sam@sam-desktop:~$ sudo gdb Xorg 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) break RADEONMapMMIO Function "RADEONMapMMIO" not defined. Make breakpoint pending on future shared library load? (y or [n]) y Breakpoint 1 (RADEONMapMMIO) pending. (gdb) run Starting program: /usr/bin/Xorg [Thread debugging using libthread_db enabled] This is a pre-release version of the X server from The X.Org Foundation. It is not supported in any way. Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/. Select the "xorg" product for bugs you find in this release. Before reporting bugs in pre-release versions please check the latest version in the X.Org Foundation git repository. See http://wiki.x.org/wiki/GitPage for git access instructions. X.Org X Server 1.4.99.906 (1.5.0 RC 6) Release Date: X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-15-server x86_64 Ubuntu Current Operating System: Linux sam-desktop 2.6.26-5-generic #1 SMP Sun Aug 3 01:26:00 UTC 2008 x86_64 Build Date: 06 August 2008 11:28:30AM xorg-server 2:1.4.99.906-1ubuntu3 (buildd@crested.buildd) Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Module Loader present 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 Aug 9 15:01:34 2008 (==) Using config file: "/etc/X11/xorg.conf" [New Thread 0x7f0f1dac96e0 (LWP 6119)] [tcsetpgrp failed in terminal_inferior: Operation not permitted] [Switching to Thread 0x7f0f1dac96e0 (LWP 6119)] Breakpoint 1, RADEONMapMMIO (pScrn=0x18e4580) at ../../src/radeon_driver.c:358 358 ../../src/radeon_driver.c: No such file or directory. in ../../src/radeon_driver.c (gdb) (gdb) next Program received signal SIGUSR1, User defined signal 1. RADEONMapMMIO (pScrn=0x18e4580) at ../../src/radeon_driver.c:358 358 in ../../src/radeon_driver.c (gdb) next xf86VTRequest (sig=10) at ../../../../../hw/xfree86/os-support/linux/../shared/VTsw_usl.c:49 49 ../../../../../hw/xfree86/os-support/linux/../shared/VTsw_usl.c: No such file or directory. in ../../../../../hw/xfree86/os-support/linux/../shared/VTsw_usl.c (gdb) next 50 in ../../../../../hw/xfree86/os-support/linux/../shared/VTsw_usl.c (gdb) next 51 in ../../../../../hw/xfree86/os-support/linux/../shared/VTsw_usl.c (gdb) next 53 in ../../../../../hw/xfree86/os-support/linux/../shared/VTsw_usl.c (gdb) next Breakpoint 1, RADEONMapMMIO (pScrn=0x18e4580) at ../../src/radeon_driver.c:358 358 ../../src/radeon_driver.c: No such file or directory. in ../../src/radeon_driver.c (gdb) next 359 in ../../src/radeon_driver.c (gdb) 360 in ../../src/radeon_driver.c (gdb) next 362 in ../../src/radeon_driver.c (gdb) next 383 in ../../src/radeon_driver.c (gdb) next Read from remote host 192.168.1.108: Connection reset by peer