cygwin error in windows 8.1 during making hex file in nios command shell for qts 14.0

Hi all,

My OS:windows 8.1

Quartus version is :14.0

I am planning to generate hex file using nios command shell(converting elf and sof files to flash and then flash to hex)

while i am running the bellow script

sof2flash --epcs --input=HW.sof --output=hw.flash --quiet

elf2flash --epcs --after=hw.flash --input=SW.elf --output=sw.flash

cp hw.flash hw_sw.flash

cat sw.flash >> hw_sw.flash

nios2-elf-objcopy --input-target srec --output-target ihex hw_sw.flash My_Pjt.hex

command prompt showing this issue.

/********************************************************************************************************/

2 [main] uname 3172 find_fast_cwd: WARNING: Couldn't compute FAST_CWD pointer. Please report this problem to

the public mailing list cygwin@cygwin.com

3 [main] uname 4472 find_fast_cwd: WARNING: Couldn't compute FAST_CWD pointer. Please report this problem to

the public mailing list cygwin@cygwin.com

/********************************************************************************************************/

Due to this my pof is not loading into EPCS

please suggest.