Backtrace stopped: previous frame identical to this frame (corrupt stack?)

I am using arm cortex M3 (LPC1833 controller), I created manually stack overflow in code and trying to debug through GDB I am facing below issue of the corrupted stack in GDB tool on windows platform. My output of GDB is as shown below in that instead of the function name its showing "?? ()". Could anyone help to figure out why it's not showing function name?

My output:-

C:\HardFault_LLC>arm-none-eabi-gdb OpImage_BC.axf -ex "set target-charset ASCII" -ex "target remote | CrashDebug --elf OpImage_BC.axf --dump MainCrashDump.txt"
GNU gdb (GNU Tools for ARM Embedded Processors) 7.3.1.20121016-cvs
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <gnu.org/.../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 "--host=i586-mingw32 --target=arm-none-eabi".
For bug reporting instructions, please see:
<www.gnu.org/.../>...
Reading symbols from C:\HardFault_LLC/OpImage_BC.axf...done.
Remote debugging using | CrashDebug --elf OpImage_BC.axf --dump MainCrashDump.txt
0x08070604 in ?? ()
(gdb) BT
#0 0x08070604 in ?? ()
#1 0x1b00f65a in i2cRead () at ../src/AP/system/common_cli.c:176
#2 0x00010f14 in ?? ()
#3 0x00010f14 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)

(gdb) info registers

r0 0x0  0
r1 0x0  0
r2 0x80063  524387
r3 0x4030201  67305985
r4 0x10080c1a  268962842
r5 0x10080052  268959826
r6 0x1b03e938  453241144
r7 0x10080c1a  268962842
r8 0xa5a5a5a5  -1515870811
r9 0xa5a5a5a5  -1515870811
r10 0xa5a5a5a5  -1515870811
r11 0xa5a5a5a5  -1515870811
r12 0x10080052  268959826
sp 0x100058f8  0x100058f8
lr 0x1b00f65b  453047899
pc 0x8070604  0x8070604
xpsr 0x61000000  1627389952
msp 0x10089fc8  269000648
psp 0x100058d8  268458200
(gdb)

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