GNU gdb (GDB) 7.1-debian
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/debug/usr/bin/Xorg...done.
Attaching to program: /usr/lib/debug/usr/bin/Xorg, process 20098
Reading symbols from /lib/libudev.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libudev.so.0
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...Reading symbols from /usr/lib/debug/lib/libdl-2.11.2.so...done.
done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libpthread.so.0...Reading symbols from /usr/lib/debug/lib/libpthread-2.11.2.so...done.
[Thread debugging using libthread_db enabled]
done.
Loaded symbols for /lib/libpthread.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/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXau.so.6
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/libXdmcp.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /usr/lib/libgcrypt.so.11...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgcrypt.so.11
Reading symbols from /lib/libaudit.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libaudit.so.0
Reading symbols from /lib/libm.so.6...Reading symbols from /usr/lib/debug/lib/libm-2.11.2.so...done.
done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/librt.so.1...Reading symbols from /usr/lib/debug/lib/librt-2.11.2.so...done.
done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...Reading symbols from /usr/lib/debug/lib/libc-2.11.2.so...done.
done.
Loaded symbols for /lib/libc.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 /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/lib/ld-2.11.2.so...done.
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/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 /usr/lib/libgpg-error.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgpg-error.so.0
Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/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 /lib/libselinux.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libselinux.so.1
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/xorg/modules/extensions/libglx.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libglx.so...done.
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.
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/libdrm.so.2...Reading symbols from /usr/lib/debug/usr/lib/libdrm.so.2.4.0...done.
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.
done.
Loaded symbols for /usr/lib/xorg/modules/extensions/libdri2.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/libdrm_radeon.so.1...Reading symbols from /usr/lib/debug/usr/lib/libdrm_radeon.so.1.0.0...done.
done.
Loaded symbols for /usr/lib/libdrm_radeon.so.1
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/libexa.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libexa.so...done.
done.
Loaded symbols for /usr/lib/xorg/modules/libexa.so
Reading symbols from /usr/lib/dri/r600_dri.so...Reading symbols from /usr/lib/debug/usr/lib/dri/r600_dri.so...done.
done.
Loaded symbols for /usr/lib/dri/r600_dri.so
Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/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
0x00007f20f422b893 in __select_nocancel ()
    at ../sysdeps/unix/syscall-template.S:82
	in ../sysdeps/unix/syscall-template.S
(gdb) 
(gdb) continue
Continuing.

Program received signal SIGSEGV, Segmentation fault.
radeon_dri2_create_buffer (
    drawable=<value optimized out>, attachment=0, 
    format=<value optimized out>)
    at ../../src/radeon_dri2.c:211
	in ../../src/radeon_dri2.c
(gdb) 
Continuing.

Program received signal SIGABRT, Aborted.
0x00007f20f4195175 in *__GI_raise (
    sig=<value optimized out>)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
	in ../nptl/sysdeps/unix/sysv/linux/raise.c
(gdb) 
Continuing.

Program terminated with signal SIGABRT, Aborted.
The program no longer exists.
(gdb) q