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Reading symbols from /usr/bin/X...Reading symbols from /usr/lib/debug/usr/bin/X...done.
done.
(gdb) r
Starting program: /usr/bin/X 
process 15482 is executing new program: /usr/bin/Xorg
[Thread debugging using libthread_db enabled]

X.Org X Server 1.9.99.902 (1.10.0 RC 2)
Release Date: 2011-2-18
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-27-server i686 Ubuntu
Current Operating System: Linux ix 2.6.38-5-generic #32-Ubuntu SMP Tue Feb 22 16:09:46 UTC 2011 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic root=UUID=03e1779a-d90a-4b59-8b03-2d1198aeb7cc ro quiet splash vt.handoff=7
Build Date: 23 February 2011  12:47:01PM
xorg-server 2:1.9.99.902-2ubuntu1 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.20.2
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sat Feb 26 00:27:54 2011
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
[tcsetpgrp failed in terminal_inferior: Operation not permitted]
(EE) Microsoft Microsoft® 2.4GHz Transceiver v7.0: failed to initialize for relative axes.

Program received signal SIGSEGV, Segmentation fault.
__memcpy_ssse3 () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3.S:160
160	../sysdeps/i386/i686/multiarch/memcpy-ssse3.S: No such file or directory.
	in ../sysdeps/i386/i686/multiarch/memcpy-ssse3.S
(gdb) bt
#0  __memcpy_ssse3 () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3.S:160
#1  0x0813fa9e in XIChangeDeviceProperty (dev=0x871a4d8, property=255, type=4, format=32, 
    mode=<value optimized out>, len=20, value=0x11b, sendevent=0) at /usr/include/bits/string3.h:52
#2  0x009d56f1 in EvdevInitProperty (dev=0x871a4d8) at ../../src/evdev.c:2507
#3  0x009d59c3 in EvdevInit (device=0x871a4d8, what=0) at ../../src/evdev.c:1541
#4  EvdevProc (device=0x871a4d8, what=0) at ../../src/evdev.c:1594
#5  0x08064690 in ActivateDevice (dev=0x871a4d8, sendevent=1 '\001') at ../../dix/devices.c:534
#6  0x080c3770 in xf86NewInputDevice (pInfo=0x86b12d8, pdev=0xbf8f6474, enable=1 '\001')
    at ../../../../hw/xfree86/common/xf86Xinput.c:810
#7  0x080cc499 in device_added (udev_device=<value optimized out>) at ../../config/udev.c:194
#8  0x080cccbe in config_udev_init () at ../../config/udev.c:295
#9  0x080cbe17 in config_init () at ../../config/config.c:39
#10 0x080b5d1d in InitInput (argc=1, argv=0xbf8f6644)
    at ../../../../hw/xfree86/common/xf86Init.c:823
#11 0x080628e6 in main (argc=1, argv=0xbf8f6644, envp=0xbf8f664c) at ../../dix/main.c:259
(gdb) bt f
#0  __memcpy_ssse3 () at ../sysdeps/i386/i686/multiarch/memcpy-ssse3.S:160
No locals.
#1  0x0813fa9e in XIChangeDeviceProperty (dev=0x871a4d8, property=255, type=4, format=32, 
    mode=<value optimized out>, len=20, value=0x11b, sendevent=0) at /usr/include/bits/string3.h:52
        new_data = 0x875e558
        old_data = 0x0
        prop = <value optimized out>
        size_in_bytes = 4
        total_size = <value optimized out>
        total_len = <value optimized out>
        prop_value = <value optimized out>
        new_value = {type = 4, format = 32, size = 20, data = 0x875e558}
        add = <value optimized out>
        rc = <value optimized out>
#2  0x009d56f1 in EvdevInitProperty (dev=0x871a4d8) at ../../src/evdev.c:2507
        atoms = <value optimized out>
        pInfo = <value optimized out>
        pEvdev = 0x86b1598
        rc = <value optimized out>
        invert = "\000"
#3  0x009d59c3 in EvdevInit (device=0x871a4d8, what=0) at ../../src/evdev.c:1541
        i = <value optimized out>
#4  EvdevProc (device=0x871a4d8, what=0) at ../../src/evdev.c:1594
        pInfo = <value optimized out>
        pEvdev = 0x86b1598
        i = <value optimized out>
#5  0x08064690 in ActivateDevice (dev=0x871a4d8, sendevent=1 '\001') at ../../dix/devices.c:534
        ret = 0
        pScreen = 0x83c8800
#6  0x080c3770 in xf86NewInputDevice (pInfo=0x86b12d8, pdev=0xbf8f6474, enable=1 '\001')
    at ../../../../hw/xfree86/common/xf86Xinput.c:810
        drv = 0x865c9b8
        dev = <value optimized out>
        rval = 0
#7  0x080cc499 in device_added (udev_device=<value optimized out>) at ../../config/udev.c:194
        path = 0x83d13e8 "/dev/input/event6"
        name = 0x869c580 "Microsoft Microsoft® 2.4GHz Transceiver v7.0"
        config_info = 0x86890c0 "udev:/sys/devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.2/input/input16/event6"
        syspath = 0x81eadf3 "xkb"
        tags_prop = <value optimized out>
        key = <value optimized out>
        value = <value optimized out>
        tmp = <value optimized out>
        options = 0x8689270
        tmpo = <value optimized out>
        attrs = {product = 0x869c5d0 "Microsoft Microsoft® 2.4GHz Transceiver v7.0", 
          vendor = 0x8689118 "Microsoft", device = 0x86890a8 "/dev/input/event6", pnp_id = 0x0, 
          usb_id = 0x869c638 "045e:0745", tags = 0x0, flags = 1}
        dev = 0x0
        set = <value optimized out>
        entry = <value optimized out>
        parent = <value optimized out>
#8  0x080cccbe in config_udev_init () at ../../config/udev.c:295
        syspath = <value optimized out>
        udev_device = 0x865b1e8
        udev = 0x86528e8
        enumerate = 0x8652a00
        devices = <value optimized out>
        device = 0x8655468
#9  0x080cbe17 in config_init () at ../../config/config.c:39
No locals.
#10 0x080b5d1d in InitInput (argc=1, argv=0xbf8f6644)
    at ../../../../hw/xfree86/common/xf86Init.c:823
        pDev = 0x828f7d0
        dev = 0x820dbac
#11 0x080628e6 in main (argc=1, argv=0xbf8f6644, envp=0xbf8f664c) at ../../dix/main.c:259
        i = <value optimized out>
        alwaysCheckForInput = {0, 1}
(gdb) q
A debugging session is active.

	Inferior 1 [process 15482] will be killed.

Quit anyway? (y or n)