(gdb) source .gdbinit
[New Thread 2496]
warning: Can't read pathname for load map: Input/output error.
Core was generated by `/usr/local/bin/Xorg :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-vSYOm3/data'.
Program terminated with signal 6, Aborted.
#0  0xb7754430 in __kernel_vsyscall ()
(gdb) where
#0  0xb7754430 in __kernel_vsyscall ()
#1  0xb733d651 in raise () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7340a82 in abort () from /lib/tls/i686/cmov/libc.so.6
#3  0x080aa3fc in OsAbort () at utils.c:1260
#4  0x080aee8d in ddxGiveUp () at xf86Init.c:940
#5  0x080aef38 in AbortDDX () at xf86Init.c:986
#6  0x080a7d5d in AbortServer () at log.c:424
#7  0x080a84ae in FatalError (
    f=0x81cb0cc "Caught signal %d (%s). Server aborting\n") at log.c:552
#8  0x0809d6e1 in OsSigHandler (signo=4, sip=0xbfa9b67c, unused=0xbfa9b6fc)
    at osinit.c:156
#9  <signal handler called>
#10 0xb7754430 in __kernel_vsyscall ()
#11 0xb733d926 in kill () from /lib/tls/i686/cmov/libc.so.6
#12 0xb774fc54 in EF_Abort () from /usr/lib/libefence.so
#13 0xb774f0a2 in free () from /usr/lib/libefence.so
#14 0xa3c41b0d in _mesa_align_free (ptr=0x82204a0) at main/imports.c:179
#15 0xa3d672fb in _mesa_vector4f_free (v=0x905abbd8) at math/m_vector.c:122
#16 0xa3c8d0c3 in dtr (stage=0x905a91d8) at tnl/t_vb_program.c:536
#17 0xa3c8a8bc in _tnl_destroy_pipeline (ctx=0x918d4374) at tnl/t_pipeline.c:66
#18 0xa3bbdf89 in r600CreateContext (glVisual=0xa3ee2f30, 
    driContextPriv=0x918bffdc, sharedContextPrivate=0x0) at r600_context.c:420
#19 0xa3bb53d2 in driCreateNewContext (psp=0xa3ed4f1c, config=0xa3ee2f30, 
    render_type=0, shared=0x0, hwContext=3, data=0x918c3fa4)
    at ../common/dri_util.c:606
#20 0xb6bb0a5c in __glXDRIscreenCreateContext (baseScreen=0xa3ebcf44, 
    glxConfig=0xa3eeaf34, baseShareContext=0x0) at glxdri.c:667
#21 0xb6ba431f in DoCreateContext (cl=<value optimized out>, gcId=33554439, 
    shareList=0, config=0xa3eeaf34, pGlxScreen=0xa3ebcf44, isDirect=0 '\000')
    at glxcmds.c:277
#22 0xb6ba45e9 in __glXDisp_CreateContext (cl=0x8f709fc4, 
    pc=0x8e176cb8 "\231\003\006") at glxcmds.c:328
#23 0xb6ba6772 in __glXDispatch (client=0x8f709efc) at glxext.c:600
#24 0x08071f17 in Dispatch () at dispatch.c:432
#25 0x08066275 in main (argc=8, argv=0xbfa9c134, envp=0xbfa9c158) at main.c:291
(gdb) ^Z