GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08 Copyright (C) 2011 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. done. (gdb) attach 2428 Attaching to program: /usr/bin/Xorg, process 2428 Reading symbols from /lib/x86_64-linux-gnu/libudev.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libudev.so.0 Reading symbols from /lib/x86_64-linux-gnu/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgcrypt.so.11 Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libdl.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libpciaccess.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpciaccess.so.0 Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Loaded symbols for /lib/x86_64-linux-gnu/libpthread.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpixman-1.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/x86_64-linux-gnu/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXau.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libm.so.6 Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6 Reading symbols from /lib/x86_64-linux-gnu/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgpg-error.so.0 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 /lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libz.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfreetype.so.6 Reading symbols from /lib/libbz2.so.1.0...(no debugging symbols found)...done. Loaded symbols for /lib/libbz2.so.1.0 Reading symbols from /usr/lib/libfontenc.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libgcc_s.so.1 Reading symbols from /usr/lib/xorg/modules/extensions/libextmod.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libextmod.so...done. 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. done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdbe.so Reading symbols from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so Reading symbols from /usr/lib/nvidia-current/tls/libnvidia-tls.so.285.05.09...(no debugging symbols found)...done. Loaded symbols for /usr/lib/nvidia-current/tls/libnvidia-tls.so.285.05.09 Reading symbols from /usr/lib/nvidia-current/libnvidia-glcore.so.285.05.09...(no debugging symbols found)...done. Loaded symbols for /usr/lib/nvidia-current/libnvidia-glcore.so.285.05.09 Reading symbols from /usr/lib/xorg/modules/extensions/librecord.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/librecord.so...done. 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. done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdri.so Reading symbols from /usr/lib/x86_64-linux-gnu/libdrm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/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. done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdri2.so Reading symbols from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so Reading symbols from /usr/lib/xorg/modules/libfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libfb.so...done. done. Loaded symbols for /usr/lib/xorg/modules/libfb.so Reading symbols from /usr/lib/xorg/modules/libwfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libwfb.so...done. done. Loaded symbols for /usr/lib/xorg/modules/libwfb.so Reading symbols from /lib/x86_64-linux-gnu/libnss_files.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_files.so.2 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 Reading symbols from /usr/lib/libutouch-grail.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libutouch-grail.so.1 Reading symbols from /usr/lib/libmtdev.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libmtdev.so.1 Reading symbols from /usr/lib/libutouch-evemu.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libutouch-evemu.so.1 Reading symbols from /usr/lib/libutouch-frame.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libutouch-frame.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libX11.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXi.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXext.so.6 Reading symbols from /lib/x86_64-linux-gnu/libnss_compat.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_compat.so.2 Reading symbols from /lib/x86_64-linux-gnu/libnsl.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnsl.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnss_nis.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnss_nis.so.2 0x00007f0554d748f3 in select () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) continue Continuing. Program received signal SIGSEGV, Segmentation fault. 0x000000000043061a in doListFontsWithInfo (client=0x20b9180, c=0x20b53a0) at ../../dix/dixfonts.c:929 929 ../../dix/dixfonts.c: No such file or directory. in ../../dix/dixfonts.c (gdb) bactrace full Undefined command: "bactrace". Try "help". (gdb) backtrace full #0 0x000000000043061a in doListFontsWithInfo (client=0x20b9180, c=0x20b53a0) at ../../dix/dixfonts.c:929 fpe = 0x20b5600 err = 85 name = 0x0 namelen = 0 numFonts = 0 fontInfo = {firstCol = 0, lastCol = 0, firstRow = 0, lastRow = 0, defaultCh = 300, noOverlap = 0, terminalFont = 0, constantMetrics = 0, constantWidth = 0, inkInside = 0, inkMetrics = 0, allExist = 0, drawDirection = 0, cachable = 0, anamorphic = 0, maxOverlap = 0, pad = 0, maxbounds = { leftSideBearing = 4304, rightSideBearing = 535, characterWidth = 0, ascent = 0, descent = -7707, attributes = 70}, minbounds = {leftSideBearing = 0, rightSideBearing = 0, characterWidth = -22048, ascent = 534, descent = 0, attributes = 0}, ink_maxbounds = {leftSideBearing = 12213, rightSideBearing = 70, characterWidth = 0, ascent = 0, descent = 19920, attributes = 32406}, ink_minbounds = { leftSideBearing = 32767, rightSideBearing = 0, characterWidth = 300, ascent = 0, descent = 32767, attributes = 0}, fontAscent = 0, fontDescent = 0, nprops = 0, props = 0x0, isStringProp = 0x0} pFontInfo = 0x7fff7e964d70 reply = length = pFP = i = aliascount = 0 finalReply = {type = 0 '\000', nameLength = 0 '\000', sequenceNumber = 0, length = 0, minBounds = {leftSideBearing = 0, rightSideBearing = 0, characterWidth = 0, ascent = 0, descent = 0, attributes = 0}, walign1 = 0, maxBounds = {leftSideBearing = 0, rightSideBearing = 0, characterWidth = 0, ascent = 0, descent = 0, attributes = 0}, walign2 = 0, minCharOrByte2 = 0, maxCharOrByte2 = 0, defaultChar = 0, nFontProps = 0, drawDirection = 0 '\000', minByte1 = 0 '\000', maxByte1 = 0 '\000', allCharsExist = 0 '\000', fontAscent = 0, fontDescent = 0, nReplies = 0} #1 0x0000000000433d51 in ProcessWorkQueue () at ../../dix/dixutils.c:527 q = 0x20b56b0 p = 0x7f1798 #2 0x000000000045ded5 in WaitForSomething (pClientsReady=0x20c33a0) at ../../os/WaitFor.c:173 i = waittime = {tv_sec = 0, tv_usec = 0} wt = 0x7fff7e9650b0 timeout = clientsReadable = {fds_bits = {0 }} clientsWritable = {fds_bits = {34312576, 34312576, 4392112, 34296736, 34296776, 4406941, 31268368, 34296736, 31268368, 34312576, 34296776, 4393874, 0, -7565882444738423808, -7277647670473091072, -6989412896207758336}} selecterr = nready = 0 devicesReadable = {fds_bits = {0 }} now = someReady = 0 #3 0x000000000042f912 in Dispatch () at ../../dix/dispatch.c:367 clientReady = 0x20c33a0 result = client = nready = icheck = 0x7f1470 start_tick = #4 0x00000000004232fe in main (argc=8, argv=, envp=) at ../../dix/main.c:287 i = alwaysCheckForInput = {0, 1} (gdb) quit A debugging session is active. Inferior 1 [process 2428] will be detached. Quit anyway? (y or n) Detaching from program: /usr/bin/Xorg, process 2428