Win32 error 109

[Wm. David Bentlage]

Greetings,

I'm running the following version of Cygwin on Win 7 Enterprise.

$ uname -a
CYGWIN_NT-6.1-WOW64 machine 1.7.28(0.271/5/3) 2014-02-09 21:06 i686 Cygwin

I occasionally get errors like the following and don't understand
what's going on.  Is there a way to correct this?

user@machine /w/dir
$ tail -n1 safe*i | grep -i root | wc
      6      24     534
     70 [main] bash 7012 sig_send: error sending signal -34 to pid
7012, pipe handle 0x98, Win32 error 0

user@machine /w/dir
$ tail -n1 safe*i | grep -i root | wc
      4      16     356
68632242 [main] bash 7012 sig_send: error sending signal -34 to pid
7012, pipe handle 0x98, Win32 error 0
68633021 [waitproc] bash 7012 sig_send: error sending signal 20 to pid
7012, pipe handle 0x98, Win32 error 109

user@machine /w/dir
$ tail -n1 safe*i | grep -i root | wc
      4      16     356
79131463 [main] bash 7012 sig_send: error sending signal -34 to pid
7012, pipe handle 0x98, Win32 error 0
79131699 [waitproc] bash 7012 sig_send: error sending signal 20 to pid
7012, pipe handle 0x98, Win32 error 109

# The following was performed on different files and drive. 1 out of 20 failed.

$ for item in {1..20}
> do
> tail -n1 safe*i | grep -i root | wc
> done
      0       0       0
      0       0       0
      0 [waitproc] bash 6756 sig_send: error sending signal 20 to pid
6756, pipe handle 0x98, Win32 error 109

Thanks,
David

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