Is this a emacs bug?

[scl <scl.sang@gmail.com>]

when i start emacs, get this message "Fatal error (11)Segmentation
fault". i use emacs cvs trunk

run emacs in gdb, with no argument and "b exit"

*** info [lib/liblow.c(458)]:
                             Warning: closing connection

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 182895367872 (LWP 21868)]
0x00000000005923f4 in add_gpm_wait_descriptor (desc=-1) at
/home/scl/emacs/emacs/src/process.c:6999
6999      FD_SET (desc, &input_wait_mask);
(gdb) bt
#0  0x00000000005923f4 in add_gpm_wait_descriptor (desc=-1)
    at /home/scl/emacs/emacs/src/process.c:6999
#1  0x00000000004b1e96 in Fterm_open_connection () at
/home/scl/emacs/emacs/src/term.c:3010
#2  0x000000000055bd70 in Ffuncall (nargs=-1073748552, args=0x6e36c0)
    at /home/scl/emacs/emacs/src/eval.c:2994
#3  0x000000000058721c in Fbyte_code (bytestr=4294967295,
vector=10359905, maxdepth=548682065328)
    at /home/scl/emacs/emacs/src/bytecode.c:679
#4  0x000000000055b584 in funcall_lambda (fun=14236596, nargs=1,
arg_vector=0x7fbfffe6d0)
    at /home/scl/emacs/emacs/src/eval.c:3184
#5  0x000000000055b86a in apply_lambda (fun=14236596, args=8, eval_flag=1)
    at /home/scl/emacs/emacs/src/eval.c:3108
#6  0x000000000055ae64 in Feval (form=14236592) at
/home/scl/emacs/emacs/src/eval.c:2388
#7  0x000000000055d72b in internal_lisp_condition_case (var=9595281,
bodyform=14927109,
    handlers=14927029) at /home/scl/emacs/emacs/src/eval.c:1426
#8  0x000000000055d7c5 in Fcondition_case (args=14927125) at
/home/scl/emacs/emacs/src/eval.c:1367
#9  0x000000000055b24f in Feval (form=9141400) at
/home/scl/emacs/emacs/src/eval.c:2275
#10 0x000000000055b45f in Fprogn (args=4294967295) at
/home/scl/emacs/emacs/src/eval.c:447
#11 0x000000000055b70a in funcall_lambda (fun=14926544, nargs=0,
arg_vector=0x7fbfffecb8)
    at /home/scl/emacs/emacs/src/eval.c:3177
#12 0x000000000055bb3e in Ffuncall (nargs=14600401, args=0xe3c2d5)
    at /home/scl/emacs/emacs/src/eval.c:3054
#13 0x000000000058721c in Fbyte_code (bytestr=4294967295,
vector=13723409, maxdepth=548682067120)
    at /home/scl/emacs/emacs/src/bytecode.c:679
#14 0x000000000055b584 in funcall_lambda (fun=8352284, nargs=0,
arg_vector=0x7fbfffee78)
    at /home/scl/emacs/emacs/src/eval.c:3184
#15 0x000000000055bb3e in Ffuncall (nargs=14089281, args=0x7f721c)
    at /home/scl/emacs/emacs/src/eval.c:3054
#16 0x000000000058721c in Fbyte_code (bytestr=4294967295,
vector=9751073, maxdepth=548682067568)
    at /home/scl/emacs/emacs/src/bytecode.c:679
#17 0x000000000055b584 in funcall_lambda (fun=8346364, nargs=0,
arg_vector=0x7fbfffefa0)
    at /home/scl/emacs/emacs/src/eval.c:3184
#18 0x000000000055b86a in apply_lambda (fun=8346364, args=9595281, eval_flag=1)
    at /home/scl/emacs/emacs/src/eval.c:3108
#19 0x000000000055ae64 in Feval (form=8346360) at
/home/scl/emacs/emacs/src/eval.c:2388
#20 0x0000000000559b0c in internal_condition_case (bfun=0x4f0c90
<top_level_2>, handlers=9690977,
    hfun=0x4f6b80 <cmd_error>) at /home/scl/emacs/emacs/src/eval.c:1481
#21 0x00000000004f0cca in top_level_1 () at
/home/scl/emacs/emacs/src/keyboard.c:1346
#22 0x0000000000559770 in internal_catch (tag=4294967295,
func=0x4f0ca0 <top_level_1>, arg=9595281)
    at /home/scl/emacs/emacs/src/eval.c:1222
---Type <return> to continue, or q <return> to quit---