Linux valette-desktop 2.6.22-12-generic #1 SMP Sun Sep 23 18:11:30 GMT 2007 i686

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the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.
Last login: Tue Sep 25 18:57:28 2007 from dhcp-2.creatis.insa-lyon.fr
valette@valette-desktop:~$ pgrep Xorg
18415
valette@valette-desktop:~$ sudo gdb /usr/bin/Xorg
[sudo] password for valette:
GNU gdb 6.6-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...
(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) attach 18415
Attaching to program: /usr/bin/Xorg, process 18415
Reading symbols from /lib/tls/i686/cmov/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/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/libXdmcp.so.6...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /lib/tls/i686/cmov/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libm.so.6
Reading symbols from /lib/libgcc_s.so.1...
(no debugging symbols found)...done.
Loaded symbols for /lib/libgcc_s.so.1
Reading symbols from /lib/tls/i686/cmov/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/tls/i686/cmov/libc.so.6
Reading symbols from /lib/ld-linux.so.2...
(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.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/libpcidata.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules//libpcidata.so
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/ati_drv.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/drivers/ati_drv.so...done.
done.
Loaded symbols for /usr/lib/xorg/modules/drivers//ati_drv.so
Reading symbols from /usr/lib/xorg/modules/input/kbd_drv.so...done.
Loaded symbols for /usr/lib/xorg/modules/input//kbd_drv.so
Reading symbols from /usr/lib/xorg/modules/input/mouse_drv.so...done.
Loaded symbols for /usr/lib/xorg/modules/input//mouse_drv.so
Reading symbols from /usr/lib/xorg/modules/drivers/radeon_drv.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/drivers/radeon_drv.so...done.
done.
Loaded symbols for /usr/lib/xorg/modules/drivers//radeon_drv.so
Reading symbols from /usr/lib/xorg/modules/libvgahw.so...done.
Loaded symbols for /usr/lib/xorg/modules//libvgahw.so
Reading symbols from /usr/lib/xorg/modules/libint10.so...done.
Loaded symbols for /usr/lib/xorg/modules//libint10.so
Reading symbols from /usr/lib/xorg/modules/libfb.so...done.
Loaded symbols for /usr/lib/xorg/modules//libfb.so
Reading symbols from /usr/lib/xorg/modules/libxaa.so...done.
Loaded symbols for /usr/lib/xorg/modules//libxaa.so
Reading symbols from /usr/lib/xorg/modules/multimedia/theatre_detect_drv.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/multimedia/theatre_detect_drv.so...done.
done.
Loaded symbols for /usr/lib/xorg/modules/multimedia//theatre_detect_drv.so
Reading symbols from /usr/lib/dri/r300_dri.so...done.
Loaded symbols for /usr/lib/dri/r300_dri.so
Reading symbols from /lib/tls/i686/cmov/libpthread.so.0...done.
[Thread debugging using libthread_db enabled]
[New Thread -1211042128 (LWP 18415)]
Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0
Reading symbols from /usr/lib/libexpat.so.1...done.
Loaded symbols for /usr/lib/libexpat.so.1
0xffffe410 in __kernel_vsyscall ()
(gdb) cont
Continuing.

Program received signal SIGINT, Interrupt.
[Switching to Thread -1211042128 (LWP 18415)]
0xffffe410 in __kernel_vsyscall ()
(gdb) backtrace full
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7e61919 in ioctl () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7c20b42 in drmCommandNone () from /usr/lib/libdrm.so.2
No symbol table info available.
#3  0xb7be17b8 in RADEONWaitForIdleCP (pScrn=0x8215f90)
    at ../../src/radeon_commonfuncs.c:137
        _ret = <value optimized out>
        ret = -16
        info = (RADEONInfoPtr) 0x8216538
        RADEONMMIO = (
    unsigned char *) 0xfffffff0 <Address 0xfffffff0 out of bounds>
        i = 1185
        __FUNCTION__ = "RADEONWaitForIdleCP"
#4  0xb7be3792 in radeon_crtc_hide_cursor (crtc=0x822a178)
    at ../../src/radeon.h:1238
        pScrn = (ScrnInfoPtr) 0x8215f90
        crtc_id = 0
        info = (RADEONInfoPtr) 0x8216538
        RADEONMMIO = (
    unsigned char *) 0xb7bbb000 <Address 0xb7bbb000 out of bounds>
#5  0x080fb7cf in ?? ()
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#6  0x0822a178 in ?? ()
No symbol table info available.
#7  0x00000000 in ?? ()
No symbol table info available.
(gdb)