13b2f2 in ?? () from /usr/lib/xorg/modules/drivers//nouveau_drv.so (gdb) quit The program is running. Quit anyway (and detach it)? (y or n) Detaching from program: /usr/bin/Xorg, process 15861