Re: broken pipe from func-output by changing network settings?

2017-10-17 Thread L A Walsh
� wrote: On 2017-10-17 at 14:28 -0400, Daniel Mills wrote: Cygwin implements mkfifo, which bash will use in place of /dev/fd The provided error messages suggest that bash is trying to use /dev/fd: R:bin/iotest: line 112: /dev/fd/62: No such file or directory cat: write er

Re: broken pipe from func-output by changing network settings?

2017-10-17 Thread Ángel
On 2017-10-17 at 14:28 -0400, Daniel Mills wrote: > > Cygwin implements mkfifo, which bash will use in place of /dev/fd The provided error messages suggest that bash is trying to use /dev/fd: > R:bin/iotest: line 112: /dev/fd/62: No such file or directory > cat: write error: Broken pipe

Re: broken pipe from func-output by changing network settings?

2017-10-17 Thread Daniel Mills
On Tue, Oct 17, 2017 at 1:37 PM, Ángel wrote: > bash converts < <( dd_need_io "$if" "$of" ...) into a read > from /dev/fd/62 in order to make readarray read file descriptor 62. > > Given that this the host OS doesn't provide them, the first thing I > would verify would be: is cygwin, as setup

Re: broken pipe from func-output by changing network settings?

2017-10-17 Thread Ángel
On 2017-10-17 at 03:28 -0700, L A Walsh wrote: > I run the test using cygwin, and use /dev/zero and /dev/null -- > creating those files in my home directory on each platform. > > That way I can copy from /dev/zero on one platform to /dev/null on the other > or vice-versa to get timings of file tra

broken pipe from func-output by changing network settings?

2017-10-17 Thread L A Walsh
I was trying a different network setting in ethtool regarding the receive wait time before it processes an incoming data packet. It was set to 1 microsecond (ethtool -c shows it as rx-usecs: 1), and I wanted to try 0 microseconds to see what effect it had on receiving a file. Presumably one migh