GNU gdb (GDB) 7.0-ubuntu Copyright (C) 2009 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". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/Xorg...Reading symbols from /usr/lib/debug/usr/bin/Xorg...done. (no debugging symbols found)...done. (gdb) attach 19784 Attaching to program: /usr/bin/Xorg, process 19784 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 /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 /lib/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Loaded symbols for /lib/libpthread.so.0 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /lib/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /lib/libgcrypt.so.11 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/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libz.so.1 Reading symbols from /lib64/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 /lib/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libgpg-error.so.0 Reading symbols from /usr/lib/xorg/modules/extensions//libextmod.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libextmod.so...done. (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...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdbe.so...done. (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...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libglx.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//libglx.so Reading symbols from /usr/lib/xorg/modules/extensions//librecord.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/librecord.so...done. (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...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri.so...done. (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/extensions//libdri2.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri2.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions//libdri2.so Reading symbols from /usr/lib/xorg/modules/drivers//intel_drv.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/drivers/intel_drv.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers//intel_drv.so Reading symbols from /usr/lib/libdrm_intel.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm_intel.so.1 Reading symbols from /usr/lib/xorg/modules/drivers//vesa_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers//vesa_drv.so Reading symbols from /usr/lib/xorg/modules/drivers//fbdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers//fbdev_drv.so Reading symbols from /usr/lib/xorg/modules/linux//libfbdevhw.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/linux/libfbdevhw.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/linux//libfbdevhw.so Reading symbols from /usr/lib/xorg/modules//libfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libfb.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules//libfb.so Reading symbols from /usr/lib/dri/i915_dri.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/dri/i915_dri.so Reading symbols from /lib/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /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 0x00007f3824c8f3c3 in select () from /lib/libc.so.6 (gdb) cont Continuing. Program received signal SIGSEGV, Segmentation fault. 0x0000000000434a9a in privateExists (privates=0xe8, key=0x7dc540) at ../../dix/privates.c:79 79 ../../dix/privates.c: No such file or directory. in ../../dix/privates.c (gdb) backtrace full #0 0x0000000000434a9a in privateExists (privates=0xe8, key=0x7dc540) at ../../dix/privates.c:79 No locals. #1 dixLookupPrivate (privates=0xe8, key=0x7dc540) at ../../dix/privates.c:162 ptr = #2 0x000000000051a777 in SecurityResource (pcbl=, unused=, calldata=) at ../../Xext/security.c:814 rec = 0x7fffedc40b40 subj = 0x1689e00 cid = 12 requested = 17 allowed = #3 0x00000000004526ac in _CallCallbacks (pcbl=0x7dc4b0, call_data=0x7fffedc40b40) at ../../dix/dixutils.c:742 cbr = 0x1480140 pcbr = #4 CallCallbacks (pcbl=0x7dc4b0, call_data=0x7fffedc40b40) at ../../dix/dixutils.c:876 No locals. #5 0x0000000000518a5d in XaceHook (hook=) at ../../Xext/xace.c:217 calldata = prv = 0x7fffedc40b74 ap = {{gp_offset = 48, fp_offset = 0, overflow_arg_area = 0x7fffedc40bf0, reg_save_area = 0x7fffedc40ba0}} #6 0x0000000000505ecb in ProcXFixesGetCursorImageAndName (client=0x168c010) at ../../xfixes/cursor.c:519 rep = pCursor = 0x16e6ca0 image = 0x93 npixels = name = 0x519228 "1\300\203|$\024" rc = x = y = #7 0x000000000044e174 in Dispatch () at ../../dix/dispatch.c:456 result = client = 0x168c010 nready = 0 start_tick = 0 #8 0x0000000000434085 in main (argc=, argv=0x7fffedc40e48, envp=) at ../../dix/main.c:397 i = 1 alwaysCheckForInput = {0, 1} (gdb)