eclipse err, cross os debugging

Error in final launch sequence
   Failed to execute MI command:

   -environment-cd Z:/qemu_test

Error message from debugger back end:
Z:/qemu_test: Permission denied.
Z:/qemu_test: Permission denied.


254,513 2-gdb-version
254,521 ~"GNU gdb (GNU Tools for ARM Embedded Processors) 7.10.1.20160616-cvs\n"
254,521 ~"Copyright (C) 2015 Free Software Foundation, Inc.\n"
254,521 ~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is fre\
e software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitt\
ed by law.  Type \"show copying\"\nand \"show warranty\" for details.\n"
254,521 ~"This GDB was configured as \"--host=i686-w64-mingw32 --target=arm-none-eabi\".\nType \"sho\
w configuration\" for configuration details."
254,521 ~"\nFor bug reporting instructions, please see:\n"
254,521 ~"<http://www.gnu.org/software/gdb/bugs/>.\n"
254,521 ~"Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/soft\
ware/gdb/documentation/>.\n"
254,521 ~"For help, type \"help\".\n"
254,522 ~"Type \"apropos word\" to search for commands related to \"word\".\n"
254,522 2^done
254,522 (gdb)
254,522 3-environment-cd Z:/qemu_test
254,533 3^error,msg="Z:/qemu_test: Permission denied."
254,533 (gdb)
254,534 4-gdb-exit
254,543 4^exit