root      8486  1.3  1.6 169836 16848 ?      S    03:11   0:00 X
!tsurukikun! after # gdb
GNU gdb 6.0
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This GDB was configured as "x86_64-pc-linux-gnu".
(gdb) attach 8486
Attaching to process 8486
Reading symbols from /usr/X11R6/bin/Xorg...done.
Using host libthread_db library "/lib/libthread_db.so.1".
Reading symbols from /lib/libz.so.1...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libpam.so.0...done.
Loaded symbols for /lib/libpam.so.0
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libpam_misc.so.0...done.
Loaded symbols for /lib/libpam_misc.so.0
Reading symbols from /usr/X11R6/lib/libXau.so.6...done.
Loaded symbols for /usr/X11R6/lib/libXau.so.6
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /usr/X11R6/lib/modules/fonts/libfreetype.so...done.
Loaded symbols for /usr/X11R6/lib/modules/fonts/libfreetype.so
Reading symbols from /usr/lib/libfreetype.so.6...done.
Loaded symbols for /usr/lib/libfreetype.so.6
0x0000002a95d2f425 in select () from /lib/libc.so.6
(gdb) bt
#0  0x0000002a95d2f425 in select () from /lib/libc.so.6
#1  0x000000000049fb4b in WaitForSomething ()
#2  0x000000000048213b in Dispatch ()
#3  0x000000000048e7a5 in main ()
(gdb) kill
Kill the program being debugged? (y or n) y
***zombie***